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Automigration of VMs from other hypervisors
by KK CHN 11 Aug '21

11 Aug '21

Hi list, I am in the process of migrating 150+ VMs running on Rhevm4.1 to KVM based OpenStack installation ( Ussuri with KVm and glance as image storage.) What I am doing now, manually shutdown each VM through RHVM GUI and export to export domain and scp those image files of each VM to our OpenStack controller node and uploading to glance and creating each VM manually. query 1. Is there a better way to automate this migration by any utility or scripts ? Any one done this kind of automatic migration before what was your approach? Or whats the better approach instead of doing manual migration ? Or only manually I have to repeat the process for all 150+ Virtual machines? ( guest VMs are CentOS7 and Redhat Linux 7 with LVM data partitions attached) Kindly share your thoughts.. Query 2. other than this 150+ VMs Redhat Linux 7 and Centos VMs on Rhevm 4.1, I have to migrate 50+ VMs which hosted on hyperV. What the method / approach for exporting from HyperV and importing to OpenStack Ussuri version with glance with KVM hpervisor ? ( This is the ffirst time I am going to use hyperV, no much idea about export from hyperv and Import to KVM) Will the images exported form HyperV(vhdx image disks with single disk and multiple disk(max 3 disk) VMs) can be directly imported to KVM ? does KVM support this or need to modify vhdx disk images to any other format ? What is the best approach should be in case of HyperV hosted VMs( Windows 2012 guest machines and Linux guest machines ) to be imported to KVM based OpenStack(Ussuri version with glance as image storage ). Thanks in advance Kris

1 0

Ubuntu 20.04 cloud-init
by Pavel Šipoš 11 Aug '21

11 Aug '21

Hi. We are using oVirt version 4.3.10.4-1.el7 I am trying to use clod-init function in ovirt to set password and add ssh keys for VM on first boot. It is working perfectly on Centos7, Centos8, but not with Ubuntu 20.04.02 . On VM Cloud-init package and quemu-guest-agent are installed, services are running - I checked that and then used Run once to test further but no luck. It looks like its not even trying to set anything. I am open to suggestions how to debug this. I see no errors if I look into /var/log/cloud-init logs on VM. Did anyone else had similar problem? Can anyone confirm that cloud-init function in ovirt should work with ubuntu 20.04? Packages used: cloud-init 21.2-3-g899bfaa9-0ubuntu2~20.04.1 qemu-guest-agent 1:4.2-3ubuntu6.17 I made ovirt template myself using packer (qemu) that also uses cloud-init for bootstrapping. Thank you in advance! Pavel -- -- Pavel Sipos, Arnes <pavel.sipos(a)arnes.si> ARNES, p.p. 7, SI-1001 Ljubljana, Slovenia T: +386 1 479 88 00 W: www.arnes.si, aai.arnes.si

2 2

low iscsi storage space
by Leonardo Costa 10 Aug '21

10 Aug '21

Hello. I'm having a problem that I can't solve, I have 20Tb of space on Ovirt but on my DELL SCV 3000 storage, only 5Tb free on the volume. It seems to me that the deleted machines are not removing the disks in the storage iscsi. Could anyone help?

2 1

Major network issue with 4.4.7
by Andrea Chierici 10 Aug '21

10 Aug '21

Dear all, I've been using ovirt for at least 6 years and only lately I've stepped into a weird problem that I hope someone will be able to give help. My hardware is: - blade lenovo for hosts, with dual switch - dell equallogic for iscsi storage, directly connected to the blade switches - The two host network cards are configured with bonding and all the vlans are accessed from it (mtu 9000) - all the hosts and ovirt engine have firewalld service disabled) My engine is hosted on a separate vmware vm (I will evaluate the self hosted engine later...). I want to stress the fact that for years this setup worked smoothly without any significant issue (and all the minor updates were completed flawlessly). A few weeks ago I started the update from the rock solid 4.3 to the latest 4.4.7. I began with the manager, following the docs, installing a new centos8 vm and importing the backup: everything went smootly and I was able to get access to the manager without any problem, all the machines still there :) I then began updating the hosts, from centos7 to centos8 stream, one by one. Immediately I noticed network issues, with the VMs hosted on the first updated host. Migrating VMs from centos8 host to other centos8 quite often fails, but the main issue is this: *if I start one of the VMs on the centos8 host, they have no network connectivity. If I migrate them to a centos7 hosts the network starts to work, and if I migrate the VMs back to the centos8 host, the network keeps working.* I am puzzled and can't understand what's going on. Generally speaking all the centos8 hosts (I have 6 in my cluster, and now 3 are centos8 while the rest is still centos7) seem to be very unstable, meaning that the VMs they host are quite often showing network issues and temporary glitches. Can someone give a hint on how to solve this weird issue? Thanks, Andrea -- Andrea Chierici - INFN-CNAF Viale Berti Pichat 6/2, 40127 BOLOGNA Office Tel: +39 051 2095463 SkypeID ataruz --

