- Users - oVirt List Archives

ETL service aggregation error
by Ayansh Rocks 04 Jun '20

04 Jun '20

Hi, I am using 4.3.7 self hosted engine. From Few days i am getting regular below error messages :- [image: image.png] Logs in /var/log/ovirt-engine-dwh/ovirt-engine-dwhd.log [image: image.png] What could be the reason for this? Thanks Shashank

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VDSM host1/2/3 command GetStorageDeviceListVDS failed: Internal JSON-RPC error: {'reason': 'device is already in tree'}
by Radoslav Milanov 04 Jun '20

04 Jun '20

Hello I have oVirt 4.4 HCI/Gluster, 3 hosts and cluster is working but I'm getting those errors in log: VDSM host1/2/3 command GetStorageDeviceListVDS failed: Internal JSON-RPC error: {'reason': 'device is already in tree'} for all 3 hosts. Thank you.

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[ANN] oVirt 4.4.1 Third Release Candidate is now available for testing
by Lev Veyde 04 Jun '20

04 Jun '20

oVirt 4.4.1 Third Release Candidate is now available for testing The oVirt Project is pleased to announce the availability of oVirt 4.4.1 Third Release Candidate for testing, as of June 4th, 2020. This update is the first in a series of stabilization updates to the 4.4 series. 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. Some of the features included in oVirt 4.4.1 Release Candidate require content that will be available in CentOS Linux 8.2 but can’t be tested on RHEL 8.2 yet due to some incompatibility in openvswitch package shipped in CentOS Virt SIG which requires to rebuild openvswitch on top of CentOS 8.2. Installation instructions For the engine: either use appliance or: - Install CentOS Linux 8 minimal from http://centos.mirror.garr.it/centos/8.1.1911/isos/x86_64/CentOS-8.1.1911-x8… - dnf install https://resources.ovirt.org/pub/yum-repo/ovirt-release44-pre.rpm - dnf update (reboot if needed) - dnf module enable -y javapackages-tools pki-deps postgresql:12 - dnf install ovirt-engine - engine-setup For the nodes: Either use oVirt Node ISO or: - Install CentOS Linux 8 from http://centos.mirror.garr.it/centos/8.1.1911/isos/x86_64/CentOS-8.1.1911-x8… ; select minimal installation - dnf install https://resources.ovirt.org/pub/yum-repo/ovirt-release44-pre.rpm - dnf update (reboot if needed) - Attach the host to engine and let it be deployed. This release is available now on x86_64 architecture for: * Red Hat Enterprise Linux 8.1 or newer * CentOS Linux (or similar) 8.1 or newer This release supports Hypervisor Hosts on x86_64 and ppc64le architectures for: * Red Hat Enterprise Linux 8.1 or newer * CentOS Linux (or similar) 8.1 or newer * oVirt Node 4.4 based on CentOS Linux 8.1 (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 for CentOS Linux 8 - oVirt Node NG is already available for CentOS Linux 8 Additional Resources: * Read more about the oVirt 4.4.1 release highlights: http://www.ovirt.org/release/4.4.1/ * 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/4.4.1/ [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 [image: image.png] <https://red.ht/sig> TRIED. TESTED. TRUSTED. <https://redhat.com/trusted>

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VM login info
by fawzi＠kdsplumbing.com 03 Jun '20

03 Jun '20

Hi guys, After a lot of attempts, i was finally able to open a VM (centos8-cld) using virt-viewer on my mac (catalina). but i am faced with a login screen. So, where do i get this information from? or should i be using a different method to log into a vm? This goes for all of the VMs available by default. can someone please help me with this? thanks

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4.4 regression: engine-setup fails if admin password in answerfile contains a "%"
by Stephen Panicho 03 Jun '20