3 4

live merge of snapshots failed
by g.vasilopoulos＠uoc.gr 10 Aug '21

10 Aug '21

Hello I have a situation with a vm in which I cannot delete the snapshot. The whole thing is quite strange because I can delete the snapshot when I create and delete it from the web interface but when I do it with a python script through the API it failes. The script does create snapshot-> download snapshot-> delete snapshot and I used the examples from ovirt python sdk on githab to create it ,in general it works prety well. But on a specific machine (so far) it cannot delete the live snapshot Ovirt is 4.3.10 and the guest is a windows 10 pc. Windows 10 guest has 2 disks attached both on different fc domains one on an ssd emc and the other on an hdd emc. Both disks are prealocated. I cannot figure out what the problem is so far the related engine log: 2021-08-03 15:51:00,385+03 INFO [org.ovirt.engine.core.bll.snapshots.RemoveSnapshotSingleDiskLiveCommandCallback] (EE-ManagedThreadFactory-engineScheduled-Thread-61) [3bf9345d-fab2-490f-ba44-6aa014bbb743] Comma nd 'RemoveSnapshotSingleDiskLive' (id: '80dc4609-b91f-4e93-bc12-7b2083933e5a') waiting on child command id: '74c83880-581b-4774-ae51-8c4af0c92c53' type:'Merge' to complete 2021-08-03 15:51:00,385+03 INFO [org.ovirt.engine.core.bll.MergeCommandCallback] (EE-ManagedThreadFactory-engineScheduled-Thread-61) [3bf9345d-fab2-490f-ba44-6aa014bbb743] Waiting on merge command to complete ( jobId = 62bf8c83-cd78-42a5-b57d-d67ddfdee8ee) 2021-08-03 15:51:00,387+03 INFO [org.ovirt.engine.core.bll.snapshots.RemoveSnapshotSingleDiskLiveCommandCallback] (EE-ManagedThreadFactory-engineScheduled-Thread-61) [3bf9345d-fab2-490f-ba44-6aa014bbb743] Command 'RemoveSnapshotSingleDiskLive' (id: '87bc90c7-2aa5-4a1b-b58c-54296518658a') waiting on child command id: 'ec806ac6-929f-42d9-a86e-98d6a39a4718' type:'Merge' to complete 2021-08-03 15:51:01,388+03 INFO [org.ovirt.engine.core.bll.MergeCommandCallback] (EE-ManagedThreadFactory-engineScheduled-Thread-30) [3bf9345d-fab2-490f-ba44-6aa014bbb743] Waiting on merge command to complete (jobId = c57fb3e5-da20-4838-8db3-31655ba76c1f) 2021-08-03 15:51:07,491+03 INFO [org.ovirt.engine.core.bll.ConcurrentChildCommandsExecutionCallback] (EE-ManagedThreadFactory-engineScheduled-Thread-38) [b929fd4a-8ce7-408f-927d-ab0169879c4e] Command 'MoveImageGroup' (id: '1de1b800-873f-405f-805b-f44397740909') waiting on child command id: 'd1136344-2888-4d63-8fe1-b506426bc8aa' type:'CopyImageGroupWithData' to complete 2021-08-03 15:51:11,513+03 INFO [org.ovirt.engine.core.bll.ConcurrentChildCommandsExecutionCallback] (EE-ManagedThreadFactory-engineScheduled-Thread-41) [3bf9345d-fab2-490f-ba44-6aa014bbb743] Command 'RemoveSnapshot' (id: '04e9d61e-28a2-4ab0-9bb7-5c805ee871e9') waiting on child command id: '87bc90c7-2aa5-4a1b-b58c-54296518658a' type:'RemoveSnapshotSingleDiskLive' to complete 2021-08-03 15:51:12,522+03 INFO [org.ovirt.engine.core.bll.snapshots.RemoveSnapshotSingleDiskLiveCommandCallback] (EE-ManagedThreadFactory-engineScheduled-Thread-76) [3bf9345d-fab2-490f-ba44-6aa014bbb743] Command 'RemoveSnapshotSingleDiskLive' (id: '80dc4609-b91f-4e93-bc12-7b2083933e5a') waiting on child command id: '74c83880-581b-4774-ae51-8c4af0c92c53' type:'Merge' to complete 2021-08-03 15:51:12,523+03 INFO [org.ovirt.engine.core.bll.MergeCommandCallback] (EE-ManagedThreadFactory-engineScheduled-Thread-76) [3bf9345d-fab2-490f-ba44-6aa014bbb743] Waiting on merge command to complete (jobId = 62bf8c83-cd78-42a5-b57d-d67ddfdee8ee) 2021-08-03 15:51:12,527+03 INFO [org.ovirt.engine.core.bll.snapshots.RemoveSnapshotSingleDiskLiveCommandCallback] (EE-ManagedThreadFactory-engineScheduled-Thread-76) [3bf9345d-fab2-490f-ba44-6aa014bbb743] Command 'RemoveSnapshotSingleDiskLive' (id: '87bc90c7-2aa5-4a1b-b58c-54296518658a') waiting on child command id: 'ec806ac6-929f-42d9-a86e-98d6a39a4718' type:'Merge' to complete 2021-08-03 15:51:13,528+03 INFO [org.ovirt.engine.core.bll.MergeCommandCallback] (EE-ManagedThreadFactory-engineScheduled-Thread-37) [3bf9345d-fab2-490f-ba44-6aa014bbb743] Waiting on merge command to complete (jobId = c57fb3e5-da20-4838-8db3-31655ba76c1f) 2021-08-03 15:51:21,635+03 INFO [org.ovirt.engine.core.bll.ConcurrentChildCommandsExecutionCallback] (EE-ManagedThreadFactory-engineScheduled-Thread-58) [3bf9345d-fab2-490f-ba44-6aa014bbb743] Command 'RemoveSnapshot' (id: '04e9d61e-28a2-4ab0-9bb7-5c805ee871e9') waiting on child command id: '87bc90c7-2aa5-4a1b-b58c-54296518658a' type:'RemoveSnapshotSingleDiskLive' to complete 2021-08-03 15:51:22,655+03 INFO [org.ovirt.engine.core.bll.snapshots.RemoveSnapshotSingleDiskLiveCommandCallback] (EE-ManagedThreadFactory-engineScheduled-Thread-31) [3bf9345d-fab2-490f-ba44-6aa014bbb743] Command 'RemoveSnapshotSingleDiskLive' (id: '80dc4609-b91f-4e93-bc12-7b2083933e5a') waiting on child command id: '74c83880-581b-4774-ae51-8c4af0c92c53' type:'Merge' to complete 2021-08-03 15:51:22,661+03 INFO [org.ovirt.engine.core.bll.MergeCommandCallback] (EE-ManagedThreadFactory-engineScheduled-Thread-31) [3bf9345d-fab2-490f-ba44-6aa014bbb743] Merge command (jobId = 62bf8c83-cd78-42a5-b57d-d67ddfdee8ee) has completed for images '7611ebcf-5323-45ca-b16c-9302d0bdedc6'..'17618ba1-4ab8-49eb-a991-fc3d602ced14' 2021-08-03 15:51:22,664+03 INFO [org.ovirt.engine.core.bll.snapshots.RemoveSnapshotSingleDiskLiveCommandCallback] (EE-ManagedThreadFactory-engineScheduled-Thread-31) [3bf9345d-fab2-490f-ba44-6aa014bbb743] Command 'RemoveSnapshotSingleDiskLive' (id: '87bc90c7-2aa5-4a1b-b58c-54296518658a') waiting on child command id: 'ec806ac6-929f-42d9-a86e-98d6a39a4718' type:'Merge' to complete 2021-08-03 15:51:23,664+03 INFO [org.ovirt.engine.core.bll.MergeCommandCallback] (EE-ManagedThreadFactory-engineScheduled-Thread-41) [3bf9345d-fab2-490f-ba44-6aa014bbb743] Waiting on merge command to complete (jobId = c57fb3e5-da20-4838-8db3-31655ba76c1f) 2021-08-03 15:51:24,672+03 INFO [org.ovirt.engine.core.bll.snapshots.RemoveSnapshotSingleDiskLiveCommand] (EE-ManagedThreadFactory-engineScheduled-Thread-6) [3bf9345d-fab2-490f-ba44-6aa014bbb743] Executing Live Merge command step 'MERGE_STATUS' 2021-08-03 15:51:24,699+03 INFO [org.ovirt.engine.core.bll.MergeStatusCommand] (EE-ManagedThreadFactory-commandCoordinator-Thread-1) [3bf9345d-fab2-490f-ba44-6aa014bbb743] Running command: MergeStatusCommand internal: true. Entities affected : ID: 96000ec9-e181-44eb-893f-e0a36e3a6775 Type: Storage 8-03 15:51:24,749+03 INFO [org.ovirt.engine.core.bll.MergeStatusCommand] (EE-ManagedThreadFactory-commandCoordinator-Thread-1) [3bf9345d-fab2-490f-ba44-6aa014bbb743] Successfully removed volume 17618ba1-4 ab8-49eb-a991-fc3d602ced14 from the chain 2021-08-03 15:51:24,749+03 INFO [org.ovirt.engine.core.bll.MergeStatusCommand] (EE-ManagedThreadFactory-commandCoordinator-Thread-1) [3bf9345d-fab2-490f-ba44-6aa014bbb743] Volume merge type 'COMMIT' 2021-08-03 15:51:25,691+03 INFO [org.ovirt.engine.core.bll.SerialChildCommandsExecutionCallback] (EE-ManagedThreadFactory-engineScheduled-Thread-5) [b929fd4a-8ce7-408f-927d-ab0169879c4e] Command 'CopyImageGroup WithData' (id: 'd1136344-2888-4d63-8fe1-b506426bc8aa') waiting on child command id: 'b40aeec9-b7cf-4ee5-9683-54d98f4307d5' type:'CopyImageGroupVolumesData' to complete 2021-08-03 15:51:26,692+03 INFO [org.ovirt.engine.core.bll.SerialChildCommandsExecutionCallback] (EE-ManagedThreadFactory-engineScheduled-Thread-35) [b929fd4a-8ce7-408f-927d-ab0169879c4e] Command 'CopyImageGrou pVolumesData' (id: 'b40aeec9-b7cf-4ee5-9683-54d98f4307d5') waiting on child command id: 'f46d65cb-32d9-4269-982e-6e19331b8a27' type:'CopyData' to complete 2021-08-03 15:51:26,711+03 INFO [org.ovirt.engine.core.bll.snapshots.RemoveSnapshotSingleDiskLiveCommand] (EE-ManagedThreadFactory-engineScheduled-Thread-35) [3bf9345d-fab2-490f-ba44-6aa014bbb743] Executing Liv e Merge command step 'DESTROY_IMAGE' 2021-08-03 15:51:26,726+03 INFO [org.ovirt.engine.core.bll.storage.disk.image.DestroyImageCommand] (EE-ManagedThreadFactory-commandCoordinator-Thread-10) [3bf9345d-fab2-490f-ba44-6aa014bbb743] Running command: DestroyImageCommand internal: true. Entities affected : ID: 96000ec9-e181-44eb-893f-e0a36e3a6775 Type: Storage 2021-08-03 15:51:26,747+03 INFO [org.ovirt.engine.core.vdsbroker.irsbroker.DestroyImageVDSCommand] (EE-ManagedThreadFactory-commandCoordinator-Thread-10) [3bf9345d-fab2-490f-ba44-6aa014bbb743] START, DestroyIma geVDSCommand( DestroyImageVDSCommandParameters:{storagePoolId='5da76866-7b7d-11eb-9913-00163e1f2643', ignoreFailoverLimit='false', storageDomainId='96000ec9-e181-44eb-893f-e0a36e3a6775', imageGroupId='205a30a3-f c06-4ceb-8ef2-018f16d4ccbb', imageId='00000000-0000-0000-0000-000000000000', imageList='[17618ba1-4ab8-49eb-a991-fc3d602ced14]', postZero='false', force='false'}), log id: 307a3fb1 2021-08-03 15:51:26,834+03 INFO [org.ovirt.engine.core.vdsbroker.irsbroker.DestroyImageVDSCommand] (EE-ManagedThreadFactory-commandCoordinator-Thread-10) [3bf9345d-fab2-490f-ba44-6aa014bbb743] FINISH, DestroyIm ageVDSCommand, return: , log id: 307a3fb1 2021-08-03 15:51:26,846+03 INFO [org.ovirt.engine.core.bll.tasks.CommandAsyncTask] (EE-ManagedThreadFactory-commandCoordinator-Thread-10) [3bf9345d-fab2-490f-ba44-6aa014bbb743] CommandAsyncTask::Adding CommandM ultiAsyncTasks object for command 'baaa5254-261c-452a-84b4-0a8b397cdb62' 2021-08-03 15:51:26,847+03 INFO [org.ovirt.engine.core.bll.CommandMultiAsyncTasks] (EE-ManagedThreadFactory-commandCoordinator-Thread-10) [3bf9345d-fab2-490f-ba44-6aa014bbb743] CommandMultiAsyncTasks::attachTas k: Attaching task 'ae2e80a4-d224-4fc3-a84b-859042811525' to command 'baaa5254-261c-452a-84b4-0a8b397cdb62'. 2021-08-03 15:51:26,857+03 INFO [org.ovirt.engine.core.bll.tasks.AsyncTaskManager] (EE-ManagedThreadFactory-commandCoordinator-Thread-10) [3bf9345d-fab2-490f-ba44-6aa014bbb743] Adding task 'ae2e80a4-d224-4fc3-a 84b-859042811525' (Parent Command 'DestroyImage', Parameters Type 'org.ovirt.engine.core.common.asynctasks.AsyncTaskParameters'), polling hasn't started yet.. 2021-08-03 15:51:26,858+03 INFO [org.ovirt.engine.core.bll.storage.disk.image.DestroyImageCommand] (EE-ManagedThreadFactory-commandCoordinator-Thread-10) [3bf9345d-fab2-490f-ba44-6aa014bbb743] Successfully star ted task to remove orphaned volumes 2021-08-03 15:51:26,863+03 INFO [org.ovirt.engine.core.bll.tasks.SPMAsyncTask] (EE-ManagedThreadFactory-commandCoordinator-Thread-10) [3bf9345d-fab2-490f-ba44-6aa014bbb743] BaseAsyncTask::startPollingTask: Star ting to poll task 'ae2e80a4-d224-4fc3-a84b-859042811525'. 2021-08-03 15:51:26,863+03 INFO [org.ovirt.engine.core.bll.tasks.SPMAsyncTask] (EE-ManagedThreadFactory-commandCoordinator-Thread-10) [3bf9345d-fab2-490f-ba44-6aa014bbb743] BaseAsyncTask::startPollingTask: Star ting to poll task 'ae2e80a4-d224-4fc3-a84b-859042811525'. 2021-08-03 15:51:28,799+03 INFO [org.ovirt.engine.core.bll.storage.disk.image.DestroyImageCommandCallback] (EE-ManagedThreadFactory-engineScheduled-Thread-88) [3bf9345d-fab2-490f-ba44-6aa014bbb743] Waiting on destroy image command to complete the task (taskId = ae2e80a4-d224-4fc3-a84b-859042811525) 2021-08-03 15:51:30,805+03 INFO [org.ovirt.engine.core.bll.snapshots.RemoveSnapshotSingleDiskLiveCommandCallback] (EE-ManagedThreadFactory-engineScheduled-Thread-48) [3bf9345d-fab2-490f-ba44-6aa014bbb743] Command 'RemoveSnapshotSingleDiskLive' (id: '80dc4609-b91f-4e93-bc12-7b2083933e5a') waiting on child command id: 'baaa5254-261c-452a-84b4-0a8b397cdb62' type:'DestroyImage' to complete 2021-08-03 15:51:31,824+03 INFO [org.ovirt.engine.core.bll.ConcurrentChildCommandsExecutionCallback] (EE-ManagedThreadFactory-engineScheduled-Thread-97) [3bf9345d-fab2-490f-ba44-6aa014bbb743] Command 'RemoveSnapshot' (id: '04e9d61e-28a2-4ab0-9bb7-5c805ee871e9') waiting on child command id: '87bc90c7-2aa5-4a1b-b58c-54296518658a' type:'RemoveSnapshotSingleDiskLive' to complete 2021-08-03 15:51:32,825+03 INFO [org.ovirt.engine.core.bll.storage.disk.image.DestroyImageCommandCallback] (EE-ManagedThreadFactory-engineScheduled-Thread-33) [3bf9345d-fab2-490f-ba44-6aa014bbb743] Waiting on destroy image command to complete the task (taskId = ae2e80a4-d224-4fc3-a84b-859042811525) 2021-08-03 15:51:32,831+03 INFO [org.ovirt.engine.core.bll.snapshots.RemoveSnapshotSingleDiskLiveCommandCallback] (EE-ManagedThreadFactory-engineScheduled-Thread-33) [3bf9345d-fab2-490f-ba44-6aa014bbb743] Command 'RemoveSnapshotSingleDiskLive' (id: '87bc90c7-2aa5-4a1b-b58c-54296518658a') waiting on child command id: 'ec806ac6-929f-42d9-a86e-98d6a39a4718' type:'Merge' to complete 2021-08-03 15:51:33,594+03 INFO [org.ovirt.engine.core.bll.tasks.CommandAsyncTask] (EE-ManagedThreadFactory-engine-Thread-1481337) [3bf9345d-fab2-490f-ba44-6aa014bbb743] CommandAsyncTask::HandleEndActionResult [within thread]: endAction for action type 'DestroyImage' completed, handling the result. 2021-08-03 15:51:33,594+03 INFO [org.ovirt.engine.core.bll.tasks.CommandAsyncTask] (EE-ManagedThreadFactory-engine-Thread-1481337) [3bf9345d-fab2-490f-ba44-6aa014bbb743] CommandAsyncTask::HandleEndActionResult [within thread]: endAction for action type 'DestroyImage' succeeded, clearing tasks. 2021-08-03 15:51:33,594+03 INFO [org.ovirt.engine.core.bll.tasks.SPMAsyncTask] (EE-ManagedThreadFactory-engine-Thread-1481337) [3bf9345d-fab2-490f-ba44-6aa014bbb743] SPMAsyncTask::ClearAsyncTask: Attempting to clear task 'ae2e80a4-d224-4fc3-a84b-859042811525' 2021-08-03 15:51:33,595+03 INFO [org.ovirt.engine.core.vdsbroker.irsbroker.SPMClearTaskVDSCommand] (EE-ManagedThreadFactory-engine-Thread-1481337) [3bf9345d-fab2-490f-ba44-6aa014bbb743] START, SPMClearTaskVDSCommand( SPMTaskGuidBaseVDSCommandParameters:{storagePoolId='5da76866-7b7d-11eb-9913-00163e1f2643', ignoreFailoverLimit='false', taskId='ae2e80a4-d224-4fc3-a84b-859042811525'}), log id: 6225ae22 2021-08-03 15:51:33,596+03 INFO [org.ovirt.engine.core.vdsbroker.vdsbroker.HSMClearTaskVDSCommand] (EE-ManagedThreadFactory-engine-Thread-1481337) [3bf9345d-fab2-490f-ba44-6aa014bbb743] START, HSMClearTaskVDSCommand(HostName = ovirt2-7.vmmgmt-int.uoc.gr, HSMTaskGuidBaseVDSCommandParameters:{hostId='10599b78-5f45-48d2-bfe0-028f3dae69eb', taskId='ae2e80a4-d224-4fc3-a84b-859042811525'}), log id: 45b18a8a 2021-08-03 15:51:33,611+03 INFO [org.ovirt.engine.core.vdsbroker.vdsbroker.HSMClearTaskVDSCommand] (EE-ManagedThreadFactory-engine-Thread-1481337) [3bf9345d-fab2-490f-ba44-6aa014bbb743] FINISH, HSMClearTaskVDSCommand, return: , log id: 45b18a8a 2021-08-03 15:51:33,611+03 INFO [org.ovirt.engine.core.vdsbroker.irsbroker.SPMClearTaskVDSCommand] (EE-ManagedThreadFactory-engine-Thread-1481337) [3bf9345d-fab2-490f-ba44-6aa014bbb743] FINISH, SPMClearTaskVDSCommand, return: , log id: 6225ae22 2021-08-03 15:51:33,614+03 INFO [org.ovirt.engine.core.bll.tasks.SPMAsyncTask] (EE-ManagedThreadFactory-engine-Thread-1481337) [3bf9345d-fab2-490f-ba44-6aa014bbb743] BaseAsyncTask::removeTaskFromDB: Removed task 'ae2e80a4-d224-4fc3-a84b-859042811525' from DataBase 2021-08-03 15:51:33,614+03 INFO [org.ovirt.engine.core.bll.tasks.CommandAsyncTask] (EE-ManagedThreadFactory-engine-Thread-1481337) [3bf9345d-fab2-490f-ba44-6aa014bbb743] CommandAsyncTask::HandleEndActionResult [within thread]: Removing CommandMultiAsyncTasks object for entity 'baaa5254-261c-452a-84b4-0a8b397cdb62' 2021-08-03 15:51:33,839+03 INFO [org.ovirt.engine.core.bll.MergeCommandCallback] (EE-ManagedThreadFactory-engineScheduled-Thread-95) [3bf9345d-fab2-490f-ba44-6aa014bbb743] Merge command (jobId = c57fb3e5-da20-4838-8db3-31655ba76c1f) has completed for images '84c005da-cbec-4ace-8619-5a8e2ae5ea75'..'b43b7c33-5b53-4332-a2e0-f950debb919b' 2021-08-03 15:51:34,847+03 INFO [org.ovirt.engine.core.bll.snapshots.RemoveSnapshotSingleDiskLiveCommand] (EE-ManagedThreadFactory-engineScheduled-Thread-31) [3bf9345d-fab2-490f-ba44-6aa014bbb743] Executing Live Merge command step 'MERGE_STATUS' 2021-08-03 15:51:34,917+03 ERROR [org.ovirt.engine.core.bll.MergeStatusCommand] (EE-ManagedThreadFactory-commandCoordinator-Thread-2) [3bf9345d-fab2-490f-ba44-6aa014bbb743] Failed to live merge. Top volume b43b7c33-5b53-4332-a2e0-f950debb919b is still in qemu chain [b43b7c33-5b53-4332-a2e0-f950debb919b, 84c005da-cbec-4ace-8619-5a8e2ae5ea75] 2021-08-03 15:51:35,866+03 INFO [org.ovirt.engine.core.bll.SerialChildCommandsExecutionCallback] (EE-ManagedThreadFactory-engineScheduled-Thread-41) [b929fd4a-8ce7-408f-927d-ab0169879c4e] Command 'CopyImageGroupWithData' (id: 'd1136344-2888-4d63-8fe1-b506426bc8aa') waiting on child command id: 'b40aeec9-b7cf-4ee5-9683-54d98f4307d5' type:'CopyImageGroupVolumesData' to complete 2021-08-03 15:51:36,867+03 INFO [org.ovirt.engine.core.bll.SerialChildCommandsExecutionCallback] (EE-ManagedThreadFactory-engineScheduled-Thread-50) [b929fd4a-8ce7-408f-927d-ab0169879c4e] Command 'CopyImageGroupVolumesData' (id: 'b40aeec9-b7cf-4ee5-9683-54d98f4307d5') waiting on child command id: 'f46d65cb-32d9-4269-982e-6e19331b8a27' type:'CopyData' to complete 2021-08-03 15:51:36,873+03 ERROR [org.ovirt.engine.core.bll.snapshots.RemoveSnapshotSingleDiskLiveCommand] (EE-ManagedThreadFactory-engineScheduled-Thread-50) [3bf9345d-fab2-490f-ba44-6aa014bbb743] Command id: '87bc90c7-2aa5-4a1b-b58c-54296518658a failed child command status for step 'MERGE_STATUS' 2021-08-03 15:51:36,873+03 INFO [org.ovirt.engine.core.bll.snapshots.RemoveSnapshotSingleDiskLiveCommandCallback] (EE-ManagedThreadFactory-engineScheduled-Thread-50) [3bf9345d-fab2-490f-ba44-6aa014bbb743] Command 'RemoveSnapshotSingleDiskLive' id: '87bc90c7-2aa5-4a1b-b58c-54296518658a' child commands '[a7de75fe-e94c-4795-9310-2c8fc3d6d3fc, ec806ac6-929f-42d9-a86e-98d6a39a4718, 6443529c-d753-48f6-8a9e-af1f9f09dfb5]' executions were completed, status 'FAILED' 2021-08-03 15:51:37,982+03 ERROR [org.ovirt.engine.core.bll.snapshots.RemoveSnapshotSingleDiskLiveCommand] (EE-ManagedThreadFactory-engineScheduled-Thread-22) [3bf9345d-fab2-490f-ba44-6aa014bbb743] Merging of snapshot '1cd4985b-b0c0-40d6-bbde-54451e43bef6' images '84c005da-cbec-4ace-8619-5a8e2ae5ea75'..'b43b7c33-5b53-4332-a2e0-f950debb919b' failed. Images have been marked illegal and can no longer be previewed or reverted to. Please retry Live Merge on the snapshot to complete the operation. 2021-08-03 15:51:37,985+03 ERROR [org.ovirt.engine.core.bll.snapshots.RemoveSnapshotSingleDiskLiveCommand] (EE-ManagedThreadFactory-engineScheduled-Thread-22) [3bf9345d-fab2-490f-ba44-6aa014bbb743] Ending command 'org.ovirt.engine.core.bll.snapshots.RemoveSnapshotSingleDiskLiveCommand' with failure. 2021-08-03 15:51:39,014+03 INFO [org.ovirt.engine.core.bll.snapshots.RemoveSnapshotSingleDiskLiveCommand] (EE-ManagedThreadFactory-engineScheduled-Thread-23) [3bf9345d-fab2-490f-ba44-6aa014bbb743] Executing Live Merge command step 'REDUCE_IMAGE' 2021-08-03 15:51:39,029+03 INFO [org.ovirt.engine.core.bll.snapshots.RemoveSnapshotSingleDiskLiveCommand] (EE-ManagedThreadFactory-engineScheduled-Thread-23) [3bf9345d-fab2-490f-ba44-6aa014bbb743] No need to execute reduce image command, skipping its execution. Storage Type: 'FCP', Disk: 'anova.admin.uoc.gr_Disk2' Snapshot: 'anova.admin.uoc.gr-2021-08-03' 2021-08-03 15:51:39,034+03 INFO [org.ovirt.engine.core.bll.snapshots.RemoveSnapshotSingleDiskLiveCommandCallback] (EE-ManagedThreadFactory-engineScheduled-Thread-23) [3bf9345d-fab2-490f-ba44-6aa014bbb743] Command 'RemoveSnapshotSingleDiskLive' id: '80dc4609-b91f-4e93-bc12-7b2083933e5a' child commands '[18653ea6-166c-41a3-b335-84525871b9e6, 74c83880-581b-4774-ae51-8c4af0c92c53, 92e92d8e-b099-47dd-ba8c-e3db907f9a62, baaa5254-261c-452a-84b4-0a8b397cdb62]' executions were completed, status 'SUCCEEDED' 2021-08-03 15:51:39,040+03 INFO [org.ovirt.engine.core.bll.ConcurrentChildCommandsExecutionCallback] (EE-ManagedThreadFactory-engineScheduled-Thread-23) [3bf9345d-fab2-490f-ba44-6aa014bbb743] Command 'RemoveSnapshot' (id: '04e9d61e-28a2-4ab0-9bb7-5c805ee871e9') waiting on child command id: '80dc4609-b91f-4e93-bc12-7b2083933e5a' type:'RemoveSnapshotSingleDiskLive' to complete 2021-08-03 15:51:40,046+03 INFO [org.ovirt.engine.core.vdsbroker.irsbroker.GetImageInfoVDSCommand] (EE-ManagedThreadFactory-engineScheduled-Thread-96) [3bf9345d-fab2-490f-ba44-6aa014bbb743] START, GetImageInfoVDSCommand( GetImageInfoVDSCommandParameters:{storagePoolId='5da76866-7b7d-11eb-9913-00163e1f2643', ignoreFailoverLimit='false', storageDomainId='96000ec9-e181-44eb-893f-e0a36e3a6775', imageGroupId='205a30a3-fc06-4ceb-8ef2-018f16d4ccbb', imageId='7611ebcf-5323-45ca-b16c-9302d0bdedc6'}), log id: 4c98e4db 2021-08-03 15:51:40,047+03 INFO [org.ovirt.engine.core.vdsbroker.vdsbroker.GetVolumeInfoVDSCommand] (EE-ManagedThreadFactory-engineScheduled-Thread-96) [3bf9345d-fab2-490f-ba44-6aa014bbb743] START, GetVolumeInfoVDSCommand(HostName = ovirt2-7.vmmgmt-int.uoc.gr, GetVolumeInfoVDSCommandParameters:{hostId='10599b78-5f45-48d2-bfe0-028f3dae69eb', storagePoolId='5da76866-7b7d-11eb-9913-00163e1f2643', storageDomainId='96000ec9-e181-44eb-893f-e0a36e3a6775', imageGroupId='205a30a3-fc06-4ceb-8ef2-018f16d4ccbb', imageId='7611ebcf-5323-45ca-b16c-9302d0bdedc6'}), log id: 4aca5f83 2021-08-03 15:51:40,084+03 INFO [org.ovirt.engine.core.vdsbroker.vdsbroker.GetVolumeInfoVDSCommand] (EE-ManagedThreadFactory-engineScheduled-Thread-96) [3bf9345d-fab2-490f-ba44-6aa014bbb743] FINISH, GetVolumeInfoVDSCommand, return: org.ovirt.engine.core.common.businessentities.storage.DiskImage@70097e6, log id: 4aca5f83 2021-08-03 15:51:40,084+03 INFO [org.ovirt.engine.core.vdsbroker.irsbroker.GetImageInfoVDSCommand] (EE-ManagedThreadFactory-engineScheduled-Thread-96) [3bf9345d-fab2-490f-ba44-6aa014bbb743] FINISH, GetImageInfoVDSCommand, return: org.ovirt.engine.core.common.businessentities.storage.DiskImage@70097e6, log id: 4c98e4db 2021-08-03 15:51:40,283+03 INFO [org.ovirt.engine.core.bll.snapshots.RemoveSnapshotSingleDiskLiveCommand] (EE-ManagedThreadFactory-engineScheduled-Thread-96) [3bf9345d-fab2-490f-ba44-6aa014bbb743] Successfully merged snapshot '1cd4985b-b0c0-40d6-bbde-54451e43bef6' images '17618ba1-4ab8-49eb-a991-fc3d602ced14'..'7611ebcf-5323-45ca-b16c-9302d0bdedc6' 2021-08-03 15:51:40,287+03 INFO [org.ovirt.engine.core.bll.snapshots.RemoveSnapshotSingleDiskLiveCommand] (EE-ManagedThreadFactory-engineScheduled-Thread-96) [3bf9345d-fab2-490f-ba44-6aa014bbb743] Ending command 'org.ovirt.engine.core.bll.snapshots.RemoveSnapshotSingleDiskLiveCommand' successfully. 2021-08-03 15:51:40,296+03 INFO [org.ovirt.engine.core.bll.ConcurrentChildCommandsExecutionCallback] (EE-ManagedThreadFactory-engineScheduled-Thread-96) [3bf9345d-fab2-490f-ba44-6aa014bbb743] Command 'RemoveSnapshot' id: '04e9d61e-28a2-4ab0-9bb7-5c805ee871e9' child commands '[87bc90c7-2aa5-4a1b-b58c-54296518658a, 80dc4609-b91f-4e93-bc12-7b2083933e5a]' executions were completed, status 'FAILED' 2021-08-03 15:51:41,322+03 ERROR [org.ovirt.engine.core.bll.snapshots.RemoveSnapshotCommand] (EE-ManagedThreadFactory-engineScheduled-Thread-65) [3bf9345d-fab2-490f-ba44-6aa014bbb743] Ending command 'org.ovirt.engine.core.bll.snapshots.RemoveSnapshotCommand' with failure. 2021-08-03 15:51:41,353+03 ERROR [org.ovirt.engine.core.dal.dbbroker.auditloghandling.AuditLogDirector] (EE-ManagedThreadFactory-engineScheduled-Thread-65) [3bf9345d-fab2-490f-ba44-6aa014bbb743] EVENT_ID: USER_REMOVE_SNAPSHOT_FINISHED_FAILURE(357), Failed to delete snapshot 'anova.admin.uoc.gr-2021-08-03' for VM 'anova.admin.uoc.gr'. Any help would be highly appreciated

3 8

Q: Get Host Capabilities Failed after restart
by Andrei Verovski 10 Aug '21

10 Aug '21

Hi, I have oVirt 4.4.7.6-1.el8 and one problematic node (HP ProLiant with CentOS 8 stream). After replacing server rack router switch and restart got this error I can’t recover from: VDSM node14 command Get Host Capabilities failed: Message timeout which can be caused by communication issues vdsm-network running fine, but vdsmd can’t start on node14 for whatever reason. All other nodes running fine. Aug 09 10:24:12 node14.mydomain.lv vdsmd_init_common.sh[4825]: vdsm: Running dummybr Aug 09 10:24:13 node14.mydomain.lv vdsmd_init_common.sh[4825]: vdsm: Running tune_system Aug 09 10:24:13 node14.mydomain.lv vdsmd_init_common.sh[4825]: vdsm: Running test_space Aug 09 10:24:13 node14.mydomain.lv vdsmd_init_common.sh[4825]: vdsm: Running test_lo Aug 09 10:24:13 node14.mydomain.lv systemd[1]: Started Virtual Desktop Server Manager. Aug 09 10:24:16 node14.mydomain.lv sudo[7721]: pam_systemd(sudo:session): Failed to create session: Start job for unit user-0.slice failed with 'canceled' Aug 09 10:24:16 node14.mydomain.lv sudo[7721]: pam_unix(sudo:session): session opened for user root by (uid=0) Aug 09 10:24:16 node14.mydomain.lv sudo[7721]: pam_unix(sudo:session): session closed for user root Aug 09 10:24:17 node14.mydomain.lv vdsm[6754]: WARN MOM not available. Error: [Errno 2] No such file or directory Aug 09 10:24:17 node14.mydomain.lv vdsm[6754]: WARN MOM not available, KSM stats will be missing. Error: In web gui -> Management I can’t do anything with the host except restart. Stop aborts with error, all other commands are gray-ed out. Status is “Unassigned”. Host is answering to pings as usual. vdsm.log (from node14) attached. Thanks in advance for any help.

2 11

Storage Domains for a VM from Template
by Shantur Rathore 09 Aug '21

09 Aug '21

Hi all, I have multiple storage domains in my DC. One is backed up that has templates and another one which isn't backed up and I want to use it for VM instances of the template. I cannot find an option to create the VM from a template and use a storage domain other than where the template is stored. Is it even possible? Thanks, Shantur

2 3

any configuration when clients can't directly access oVirt cluster?
by yam yam 09 Aug '21

09 Aug '21

Hello, Under my environment, clients must go through a proxy to reach the oVirt cluster(physical nodes), so that I applied DNAT rules for engine and VM IPs to clients. but there were still some issues like VNC console(+browser) don't work, and I'm not sure other features work well. so, I'm wondering whether there is any oVirt configuration or some guides for such case using the proxy. Thanks,

2 1

ISO Upload in in Paused by System Status
by louisb＠ameritech.net 09 Aug '21

09 Aug '21

I'm attempting to upload an ISO that is approximately 9GB in size. I've succssfullly started th upload process via the oVirt Management Console/Disk. The upload started however, it now has a status of "Paused by System". My storage type is set to NFS Data. Is something happing the back ground that contributing to the "Paused by System"? I have mor the 84TB of space available so I don't think it is a space issue. Is there something that I need to do? At this time I'm going to wait and see if it moves forward on its own. Please provide me with any help or direction. Thanks

5 10

adding new host failed with error "CPU does not match the Cluster CPU Type"
by jimod4＠yahoo.com 09 Aug '21

09 Aug '21

i get the below error when i try to add a new kvm host to the cluster. I know that the cpu is a haswell, Intel E5-2640 v3. if i run "virsh capabilities" it returns <model>Haswell-noTSX-IBRS</model>. My KVM server is redhat 8.4 fully patched today on an DL-360 Gen9. oVirt is at 4.4.7.7-1.el8. i have tried many diffent CPU settings for the cluster and none of them work. this is new oVirt install. ERROR: "The host CPU does not match the Cluster CPU Type and is running in a degraded mode. It is missing the following CPU flags: vmx, model_Haswell-noTSX, nx. Please update the host CPU microcode or change the Cluster CPU Type." MIRCOCODE: root@kvm09 ~]# dmesg | grep 'microcode' [ 0.000000] microcode: microcode updated early to revision 0x46, date = 2021-01-27 [ 1.625108] microcode: sig=0x306f2, pf=0x1, revision=0x46 [ 1.625753] microcode: Microcode Update Driver: v2.2.

3 3

Adding new host to a cluster and stuck at "Detect if host is a prebuilt image".
by fauzuwan.nazri93＠gmail.com 08 Aug '21

08 Aug '21

Hello everyone, I try to add a host to a new cluster and during provisioning the event showed "Detect if host is a prebuilt image." and it just stuck there forever. Version: ovirt-node-ng-image-update-placeholder-4.4.7.1-1.el8.noarch Actual results: Host provisioning stuck at "Detect if host is a prebuilt image." Expected results: Provisioning successful. By checking the ovirt host deployment playbook logs, I can't found any useful output. Below is the last output form the logs. 2021-08-06 19:25:12 MYT - TASK [ovirt-host-deploy-facts : Detect if host is a prebuilt image] ************ 2021-08-06 19:25:12 MYT - ok: [ovirth02.zyzyx.virtnet] 2021-08-06 19:25:12 MYT - { "status" : "OK", "msg" : "", "data" : { "uuid" : "a7b74be9-30ab-4ca4-b2b6-e7af6b86bb6c", "counter" : 24, "stdout" : "ok: [ovirth02.zyzyx.virtnet]", "start_line" : 22, "end_line" : 23, "runner_ident" : "f155ccc8-f6a8-11eb-94c2-00e04cf8ff45", "event" : "runner_on_ok", "pid" : 1549383, "created" : "2021-08-06T11:25:10.333884", "parent_uuid" : "00e04cf8-ff45-b99d-863c-000000000182", "event_data" : { "playbook" : "ovirt-host-deploy.yml", "playbook_uuid" : "c1e368bf-e183-47c0-b6f5-377114c20eab", "play" : "all", "play_uuid" : "00e04cf8-ff45-b99d-863c-000000000007", "play_pattern" : "all", "task" : "Detect if host is a prebuilt image", "task_uuid" : "00e04cf8-ff45-b99d-863c-000000000182", "task_action" : "set_fact", "task_args" : "", "task_path" : "/usr/share/ovirt-engine/ansible-runner-service-project/project/roles/ovirt-host-deploy-facts/tasks/host-os.yml:26", "role" : "ovirt-host-deploy-facts", "host" : "ovirth02.zyzyx.virtnet", "remote_addr" : "ovirth02.zyzyx.virtnet", "res" : { "changed" : false, "ansible_facts" : { "node_host" : true }, "_ansible_no_log" : false }, "start" : "2021-08-06T11:25:10.254355", "end" : "2021-08-06T11:25:10.333550", "duration" : 0.079195, "event_loop" : null, "uuid" : "a7b74be9-30ab-4ca4-b2b6-e7af6b86bb6c" } } } 2021-08-06 19:25:12 MYT - TASK [ovirt-host-deploy-facts : Reset configuration of advanced virtualization module] *** 2021-08-06 19:25:12 MYT - TASK [ovirt-host-deploy-facts : Find relevant advanced virtualization module version] *** 2021-08-06 19:25:12 MYT - TASK [ovirt-host-deploy-facts : Enable advanced virtualization module] ********* 2021-08-06 19:25:12 MYT - TASK [ovirt-host-deploy-facts : Ensure Python3 is installed for CentOS/RHEL8 hosts] *** Thank You.

2 1

fencing and (virtual) power button pression reaction
by Gianluca Cecchi 07 Aug '21

07 Aug '21

Hello, in RHCS we have the fencing concept for targets very similar to the oVirt ones: avoid data corruption and also fast react to problematic hosts situations. The implementation is quite similar to the oVirt one, with several fencing agents sometimes common, like fence_ipmilan. In RHCS documentation there is a chapter describing how to configure hosts so that they don't react to power button pressure. This guarantees that failover is as fast as possible, and also that the same host to be fenced, could create more damages if it reacts and begins the shutdown procedure instead of simply powering off. See: https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/ht… It seems to me that oVirt / RHV lack this feature. Inside oVirt NGN and also RHVH-H, the /etc/systemd/logind.conf file is not configured with an entry of type HandlePowerKey=ignore So in some cases of tests I'm doing, I see in its virtual console that the to-be-fenced host begins its OS shutdown flow when it detects the power button pressure. Typically after 2-3 seconds the system powers off and then on again, but I also saw about 10 seconds delays in one case. I have opened a case (number 03002278) for my RHV products, but I would also like to get your comments here if I'm wrong with my considerations. Gianluca

2 1

Architecture design docs
by Jesse Hu 07 Aug '21

07 Aug '21

Hi there, is there any any architecture design docs for oVirt (Engine & Node & VDSM) for neebee to learn? https://www.ovirt.org/Architecture gives 404. Thanks.

4 5

Re: Install of RHV 4.4 failing - "Host is not up, please check logs, perhaps also on the engine machine"
by Brock Collins 07 Aug '21

07 Aug '21

Needed to add appropriate DNS entry / MAC for the VM It is a 192.168.2.122 typically* Sent from my iPhone

1 0

Data recovery from (now unused, but still mounted) Gluster Volume for a single VM
by David White 06 Aug '21

06 Aug '21

My hyperconverged cluster was running out of space. The reason for that is a good problem to have - I've grown more in the last 4 months than in the past 4-5 years combined. But the downside was, I had to go ahead and upgrade my storage, and it became urgent to do so. I began that process last week. I have 3 volumes: [root@cha2-storage dwhite]# gluster volume list data engine vmstore I did the following on all 3 of my volumes: 1) Converted cluster from Replica 3 to Replica 2, arbiter 1 - I did run into an issue where some VMs were paused, but I was able to poweroff and power on those VMs again with no issue 2) Ran the following on Host 2: # gluster volume remove-brick data replica 1 cha1-storage.mgt.my-domain.com:/gluster_bricks/data/data force # gluster volume remove-brick vmstore replica 1 cha1-storage.mgt.my-domain.com:/gluster_bricks/vmstore/vmstore force # gluster volume remove-brick engine replica 1 cha1-storage.mgt.my-domain.com:/gluster_bricks/engine/engine force (rebuilt the array & reboot the server -- when I rebooted, I commented out the original UUIDs from /etc/fstab for the gluster storage) # lvcreate -L 2157G --zero n -T gluster_vg_sdb/gluster_thinpool_gluster_vg_sdb # lvcreate -L 75G -n gluster_lv_engine gluster_vg_sdb # lvcreate -V 600G --thin -n gluster_lv_data gluster_vg_sdb/gluster_thinpool_gluster_vg_sdb # lvcreate -V 1536G --thin -n gluster_lv_vmstore gluster_vg_sdb/gluster_thinpool_gluster_vg_sdb # mkfs.xfs /dev/gluster_vg_sdb/gluster_lv_engine # mkfs.xfs /dev/gluster_vg_sdb/gluster_lv_data # mkfs.xfs /dev/gluster_vg_sdb/gluster_lv_vmstore At this point, I ran lsblk --fs to get the new UUIDs, and put them into /etc/fstab # mount -a # gluster volume add-brick engine replica 2 cha2-storage.mgt.my-domain.com:/gluster_bricks/engine/engine force # gluster volume add-brick vmstore replica 2 cha2-storage.mgt.my-domain.com:/gluster_bricks/vmstore/vmstore force # gluster volume add-brick data replica 2 cha2-storage.mgt.my-domain.com:/gluster_bricks/data/data force So far so good. 3) I was running critically low on disk space on the replica, so I:- Let the gluster volume heal - Then I removed the Host 1 bricks from the volumes When I removed the Host 1 bricks, I made sure that there were no additional healing tasks, then proceeded to do so:# gluster volume remove-brick data replica 1 cha1-storage.mgt.my-domain.com:/gluster_bricks/data/data force # gluster volume remove-brick vmstore replica 1 cha1-storage.mgt.my-domain.com:/gluster_bricks/vmstore/vmstore force At this point, I ran into problems. All of my VMs went into a Paused state, and I had to reboot all of them. All VMs came back online, but two VMs were corrupted. I wound up re-building them from scratch. Unfortunately, we lost a lot of data on 1 of the VMs, as I didn't realize backups were broken on that particular VM. Is there a way for me to go into those disks (that are still mounted to Host 1), examine the Gluster content, and somehow mount / recover the data from the VM that we lost? Sent with ProtonMail Secure Email.

4 9

non-critical request - Disk volume label - Web-ui
by Jorge Visentini 06 Aug '21

06 Aug '21

Hi everyone! Firstly, congratulations for the evolution of the oVirt 4.4.7. A *non-critical* request for a future version... if possible, add a label in disk volumes, in Web-ui. Thank you all! [image: image.png] -- Att, Jorge Visentini +55 55 98432-9868

1 0

Wondering a way to create a universal USB Live OS to connect to VM Portal
by eta.entropy＠gmail.com 06 Aug '21

06 Aug '21

Hi All, once oVirt Infrastracture has been setup, VMs created, assigned to users and they manage them through VM Portal, I'm wondering if there is an easy way to provide to end users a USB key that will just > plug into any computer or boot from it > connect to given VM Portal to manage assigned VMs > connect to given SPICE console to enter assigned VMs Just like a Linux Live USB with preconfigured service to be started and to connect to VM Portal or SPICE console Is there something already available to start from ? Is this something doable or am I dreaming ? Thanks for any input

1 0

Question about PCI storage passthrough for a single guest VM
by Tony Pearce 06 Aug '21

06 Aug '21

I have configured a host with pci passthrough for GPU pass through. Using this knowledge I went ahead and configured nvme SSD pci pass through. On the guest, I partitioned and mounted the SSD without any issues. Searching google for this exact setup I only see results about "local storage" where local storage = using a disk image on the hosts storage. So I have come here to try and find out if there are any concerns or gripes or issues with using nvme pci pass through compared to local storage. Some more detail about the setup: I have 2 identical hosts (nvidia gpu and also nvme pci SSD). A few weeks ago when I started researching converting one of these systems over (from native ubuntu) to ovirt using gpu pci pass through I found the information about local storage. I have 1 host (host #1) set up with local storage mode and the guest VM is using a disk image on this local storage. Host 2 has an identical hardware setup but I did not configure local storage for this host. Instead, I have the ovirt host OS installed on a SATA HDD and the nvme SSD is in pci pass through to a different guest instance. What I notice is Host 2 disk performance is approx. +30% increase over host #1 when running simple dd tests to write data to the disk. So at first glance it appears the nvme pci pass through gives better performance and this is desired, but I have not seen any ovirt documentation that explains that this is supported or any guidelines on configuring such a setup. Aside from the usual caveats when running pci pass through, are there any other gotchya's when running this type of setup (pci nvme ssd pass through)? I am trying to discover any unknowns about this before I use this for real data. I have no previous experience with this and this is my main reason for emailing the group. Any insight appreciated. Kind regards, Tony Pearce

2 3

glance.ovirt.org planned outage: 10.08.2021 at 01:00 UTC
by Evgheni Dereveanchin 06 Aug '21

06 Aug '21

Hi everyone, There's an outage scheduled in order to move glance.ovirt.org to new hardware. This will happen after midnight the upcoming Tuesday between 1AM and 3AM UTC. It will not be possible to pull images from our Glance image registry during this period. Other services will not be affected. If you see any CI jobs failing on Glance tests - please re-run them in the morning after the planned outage window is over. If issues persist please report it via JIRA or reach out to me personally. -- Regards, Evgheni Dereveanchin

1 0

[ANN] oVirt 4.4.8 Fourth Release Candidate is now available for testing
by Sandro Bonazzola 06 Aug '21

06 Aug '21

oVirt 4.4.8 Fourth Release Candidate is now available for testing The oVirt Project is pleased to announce the availability of oVirt 4.4.8 Fourth Release Candidate for testing, as of August 6th, 2021. This update is the eighth in a series of stabilization updates to the 4.4 series. Documentation - If you want to try oVirt as quickly as possible, follow the instructions on the Download <https://ovirt.org/download/> page. - For complete installation, administration, and usage instructions, see the oVirt Documentation <https://ovirt.org/documentation/>. - For upgrading from a previous version, see the oVirt Upgrade Guide <https://ovirt.org/documentation/upgrade_guide/>. - For a general overview of oVirt, see About oVirt <https://ovirt.org/community/about.html>. Important notes before you try it Please note this is a pre-release build. The oVirt Project makes no guarantees as to its suitability or usefulness. This pre-release must not be used in production. Installation instructions For installation instructions and additional information please refer to: https://ovirt.org/documentation/ This release is available now on x86_64 architecture for: * Red Hat Enterprise Linux 8.4 or similar * CentOS Stream 8 This release supports Hypervisor Hosts on x86_64 and ppc64le architectures for: * Red Hat Enterprise Linux 8.4 or similar * CentOS Stream 8 * oVirt Node 4.4 based on CentOS Stream 8 (available for x86_64 only) See the release notes [1] for installation instructions and a list of new features and bugs fixed. Notes: - oVirt Appliance is already available based on CentOS Stream 8 - oVirt Node NG is already available based on CentOS Stream 8 Additional Resources: * Read more about the oVirt 4.4.8 release highlights: http://www.ovirt.org/release/4.4.8/ * Get more oVirt project updates on Twitter: https://twitter.com/ovirt * Check out the latest project news on the oVirt blog: http://www.ovirt.org/blog/ [1] http://www.ovirt.org/release/4.4.8/ [2] http://resources.ovirt.org/pub/ovirt-4.4-pre/iso/ -- Sandro Bonazzola MANAGER, SOFTWARE ENGINEERING, EMEA R&D RHV Red Hat EMEA <https://www.redhat.com/> sbonazzo(a)redhat.com <https://www.redhat.com/> *Red Hat respects your work life balance. Therefore there is no need to answer this email out of your office hours.*

1 0

Is there a way to support Mellanox OFED with oVirt/RHV?
by Vinícius Ferrão 05 Aug '21

05 Aug '21

Hello, Is there a way to keep Mellanox OFED and oVirt/RHV playing nice with each other? The real issue is regarding GlusterFS. It seems to be a Mellanox issue, but I would like to know if there's something that we can do make both play nice on the same machine: [root@rhvepyc2 ~]# dnf update --nobest Updating Subscription Management repositories. Last metadata expiration check: 0:14:25 ago on Wed 04 Aug 2021 02:01:11 AM -03. Dependencies resolved. Problem: both package mlnx-ofed-all-user-only-5.4-1.0.3.0.rhel8.4.noarch and mlnx-ofed-all-5.4-1.0.3.0.rhel8.4.noarch obsolete glusterfs-rdma - cannot install the best update candidate for package glusterfs-rdma-6.0-49.1.el8.x86_64 - package ovirt-host-4.4.7-1.el8ev.x86_64 requires glusterfs-rdma, but none of the providers can be installed - package mlnx-ofed-all-5.4-1.0.3.0.rhel8.4.noarch obsoletes glusterfs-rdma provided by glusterfs-rdma-6.0-49.1.el8.x86_64 - package glusterfs-rdma-3.12.2-40.2.el8.x86_64 requires glusterfs(x86-64) = 3.12.2-40.2.el8, but none of the providers can be installed - package glusterfs-rdma-6.0-15.el8.x86_64 requires glusterfs(x86-64) = 6.0-15.el8, but none of the providers can be installed - package glusterfs-rdma-6.0-20.el8.x86_64 requires glusterfs(x86-64) = 6.0-20.el8, but none of the providers can be installed - package glusterfs-rdma-6.0-37.el8.x86_64 requires glusterfs(x86-64) = 6.0-37.el8, but none of the providers can be installed - package glusterfs-rdma-6.0-37.2.el8.x86_64 requires glusterfs(x86-64) = 6.0-37.2.el8, but none of the providers can be installed - cannot install both glusterfs-3.12.2-40.2.el8.x86_64 and glusterfs-6.0-49.1.el8.x86_64 - cannot install both glusterfs-6.0-15.el8.x86_64 and glusterfs-6.0-49.1.el8.x86_64 - cannot install both glusterfs-6.0-20.el8.x86_64 and glusterfs-6.0-49.1.el8.x86_64 - cannot install both glusterfs-6.0-37.el8.x86_64 and glusterfs-6.0-49.1.el8.x86_64 - cannot install both glusterfs-6.0-37.2.el8.x86_64 and glusterfs-6.0-49.1.el8.x86_64 - cannot install the best update candidate for package ovirt-host-4.4.7-1.el8ev.x86_64 - cannot install the best update candidate for package glusterfs-6.0-49.1.el8.x86_64 ============================================================================================================================================================= Package Architecture Version Repository Size ============================================================================================================================================================= Installing dependencies: openvswitch x86_64 2.14.1-1.54103 mlnx_ofed_5.4-1.0.3.0_base 17 M ovirt-openvswitch noarch 2.11-1.el8ev rhv-4-mgmt-agent-for-rhel-8-x86_64-rpms 8.7 k replacing rhv-openvswitch.noarch 1:2.11-7.el8ev unbound x86_64 1.7.3-15.el8 rhel-8-for-x86_64-appstream-rpms 895 k Skipping packages with conflicts: (add '--best --allowerasing' to command line to force their upgrade): glusterfs x86_64 3.12.2-40.2.el8 rhel-8-for-x86_64-baseos-rpms 558 k glusterfs x86_64 6.0-15.el8 rhel-8-for-x86_64-baseos-rpms 658 k glusterfs x86_64 6.0-20.el8 rhel-8-for-x86_64-baseos-rpms 659 k glusterfs x86_64 6.0-37.el8 rhel-8-for-x86_64-baseos-rpms 663 k glusterfs x86_64 6.0-37.2.el8 rhel-8-for-x86_64-baseos-rpms 662 k Skipping packages with broken dependencies: glusterfs-rdma x86_64 3.12.2-40.2.el8 rhel-8-for-x86_64-baseos-rpms 49 k glusterfs-rdma x86_64 6.0-15.el8 rhel-8-for-x86_64-baseos-rpms 46 k glusterfs-rdma x86_64 6.0-20.el8 rhel-8-for-x86_64-baseos-rpms 46 k glusterfs-rdma x86_64 6.0-37.2.el8 rhel-8-for-x86_64-baseos-rpms 48 k glusterfs-rdma x86_64 6.0-37.el8 rhel-8-for-x86_64-baseos-rpms 48 k Transaction Summary ============================================================================================================================================================= Install 3 Packages Skip 10 Packages Total size: 18 M Is this ok [y/N]: I really don't care for GlusterFS on this cluster, but Mellanox OFED is much more relevant do me. Thank you all, Vinícius.

3 7

import from vmware provider always failis
by edp＠maddalena.it 05 Aug '21

05 Aug '21

Hi. I have created a new vmware provider to connet to my vmware esxi node. But I have this problem. If I choose to import a vm from that provider, the process always fails. But the errror message is generic: "failed to import vm xyz to Data Center Default, Cluster Default" I have tried to import both Linux and Windows Vms without success. I can see that the import phase go on through importing virtual disk and then when the import process comes almost to the end I get the generic error stated above. There is a place where I can see more detailed logs to solve this problem? Thank you

3 2

Terrible Disk Performance on Windows 10 VM
by regloff＠gmail.com 05 Aug '21

05 Aug '21

I recently installed a Windows 10 VM under oVirt 4.4.5.11-1.el8 Also installed the drivers using "virtio-win-1.9.16.iso" (Then re-installed them after updates just in case it helped) I found a similar complaint with VMWare (https://communities.vmware.com/t5/VMware-Workstation-Pro/vmware-workstation…) So I looked into that and made a registry change for the AHCI controller, as well as setting the 'viodiskcache' to write-back (Seen in another thread on here) - those two changes seemed to help.. marginally. But not much at all. When I do just about anything, disk usage spikes to 100% and stays there for quite a while. Write speeds rarely break 100kb/sec. Not even sure what to look for next. My Linux VMs don't seem to have this issue and the host it's running on is barely working at all. CPU and memory stay close to unused. oVirt didn't show a lot, but in task manager in the Windows VM - you can see disk queue just pegged completely. I've given the VM 6GB of RAM, so that's not it. I even turned off paging in the Windows VM as well, to no avail. This is an example of disk usage, just opening 'Groove Music' for the first time. https://i.postimg.cc/FRLq28Mw/Disk-Activity.png Any ideas? :)

6 13

Question about pci passthrough for guest (SSD passthrough) ?
by Tony Pearce 05 Aug '21

05 Aug '21

I have recently added a fresh installed host on 4.4, with 3 x nvidia gpu's which have been passed through to a guest VM instance. This went very smoothly and the guest can use all 3 host GPUs. The next thing we did was to configure "local storage" so that the single guest instance can make use of faster nvme storage (100,000 iops) compared to the network iscsi storage which is rated at 35,000 iops. The caveat with local storage is that I can only use the remaining free space in /var/ for disk images. The result is the 1TB SSD has around 700GB remaining free space. So I was wondering about simply passing through the nvme ssd (PCI) to the guest, so the guest can utilise the fill SSD. Are there any "gotcha's" with doing this other than the usual gpu passthrough ones? Also my apologies if this is duplicated. I originally asked this [1] a couple of days ago but I am not sure what happened. Kind regards, Tony Pearce [1] Question about pci pass-thru - Users - Ovirt List Archives <https://lists.ovirt.org/archives/list/users@ovirt.org/thread/BN7XHUN2DP6RQG…>

3 2

Combining Virtual machine image with multiple disks attached
by kkchn.in＠gmail.com 05 Aug '21

05 Aug '21

I have few VMs in Redhat Virtualisation environment RHeV ( using Rhevm4.1 ) managed by a third party Now I am in the process of migrating those VMs to my cloud setup with OpenStack ussuri version with KVM hypervisor and Glance storage. The third party is making down each VM and giving the each VM image with their attached volume disks along with it. There are three folders which contain images for each VM . These folders contain the base OS image, and attached LVM disk images ( from time to time they added hard disks and used LVM for storing data ) where data is stored. Is there a way to get all these images to be exported as Single image file Instead of multiple image files from Rhevm it self. Is this possible ? If possible how to combine e all these disk images to a single image and that image can upload to our cloud glance storage as a single image ? Is this possible or Am I asking a Stupid question which theoretically not possible ? Thanks in Advance for sharing your thoughts, Kris.

4 8

Why is it that after running clloud-init using run-once option, all the other configurations take effect except the network configuration?
by Tommy Sway 05 Aug '21

05 Aug '21

1、This is the cloud-init configure. 2. After booting, the network is:

2 6

Restored engine backup: The provided authorization grant for the auth code has expired.
by Nicolás 05 Aug '21

05 Aug '21

Hi, I'm restoring a full ovirt engine backup, having used the --scope=all option, for oVirt 4.3. I restored the backup on a fresh CentOS7 machine. The process went well, but when trying to log into the restored authentication system I get the following message which won't allow me to log in: The provided authorization grant for the auth code has expired. What does that mean and how can it be fixed? Thanks. Nicolás

4 10

Accessing the oVirt Console Remotely
by louisb＠ameritech.net 04 Aug '21

04 Aug '21

I've installed ovirt on the my server (HPDL380Gen10) and was able to start the configuration process on the local machine. I'm tried to access the ovirt console remotely via the web however I've had no success. I'm using the same URL that is used locally, but when I execute the URL via my Firefox browser I get the message that it is unable to connect. I've drop the firewall on both the server and client machine as a possible solution but it did not work. Is there something extra that is needed to access the ovirt console remotely? The FQDN is entered into my DNS, however, I did find that during the configuration process that IP was consumed by ovirtmgmt. I was surprised to see that I'm just assuming that its apart of congiruation process. I have other ports on my sever and I have entered them in my DNS also with the same name but a different IP address. What must I do to gain access to the ovirt console remotely, it would surely make the configuration process easy from my desk vs being in the server area. Thanks

2 1

Self hosted engine installation - Failed to deploy the VM on ISCSI storage
by ericsitunew＠gmail.com 04 Aug '21

04 Aug '21

I was trying to install the latest ovirt engine v4.4.7 but it failed at the following step when I was using the command line. I have tried installing as user root or other sudoers, but same issue. [ INFO ] changed: [localhost] [ INFO ] TASK [ovirt.hosted_engine_setup : Copy configuration archive to storage] [ ERROR ] fatal: [localhost]: FAILED! => {"changed": true, "cmd": ["dd", "bs=20480", "count=1", "oflag=direct", "if=/var/tmp/localvmV8yIIX/5607a2c3-7e94-4403-ad86-7c3bcc745b16", "of=/rhev/data-center/mnt/blockSD/61612a87-4b25-4e09-aecd-02b63c679cf1/images/f9ebe70c-58f4-4229-a149-a18a09571d08/5607a2c3-7e94-4403-ad86-xxxxxxxxxxxx"], "delta": "0:00:00.011759", "end": "2020-08-14 09:03:35.702527", "msg": "non-zero return code", "rc": 1, "start": "2020-08-14 09:03:35.690768", "stderr": "dd: failed to open â/var/tmp/localvmV8yIIX/5607a2c3-7e94-4403-ad86-7c3bcc745b16â: Permission denied", "stderr_lines": ["dd: failed to open â/var/tmp/localvmV8yIIX/5607a2c3-7e94-4403-ad86-xxxxxxxxxxxx: Permission denied"], "stdout": "", "stdout_lines": []} [ ERROR ] Failed to execute stage 'Closing up': Failed executing ansible-playbook [ INFO ] Stage: Clean up [ INFO ] Cleaning temporary resources Just curious if anyone hits the same issue? Thank you.

3 2

Host not becoming active due to VDSM failure
by Vinícius Ferrão 03 Aug '21

03 Aug '21

Hello, I have a host that's failing to bring up VDSM, the logs don't say anything specific, but there's a Python error about DHCP on it. Is there anyone with a similar issue? [root@rhvpower ~]# systemctl status vdsmd ● vdsmd.service - Virtual Desktop Server Manager Loaded: loaded (/usr/lib/systemd/system/vdsmd.service; enabled; vendor preset: disabled) Active: inactive (dead) Jul 30 01:53:40 rhvpower.local.versatushpc.com.br systemd[1]: Dependency failed for Virtual Desktop Server Manager. Jul 30 01:53:40 rhvpower.local.versatushpc.com.br systemd[1]: vdsmd.service: Job vdsmd.service/start failed with result 'dependency'. Jul 30 12:34:12 rhvpower.local.versatushpc.com.br systemd[1]: Dependency failed for Virtual Desktop Server Manager. Jul 30 12:34:12 rhvpower.local.versatushpc.com.br systemd[1]: vdsmd.service: Job vdsmd.service/start failed with result 'dependency'. [root@rhvpower ~]# systemctl start vdsmd A dependency job for vdsmd.service failed. See 'journalctl -xe' for details. On the logs I got the following messages: ==> /var/log/vdsm/upgrade.log <== MainThread::DEBUG::2021-07-30 12:34:55,143::libvirtconnection::168::root::(get) trying to connect libvirt MainThread::INFO::2021-07-30 12:34:55,167::netconfpersistence::238::root::(_clearDisk) Clearing netconf: /var/lib/vdsm/staging/netconf MainThread::INFO::2021-07-30 12:34:55,178::netconfpersistence::188::root::(save) Saved new config RunningConfig({'ovirtmgmt': {'netmask': '255.255.255.0', 'bonding': 'bond0', 'ipv6autoconf': False, 'bridged': True, 'ipaddr': '10.20.0.106', 'defaultRoute': True, 'dhcpv6': False, 'gateway': '10.20.0.1', 'mtu': 1500, 'switch': 'legacy', 'stp': False, 'bootproto': 'none', 'nameservers': ['10.20.0.1']}, 'servers': {'vlan': 172, 'bonding': 'bond0', 'ipv6autoconf': False, 'bridged': True, 'dhcpv6': False, 'mtu': 1500, 'switch': 'legacy', 'defaultRoute': False, 'stp': False, 'bootproto': 'none', 'nameservers': []}, 'xcat-other': {'vlan': 2020, 'bonding': 'bond0', 'ipv6autoconf': False, 'bridged': True, 'dhcpv6': False, 'mtu': 1500, 'switch': 'legacy', 'defaultRoute': False, 'stp': False, 'bootproto': 'none', 'nameservers': []}, 'xcat-nodes1': {'vlan': 2021, 'bonding': 'bond0', 'ipv6autoconf': False, 'bridged': True, 'dhcpv6': False, 'mtu': 1500, 'switch': 'legacy', 'defaultRoute': False, 'stp': False, 'bootproto': 'none', 'nameservers': []}, 'xcat-nodes3': {'vlan': 2023, 'bonding': 'bond0', 'ipv6autoconf': False, 'bridged': True, 'dhcpv6': False, 'mtu': 1500, 'switch': 'legacy', 'defaultRoute': False, 'stp': False, 'bootproto': 'none', 'nameservers': []}, 'xcat-nodes2': {'vlan': 2022, 'bonding': 'bond0', 'ipv6autoconf': False, 'bridged': True, 'dhcpv6': False, 'mtu': 1500, 'switch': 'legacy', 'defaultRoute': False, 'stp': False, 'bootproto': 'none', 'nameservers': []}, 'nfs': {'vlan': 200, 'bonding': 'bond0', 'ipv6autoconf': False, 'bridged': True, 'dhcpv6': False, 'mtu': 1500, 'switch': 'legacy', 'defaultRoute': False, 'stp': False, 'bootproto': 'none', 'nameservers': []}, 'storage': {'vlan': 192, 'netmask': '255.255.255.240', 'bonding': 'bond0', 'ipv6autoconf': False, 'bridged': False, 'ipaddr': '192.168.10.6', 'dhcpv6': False, 'mtu': 1500, 'switch': 'legacy', 'defaultRoute': False, 'bootproto': 'none', 'nameservers': []}, 'xcat-nodes4': {'vlan': 2024, 'bonding': 'bond0', 'ipv6autoconf': False, 'bridged': True, 'dhcpv6': False, 'mtu': 1500, 'switch': 'legacy', 'defaultRoute': False, 'stp': False, 'bootproto': 'none', 'nameservers': []}}, {'bond0': {'nics': ['enP48p1s0f2', 'enP48p1s0f3'], 'options': 'mode=4', 'switch': 'legacy', 'hwaddr': '98:be:94:78:cc:72'}}, {}) to [/var/lib/vdsm/staging/netconf/nets,/var/lib/vdsm/staging/netconf/bonds,/var/lib/vdsm/staging/netconf/devices] MainThread::INFO::2021-07-30 12:34:55,179::netconfpersistence::238::root::(_clearDisk) Clearing netconf: /var/lib/vdsm/persistence/netconf MainThread::INFO::2021-07-30 12:34:55,188::netconfpersistence::188::root::(save) Saved new config PersistentConfig({'ovirtmgmt': {'netmask': '255.255.255.0', 'bonding': 'bond0', 'ipv6autoconf': False, 'bridged': True, 'ipaddr': '10.20.0.106', 'defaultRoute': True, 'dhcpv6': False, 'gateway': '10.20.0.1', 'mtu': 1500, 'switch': 'legacy', 'stp': False, 'bootproto': 'none', 'nameservers': ['10.20.0.1']}, 'servers': {'vlan': 172, 'bonding': 'bond0', 'ipv6autoconf': False, 'bridged': True, 'dhcpv6': False, 'mtu': 1500, 'switch': 'legacy', 'defaultRoute': False, 'stp': False, 'bootproto': 'none', 'nameservers': []}, 'xcat-other': {'vlan': 2020, 'bonding': 'bond0', 'ipv6autoconf': False, 'bridged': True, 'dhcpv6': False, 'mtu': 1500, 'switch': 'legacy', 'defaultRoute': False, 'stp': False, 'bootproto': 'none', 'nameservers': []}, 'xcat-nodes1': {'vlan': 2021, 'bonding': 'bond0', 'ipv6autoconf': False, 'bridged': True, 'dhcpv6': False, 'mtu': 1500, 'switch': 'legacy', 'defaultRoute': False, 'stp': False, 'bootproto': 'none', 'nameservers': []}, 'xcat-nodes3': {'vlan': 2023, 'bonding': 'bond0', 'ipv6autoconf': False, 'bridged': True, 'dhcpv6': False, 'mtu': 1500, 'switch': 'legacy', 'defaultRoute': False, 'stp': False, 'bootproto': 'none', 'nameservers': []}, 'xcat-nodes2': {'vlan': 2022, 'bonding': 'bond0', 'ipv6autoconf': False, 'bridged': True, 'dhcpv6': False, 'mtu': 1500, 'switch': 'legacy', 'defaultRoute': False, 'stp': False, 'bootproto': 'none', 'nameservers': []}, 'nfs': {'vlan': 200, 'bonding': 'bond0', 'ipv6autoconf': False, 'bridged': True, 'dhcpv6': False, 'mtu': 1500, 'switch': 'legacy', 'defaultRoute': False, 'stp': False, 'bootproto': 'none', 'nameservers': []}, 'storage': {'vlan': 192, 'netmask': '255.255.255.240', 'bonding': 'bond0', 'ipv6autoconf': False, 'bridged': False, 'ipaddr': '192.168.10.6', 'dhcpv6': False, 'mtu': 1500, 'switch': 'legacy', 'defaultRoute': False, 'bootproto': 'none', 'nameservers': []}, 'xcat-nodes4': {'vlan': 2024, 'bonding': 'bond0', 'ipv6autoconf': False, 'bridged': True, 'dhcpv6': False, 'mtu': 1500, 'switch': 'legacy', 'defaultRoute': False, 'stp': False, 'bootproto': 'none', 'nameservers': []}}, {'bond0': {'nics': ['enP48p1s0f2', 'enP48p1s0f3'], 'options': 'mode=4', 'switch': 'legacy', 'hwaddr': '98:be:94:78:cc:72'}}, {}) to [/var/lib/vdsm/persistence/netconf/nets,/var/lib/vdsm/persistence/netconf/bonds,/var/lib/vdsm/persistence/netconf/devices] MainThread::DEBUG::2021-07-30 12:34:55,188::cmdutils::130::root::(exec_cmd) /usr/share/openvswitch/scripts/ovs-ctl status (cwd None) ==> /var/log/vdsm/supervdsm.log <== restore-net::INFO::2021-07-30 12:34:55,924::restore_net_config::69::root::(_restore_sriov_config) Non persisted SRIOV devices found: {'0033:01:00.0', '0003:01:00.0'} restore-net::INFO::2021-07-30 12:34:55,924::restore_net_config::458::root::(restore) starting network restoration. restore-net::DEBUG::2021-07-30 12:34:55,942::restore_net_config::366::root::(_wait_for_for_all_devices_up) All devices are up. restore-net::DEBUG::2021-07-30 12:34:55,968::cmdutils::130::root::(exec_cmd) /sbin/tc qdisc show (cwd None) restore-net::DEBUG::2021-07-30 12:34:55,989::cmdutils::138::root::(exec_cmd) SUCCESS: <err> = b''; <rc> = 0 restore-net::DEBUG::2021-07-30 12:34:56,087::plugin::261::root::(_check_version_mismatch) NetworkManager version 1.30.0 restore-net::DEBUG::2021-07-30 12:34:56,088::context::144::root::(register_async) Async action: Retrieve applied config: ethernet enP48p1s0f2 started restore-net::DEBUG::2021-07-30 12:34:56,088::context::144::root::(register_async) Async action: Retrieve applied config: ethernet enP48p1s0f3 started restore-net::DEBUG::2021-07-30 12:34:56,088::context::144::root::(register_async) Async action: Retrieve applied config: bridge xcat-nodes3 started restore-net::DEBUG::2021-07-30 12:34:56,089::context::144::root::(register_async) Async action: Retrieve applied config: bridge xcat-other started restore-net::DEBUG::2021-07-30 12:34:56,089::context::144::root::(register_async) Async action: Retrieve applied config: bridge xcat-nodes4 started restore-net::DEBUG::2021-07-30 12:34:56,089::context::144::root::(register_async) Async action: Retrieve applied config: bridge ovirtmgmt started restore-net::DEBUG::2021-07-30 12:34:56,089::context::144::root::(register_async) Async action: Retrieve applied config: bond bond0 started restore-net::DEBUG::2021-07-30 12:34:56,089::context::144::root::(register_async) Async action: Retrieve applied config: vlan bond0.192 started restore-net::DEBUG::2021-07-30 12:34:56,089::context::144::root::(register_async) Async action: Retrieve applied config: vlan bond0.2020 started restore-net::DEBUG::2021-07-30 12:34:56,090::context::144::root::(register_async) Async action: Retrieve applied config: vlan bond0.2022 started restore-net::DEBUG::2021-07-30 12:34:56,090::context::144::root::(register_async) Async action: Retrieve applied config: vlan bond0.2024 started restore-net::DEBUG::2021-07-30 12:34:56,090::context::144::root::(register_async) Async action: Retrieve applied config: vlan bond0.172 started restore-net::DEBUG::2021-07-30 12:34:56,090::context::144::root::(register_async) Async action: Retrieve applied config: vlan bond0.2021 started restore-net::DEBUG::2021-07-30 12:34:56,090::context::144::root::(register_async) Async action: Retrieve applied config: vlan bond0.2023 started restore-net::DEBUG::2021-07-30 12:34:56,090::context::144::root::(register_async) Async action: Retrieve applied config: vlan bond0.200 started restore-net::DEBUG::2021-07-30 12:34:56,090::context::144::root::(register_async) Async action: Retrieve applied config: bridge xcat-nodes1 started restore-net::DEBUG::2021-07-30 12:34:56,090::context::144::root::(register_async) Async action: Retrieve applied config: bridge xcat-nodes2 started restore-net::DEBUG::2021-07-30 12:34:56,091::context::144::root::(register_async) Async action: Retrieve applied config: bridge nfs started restore-net::DEBUG::2021-07-30 12:34:56,091::context::144::root::(register_async) Async action: Retrieve applied config: bridge servers started restore-net::DEBUG::2021-07-30 12:34:56,091::context::144::root::(register_async) Async action: Retrieve applied config: bridge virbr0 started restore-net::DEBUG::2021-07-30 12:34:56,092::context::153::root::(finish_async) Async action: Retrieve applied config: ethernet enP48p1s0f2 finished restore-net::DEBUG::2021-07-30 12:34:56,093::context::153::root::(finish_async) Async action: Retrieve applied config: ethernet enP48p1s0f3 finished restore-net::DEBUG::2021-07-30 12:34:56,093::context::153::root::(finish_async) Async action: Retrieve applied config: bridge xcat-nodes3 finished restore-net::DEBUG::2021-07-30 12:34:56,094::context::153::root::(finish_async) Async action: Retrieve applied config: bridge xcat-other finished restore-net::DEBUG::2021-07-30 12:34:56,095::context::153::root::(finish_async) Async action: Retrieve applied config: bridge xcat-nodes4 finished restore-net::DEBUG::2021-07-30 12:34:56,096::context::153::root::(finish_async) Async action: Retrieve applied config: bridge ovirtmgmt finished restore-net::DEBUG::2021-07-30 12:34:56,097::context::153::root::(finish_async) Async action: Retrieve applied config: bond bond0 finished restore-net::DEBUG::2021-07-30 12:34:56,098::context::153::root::(finish_async) Async action: Retrieve applied config: vlan bond0.192 finished restore-net::DEBUG::2021-07-30 12:34:56,099::context::153::root::(finish_async) Async action: Retrieve applied config: vlan bond0.2020 finished restore-net::DEBUG::2021-07-30 12:34:56,099::context::153::root::(finish_async) Async action: Retrieve applied config: vlan bond0.2022 finished restore-net::DEBUG::2021-07-30 12:34:56,100::context::153::root::(finish_async) Async action: Retrieve applied config: vlan bond0.2024 finished restore-net::DEBUG::2021-07-30 12:34:56,100::context::153::root::(finish_async) Async action: Retrieve applied config: vlan bond0.172 finished restore-net::DEBUG::2021-07-30 12:34:56,101::context::153::root::(finish_async) Async action: Retrieve applied config: vlan bond0.2021 finished restore-net::DEBUG::2021-07-30 12:34:56,101::context::153::root::(finish_async) Async action: Retrieve applied config: vlan bond0.2023 finished restore-net::DEBUG::2021-07-30 12:34:56,102::context::153::root::(finish_async) Async action: Retrieve applied config: vlan bond0.200 finished restore-net::DEBUG::2021-07-30 12:34:56,102::context::153::root::(finish_async) Async action: Retrieve applied config: bridge xcat-nodes1 finished restore-net::DEBUG::2021-07-30 12:34:56,103::context::153::root::(finish_async) Async action: Retrieve applied config: bridge xcat-nodes2 finished restore-net::DEBUG::2021-07-30 12:34:56,105::context::153::root::(finish_async) Async action: Retrieve applied config: bridge nfs finished restore-net::DEBUG::2021-07-30 12:34:56,106::context::153::root::(finish_async) Async action: Retrieve applied config: bridge servers finished restore-net::DEBUG::2021-07-30 12:34:56,107::context::153::root::(finish_async) Async action: Retrieve applied config: bridge virbr0 finished restore-net::ERROR::2021-07-30 12:34:56,167::restore_net_config::462::root::(restore) restoration failed. Traceback (most recent call last): File "/usr/lib/python3.6/site-packages/vdsm/network/restore_net_config.py", line 460, in restore unified_restoration() File "/usr/lib/python3.6/site-packages/vdsm/network/restore_net_config.py", line 112, in unified_restoration classified_conf = _classify_nets_bonds_config(available_config) File "/usr/lib/python3.6/site-packages/vdsm/network/restore_net_config.py", line 237, in _classify_nets_bonds_config net_info = NetInfo(netswitch.configurator.netinfo()) File "/usr/lib/python3.6/site-packages/vdsm/network/netswitch/configurator.py", line 323, in netinfo _netinfo = netinfo_get(vdsmnets, compatibility) File "/usr/lib/python3.6/site-packages/vdsm/network/netinfo/cache.py", line 268, in get return _get(vdsmnets) File "/usr/lib/python3.6/site-packages/vdsm/network/netinfo/cache.py", line 76, in _get extra_info.update(_get_devices_info_from_nmstate(state, devices)) File "/usr/lib/python3.6/site-packages/vdsm/network/netinfo/cache.py", line 165, in _get_devices_info_from_nmstate nmstate.get_interfaces(state, filter=devices) File "/usr/lib/python3.6/site-packages/vdsm/network/netinfo/cache.py", line 164, in <dictcomp> for ifname, ifstate in six.viewitems( File "/usr/lib/python3.6/site-packages/vdsm/network/nmstate/api.py", line 228, in is_dhcp_enabled return util_is_dhcp_enabled(family_info) File "/usr/lib/python3.6/site-packages/vdsm/network/nmstate/bridge_util.py", line 137, in is_dhcp_enabled return family_info[InterfaceIP.ENABLED] and family_info[InterfaceIP.DHCP] KeyError: 'dhcp' The engine is fencing the machine constantly but it reboots and come back with the same issue after reboot. Thanks all.

3 4

CPU performance test results in three scenarios
by Tommy Sway 03 Aug '21

03 Aug '21

Hello, I recently conducted a test to compare the CPU performance of a physical machine, a high performance VM (pass-through CPU, PIN CPU), and a common VM. Here are the results: 1. Physical machine: # sysbench --test=cpu --cpu-max-prime=100000000 --threads=2 run WARNING: the --test option is deprecated. You can pass a script name or path on the command line without any options. sysbench 1.0.17 (using system LuaJIT 2.0.4) Running the test with following options: Number of threads: 2 Initializing random number generator from current time Prime numbers limit: 100000000 Initializing worker threads... Threads started! CPU speed: events per second: 0.01 General statistics: total time: 346.0588s total number of events: 2 Latency (ms): min: 345943.52 avg: 346001.09 max: 346058.65 95th percentile: 100000.00 sum: 692002.17 Threads fairness: events (avg/stddev): 1.0000/0.00 execution time (avg/stddev): 346.0011/0.06 2. High Performance VM: # sysbench --test=cpu --cpu-max-prime=100000000 --threads=2 run WARNING: the --test option is deprecated. You can pass a script name or path on the command line without any options. sysbench 1.0.17 (using system LuaJIT 2.0.4) Running the test with following options: Number of threads: 2 Initializing random number generator from current time Prime numbers limit: 100000000 Initializing worker threads... Threads started! CPU speed: events per second: 0.01 General statistics: total time: 351.8625s total number of events: 2 Latency (ms): min: 351416.59 avg: 351639.01 max: 351861.43 95th percentile: 100000.00 sum: 703278.02 Threads fairness: events (avg/stddev): 1.0000/0.00 execution time (avg/stddev): 351.6390/0.22 3. Common VM: # sysbench --test=cpu --cpu-max-prime=100000000 --threads=2 run WARNING: the --test option is deprecated. You can pass a script name or path on the command line without any options. sysbench 1.0.17 (using system LuaJIT 2.0.4) Running the test with following options: Number of threads: 2 Initializing random number generator from current time Prime numbers limit: 100000000 Initializing worker threads... Threads started! CPU speed: events per second: 0.01 General statistics: total time: 354.9108s total number of events: 2 Latency (ms): min: 354761.26 avg: 354835.99 max: 354910.73 95th percentile: 100000.00 sum: 709671.99 Threads fairness: events (avg/stddev): 1.0000/0.00 execution time (avg/stddev): 354.8360/0.07 Result: There is little difference in CPU performance between these three scenarios, so why distinguish between high performance and regular virtual machines? I don't think it makes much sense.

3 3

The provided authorization grant for the auth code has expired.
by Nicolás 02 Aug '21

02 Aug '21

Hi, A time ago I posted a similar question and I couldn't get it solved. I couldn't spend more time on this up until now, so I'm trying again and having the same error, which I'm unable to fix. I would really appreciate some help since I cannot find any documentation for this. I'm restoring a full ovirt engine backup, having used the --scope=all option, for oVirt 4.3. I restored the backup on a fresh CentOS7 machine. The process went well, but when trying to log into the restored authentication system I get the following message which won't allow me to log in: The provided authorization grant for the auth code has expired. What does that mean and how can it be fixed? I'm also attaching a screenshot. Thanks. Nicolás

2 1

Question about cloud-init
by tommy 02 Aug '21

02 Aug '21

Hello, I have a question about cloud-init: After installing vm, I installed cloud-init immediately, and enabled its four services, and then I can use cloud-init in the admin interface. However, I don't know how cloud-init knows where to get the relevant information (such as host name, SSH secret key, etc.) that I configured on the admin interface ? For I haven't configured the data source for cloud-init. Why it can works ? Thanks!

3 5

Re: adding new host failed with error "CPU does not match the Cluster CPU Type"
by j o 02 Aug '21

02 Aug '21

When I run lscpu it shows the nx and vmx flags are present. Vitialization is enable in bios. I have vms running. Sent from my iPhone

1 0

Question about pci pass-thru
by Tony Pearce 02 Aug '21

02 Aug '21

I have recently added a fresh installed host on 4.4, with 3 x nvidia gpu's which have been passed through to a guest VM instance. The host also has a 1TB nvme SSD drive which we are using for the host OS install and /var/ partition size was modified to allow maximum space for the guest, the intent is to give maximum space to a guest for fast SSD storage. Because this is a partition, I have about 700GB that can be added or mapped to a guest "disk" image that is locked to the host. After doing the above and after learning how simple it was to map the three GPUs in pass-through mode, my question is - can I simply map a PCI SSD through to a guest in the same fashion as the GPUs? I have not yet tried and do not find much results via google search. The intent on this would be to provision the whole SSD to the guest (instead of using the SSD for the host OS and some of that space for a guest (disk) image. In this case I would use another disk for the host OS but that is fine. Has anyone done such a thing (PCI SSD passthrough) and are there any concerns? (apart from the normal concerns with VM and host passthrough) Kind regards, Tony Pearce

1 0

Set fixed VNC/Spice Password for VMs.
by Merlin Timm 02 Aug '21

02 Aug '21

Good day to all, I have a question about the console configuration of the VMs: By default, for each console connection to a VM, a password is set for 120 seconds, after that you can't use it again. We currently have the following concern: We want to access and control the VMs via the VNC/Spice of the Ovirt host. We have already tried to use the password from the console.vv for the connection and that works so far. Unfortunately we have to do this every 2 minutes when we want to connect again. We are currently building an automatic test pipeline and for this we need to access the VMs remotely before OS start and we want to be independent of a VNC server on the guest. This is only possible if we could connect to the VNC/Spice server from the Ovirt host. My question: would it be possible to fix the password or read it out via api every time you want to connect? I would appreciate a reply very much! Best regards Merlin Timm

5 12

Happy SysAdmin Day!
by Strahil Nikolov 02 Aug '21

02 Aug '21

Happy SysAdmin Day! I want to thank Duck and wish to all fellow SysAdmins in the oVirt community a Happy Holliday ! Best Regards,Strahil Nikolov

3 2

adding new host failed with error "CPU does not match the Cluster CPU Type lscpu"
by jimod4＠yahoo.com 01 Aug '21

01 Aug '21

i get the below error when i try to add a new kvm host to the cluster. I know that the cpu is a haswell. if i run "virsh capabilities" it returns <model>Haswell-noTSX-IBRS</model>. My KVM server is redhat 8.4 fully patched today on an DL-360 Gen9. oVirt is at 4.4.7.7-1.el8. i have tried many diffent CPU settings for the cluster and none of them work. this is new oVirt install. ERROR: "The host CPU does not match the Cluster CPU Type and is running in a degraded mode. It is missing the following CPU flags: vmx, model_Haswell-noTSX, nx. Please update the host CPU microcode or change the Cluster CPU Type." MIRCOCODE: root@kvm09 ~]# dmesg | grep 'microcode' [ 0.000000] microcode: microcode updated early to revision 0x46, date = 2021-01-27 [ 1.625108] microcode: sig=0x306f2, pf=0x1, revision=0x46 [ 1.625753] microcode: Microcode Update Driver: v2.2.

1 0

Change lease storage domain while VM running
by Gianluca Cecchi 01 Aug '21

01 Aug '21

Hello, on a 4.4.6 environment where I'm moving storage I want to change the lease domain for an HA VM. The VM is running and if I go and edit, change sd and then press ok button, I get a window with: " Changes that can be applied immediately: VM Lease " I don't select the "apply later" check box. But then instead when I confirm, I get an error window with: " vm_name: Cannot edit VM. Hot swapping of VM leases is not supported, please remove the current lease and then set a new one. " Possibly it is possible to hot add a lease but not swap? So I think the first window should be changed. Is this a known issue? No problem if I change the lease storage domain while the VM is powered off. I don't know if it is already fixed in 4.4.7... I'm going to check next days.. Gianluca

3 2

Re: Upload Image to NFS Storage Domain Doesn't Work
by Eyal Shenitzky 01 Aug '21

01 Aug '21

+Bella Khizgiyaev <bkhizgiy(a)redhat.com> can you please take a look? On Fri, 30 Jul 2021 at 16:15, Nur Imam Febrianto <nur_imam(a)outlook.com> wrote: > Hi, > > > > Lastly in 4.4.6, I have a problem that I couldn’t upload any image to > storage domain without clicking Test Connection. Well, after it was > acknowledge as a bug and solved at 4.4.7 now I have similar issue. If I > upload any image to Storage Domain that uses NFS it only show locked, and > then showing OK even if no data are uploaded (can confirm 5GB ISO showing > OK after only 1 second). This issue only occurs with NFS backend, another > storage domain that uses iSCSI work fine though. Any idea how to solve this > ? I’m using NFS Storage Domain for storing ISO and this issue bugged me all > the time. > > > > Thanks before. > > > > Regards, > > > > Nur Imam Febrianto > > > > > _______________________________________________ > Users mailing list -- users(a)ovirt.org > To unsubscribe send an email to users-leave(a)ovirt.org > Privacy Statement: https://www.ovirt.org/privacy-policy.html > oVirt Code of Conduct: > https://www.ovirt.org/community/about/community-guidelines/ > List Archives: > https://lists.ovirt.org/archives/list/users@ovirt.org/message/ACUKBWAM2ORQZ… > -- Regards, Eyal Shenitzky

1 0

Re: Upload Image to NFS Storage Domain Doesn't Work
by Strahil Nikolov 31 Jul '21

31 Jul '21

When the web UI reports OK (after that 1 sec), do you see a file with the same uuid on that nfs storage ? Maybe you can give some stat output of the file. Best Regards,Strahil Nikolov On Fri, Jul 30, 2021 at 16:15, Nur Imam Febrianto<nur_imam(a)outlook.com> wrote:  Hi, Lastly in 4.4.6, I have a problem that I couldn’t upload any image to storage domain without clicking Test Connection. Well, after it was acknowledge as a bug and solved at 4.4.7 now I have similar issue. If I upload any image to Storage Domain that uses NFS it only show locked, and then showing OK even if no data are uploaded (can confirm 5GB ISO showing OK after only 1 second). This issue only occurs with NFS backend, another storage domain that uses iSCSI work fine though. Any idea how to solve this ? I’m using NFS Storage Domain for storing ISO and this issue bugged me all the time. Thanks before. Regards, Nur Imam Febrianto _______________________________________________ Users mailing list -- users(a)ovirt.org To unsubscribe send an email to users-leave(a)ovirt.org Privacy Statement: https://www.ovirt.org/privacy-policy.html oVirt Code of Conduct: https://www.ovirt.org/community/about/community-guidelines/ List Archives: https://lists.ovirt.org/archives/list/users@ovirt.org/message/ACUKBWAM2ORQZ…

2 1

How many servers do I need to run oVirt?
by rp.neuli＠yahoo.com 31 Jul '21

31 Jul '21

Hello, sorry for a very basic question. But I searched the net for the basic answer and did not get it. How many servers do I need to run oVirt software? I understand I can access management GUI from anywhere on subnet but naming and they it is explained is confusing to me. I am planning to buy a bigger server (just one to use as compute host) with dual cpu and about 64GB RAM. I am thinking to run my webservers as VM on this proposed machine. I thought it was a level 1 hypervisor (then why does it say some places that I need CentOS or RH on my server?) I also have a FreeNAS server, I was thinking if it was possible to keep my VMs stored on there and run/load/execute them on this so-called-compute server. Will I have to build and keep my VMs (when powered down) on oVirt machine only? finally what will I loose in comparison to free vSphere, if I select oVirt? Thank you. Rajeev

2 1

Changing the Password Expiration for a User
by louisb＠ameritech.net 31 Jul '21

31 Jul '21

I've create a new user using ovirt-aaa-jdbc-tool, I'm unable to use the account because the password expiration date has passed. I'm now trying to change the password expiration using the following command: sudo ovirt-aaa-jdbc-tool user edit --password-valid-to=2025-12-31 00:00:00 The above command is not working, I've tried several different formats using double quotes and single quotes, onluy using the date without the time. I've not been able to get anything working, what format should the above command be in? Thanks

2 3

VM CPU Topology
by nelson.lameiras＠lyra-network.com 30 Jul '21

30 Jul '21

Hello, We are currently running oVirt 4.3.10 Our oVirt hypervisors (HV) have 2 cpu sockets * 6 cores * HT = 24 vcpu Our VMs (centos7) range globally from 2vcpu to 8vcpu oVirt allows to configure - per VM - the following 3 advanced parameters : virtual_sockets : cores_per_virtual_socket : threads_per_core We make sure that threads per core is always 1 (so no question there) But, for the other 2 parameters, we are unsure of the correct configuration, and if there is a performance penalty on bad configuration. Let's consider a 4vcpu VM 1- Is there a performance difference betwenn 1:4:1 and 4:1:1 configuration ? 2- When should we opt for one or another configuration ? 2- Our VMs total CPU provisionning sum is twice the hypervisors capacity, but they are mostly idle so it is not an issue, but can this influence configuration choice above ? Thank you for any information that can enlighthen us, since we are worried that we are suffering from bad performance due to naive cpu configuration choices.

3 3

.htpasswd for ovirt web-ui
by marc.pfaendler＠fds-consulting.ch 30 Jul '21

30 Jul '21

Hello I want to add a password using .htpasswd file on my ovirt web-ui. I tried - htpasswd -cm ./.htpasswd username - to add a .htpasswd file in /usr/share/ovirt-engine/ovirt-web-ui.war. This doesn't work though would have been to easy right. ; ) Any ideas how I could achieve this? Thx

1 0

Upload Image to NFS Storage Domain Doesn't Work
by Nur Imam Febrianto 30 Jul '21

30 Jul '21

Hi, Lastly in 4.4.6, I have a problem that I couldn’t upload any image to storage domain without clicking Test Connection. Well, after it was acknowledge as a bug and solved at 4.4.7 now I have similar issue. If I upload any image to Storage Domain that uses NFS it only show locked, and then showing OK even if no data are uploaded (can confirm 5GB ISO showing OK after only 1 second). This issue only occurs with NFS backend, another storage domain that uses iSCSI work fine though. Any idea how to solve this ? I’m using NFS Storage Domain for storing ISO and this issue bugged me all the time. Thanks before. Regards, Nur Imam Febrianto

1 0

[ANN] oVirt 4.4.8 Third Release Candidate is now available for testing
by Lev Veyde 30 Jul '21

30 Jul '21

oVirt 4.4.8 Third Release Candidate is now available for testing The oVirt Project is pleased to announce the availability of oVirt 4.4.8 Third Release Candidate for testing, as of July 30th, 2021. This update is the eighth in a series of stabilization updates to the 4.4 series. Documentation - If you want to try oVirt as quickly as possible, follow the instructions on the Download <https://ovirt.org/download/> page. - For complete installation, administration, and usage instructions, see the oVirt Documentation <https://ovirt.org/documentation/>. - For upgrading from a previous version, see the oVirt Upgrade Guide <https://ovirt.org/documentation/upgrade_guide/>. - For a general overview of oVirt, see About oVirt <https://ovirt.org/community/about.html>. Important notes before you try it Please note this is a pre-release build. The oVirt Project makes no guarantees as to its suitability or usefulness. This pre-release must not be used in production. Installation instructions For installation instructions and additional information please refer to: https://ovirt.org/documentation/ This release is available now on x86_64 architecture for: * Red Hat Enterprise Linux 8.4 or similar * CentOS Stream 8 This release supports Hypervisor Hosts on x86_64 and ppc64le architectures for: * Red Hat Enterprise Linux 8.4 or similar * CentOS Stream 8 * oVirt Node 4.4 based on CentOS Stream 8 (available for x86_64 only) See the release notes [1] for installation instructions and a list of new features and bugs fixed. Notes: - oVirt Appliance is already available based on CentOS Stream 8 - oVirt Node NG is already available based on CentOS Stream 8 Additional Resources: * Read more about the oVirt 4.4.8 release highlights: http://www.ovirt.org/release/4.4.8/ * Get more oVirt project updates on Twitter: https://twitter.com/ovirt * Check out the latest project news on the oVirt blog: http://www.ovirt.org/blog/ [1] http://www.ovirt.org/release/4.4.8/ [2] http://resources.ovirt.org/pub/ovirt-4.4-pre/iso/ -- Lev Veyde Senior Software Engineer, RHCE | RHCVA | MCITP Red Hat Israel <https://www.redhat.com> lev(a)redhat.com | lveyde(a)redhat.com <https://red.ht/sig> TRIED. TESTED. TRUSTED. <https://redhat.com/trusted>

1 0

This year conference community updates
by Sandro Bonazzola 30 Jul '21

30 Jul '21

Hi, as announced we are going to have oVirt online conference coming in September. I would like to give usual community updates in and as part of that I'd like to report about oVirt downstream products (such as Red Hat Virtualization and Oracle Linux Virtualization Manager) and about companies using oVirt. I could just go googling and guessing by e-mail traffic on oVirt users list but I want to try a different approach this year. So, if you are shipping an oVirt downstream or if you're using oVirt and you'd like to get the company nominated during the community reports please let me know off-list. Also I'd like to remind that oVirt site has a section dedicated to user stories, if you want to share yours you can either push it to https://github.com/oVirt/ovirt-site or get in touch with me off-list to get help getting your story published. Thanks, -- Sandro Bonazzola MANAGER, SOFTWARE ENGINEERING, EMEA R&D RHV Red Hat EMEA <https://www.redhat.com/> sbonazzo(a)redhat.com <https://www.redhat.com/> *Red Hat respects your work life balance. Therefore there is no need to answer this email out of your office hours.*

1 1

About the cluster compatibility version
by tommy 30 Jul '21

30 Jul '21

From the document: oVirt clusters have a compatibility version. The cluster compatibility version indicates the features of oVirt supported by all of the hosts in the cluster. The cluster compatibility is set according to the version of the least capable host operating system in the cluster. I didn't quite understand the last sentence. How can the version of the cluster be determined based on the operating system version of the host? Should the cluster compatibility version be determined based on the version of the oVirt engine on the host?

3 5

About the oVirt Document
by tommy 30 Jul '21

30 Jul '21

Why don't the documents displayed on the site match the specific software version? Different versions have different functions, but the document does not show the version number, which is very bad for learning.

2 1