03 Jun '20

I encountered this error when deploying the Hosted Engine via Cockpit: [ INFO ] TASK [ovirt.engine-setup : Run engine-setup with answerfile] [ ERROR ] fatal: [localhost -> engine.ovirt.trashnet.xyz]: FAILED! => {"changed": true, "cmd": ["engine-setup", "--accept-defaults", "--config-append=/root/ovirt-engine-answers"], "delta": "0:00:01.396490", "end": "2020-05-22 18:32:41.965984", "msg": "non-zero return code", "rc": 1, "start": "2020-05-22 18:32:40.569494", "stderr": "", "stderr_lines": [], "stdout": "[ INFO ] Stage: Initializing\n[ ERROR ] Failed to execute stage 'Initializing': '%' must be followed by '%' or '(', found: '%JUUj'\n[ INFO ] Stage: Clean up\n Log file is located at /var/log/ovirt-engine/setup/ovirt-engine-setup-20200522183241-c7d1kh.log\n[ ERROR ] Failed to execute stage 'Clean up': 'NoneType' object has no attribute 'cleanup'\n[ INFO ] Generating answer file '/var/lib/ovirt-engine/setup/answers/20200522183241-setup.conf'\n[ INFO ] Stage: Pre-termination\n[ INFO ] Stage: Termination\n[ ERROR ] Execution of setup failed", "stdout_lines": ["[ INFO ] Stage: Initializing", "[ ERROR ] Failed to execute stage 'Initializing': '%' must be followed by '%' or '(', found: '%JUUj'", "[ INFO ] Stage: Clean up", " Log file is located at /var/log/ovirt-engine/setup/ovirt-engine-setup-20200522183241-c7d1kh.log", "[ ERROR ] Failed to execute stage 'Clean up': 'NoneType' object has no attribute 'cleanup'", "[ INFO ] Generating answer file '/var/lib/ovirt-engine/setup/answers/20200522183241-setup.conf'", "[ INFO ] Stage: Pre-termination", "[ INFO ] Stage: Termination", "[ ERROR ] Execution of setup failed"]} The important bit is this: Failed to execute stage 'Initializing': '%' must be followed by '%' or '(', found: '%JUUj'" Hey! Those are the last few characters of the admin password. Note that I don't mean the root password to the VM, but the one for the "admin" user of the web interface. I added some debug lines to the Ansible play to see the answerfile that was being generated. OVESETUP_CONFIG/adminPassword=str:&6&yGfcWf#b%JUUj Apparently engine-setup can no longer handle an answerfile with a "%" character in it. This same password worked in 4.3. Once I changed the admin password, installation progressed normally.

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[ANN] oVirt 4.3.10 is now generally available
by Lev Veyde 03 Jun '20

03 Jun '20

The oVirt Project is pleased to announce the general availability of oVirt 4.3.10 as of June 3rd, 2020. This update is the tenth in a series of stabilization updates to the 4.3 series. This release is available now on x86_64 architecture for: * Red Hat Enterprise Linux 7.8 or later (but < 8) * CentOS Linux (or similar) 7.8 or later (but < 8) This release supports Hypervisor Hosts on x86_64 and ppc64le architectures for: * Red Hat Enterprise Linux 7.8 or later (but < 8) * CentOS Linux (or similar) 7.8 or later (but < 8) * oVirt Node 4.3 (available for x86_64 only) See the release notes [1] for installation / upgrade instructions and a list of new features and bugs fixed. Notes: - oVirt Appliance will be available soon - oVirt Node is already available[2] oVirt Node and Appliance have been updated including: - oVirt 4.3.10: http://www.ovirt.org/release/4.3.10/ - Latest CentOS 7.8 updates - latest CentOS Virt, OpsTools and Storage SIG updates Additional Resources: * Read more about the oVirt 4.3.10 release highlights: http://www.ovirt.org/release/4.3.10/ * 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/4.3.10/ [2] http://resources.ovirt.org/pub/ovirt-4.3/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>

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Import VM from export domain using oVirt-4.4
by Joop 03 Jun '20

03 Jun '20

Hi All, I'm testing a shiny new oVirt-4.4.02, selfhosted engine HCI gluster, and found a problem when importing my VMs from an export domain. Import is OK but can't start the VM due to the fact that the BIOS is set to Legacy. Manually setting the BIOS type to Cluster Default, through VM properties, will let the VM start. I couldn't find anything about it in the ReleaseNotes As a side note: using gluster still doesn't install gluster-ansible-roles and glusterfs-server and vdsm-gluster or checks for its existance. See also another user who reported problems due to the latter not being installed, had the same experience. Regards, Joop

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Recuring error in the Administration Portal
by Krist van Besien 03 Jun '20

03 Jun '20

When using the Administration Portal after a while I start to get errors like this: 'Uncaught exception occurred. Please try reloading the page. Details: (TypeError) : Cannot read property 'isEval' of undefined Please have your administrator check the UI logs' 'Uncaught exception occurred. Please try reloading the page. Details: (TypeError) : null is not an object (evaluating 'b.b.b.a') Please have your administrator check the UI logs' These errors appear when I use Brave, but also appear after a while in Firefox, Chrome or Safari. The count listed in the upper right corner continuously increases if I do nothing. I find these errors in the ui.log as well: For example: 2020-06-03 11:10:01,113+02 ERROR [org.ovirt.engine.ui.frontend.server.gwt.OvirtRemoteLoggingService] (default task-83) [] Uncaught exception: com.google.gwt.core.client.JavaScriptException: (TypeError) : null is not an object (evaluating 'b.b.b.a') at org.ovirt.engine.ui.webadmin.section.main.view.tab.gluster.SubTabVolumeGeneralView.$setMainSelectedItem(SubTabVolumeGeneralView.java:143) at org.ovirt.engine.ui.webadmin.section.main.view.tab.gluster.SubTabVolumeGeneralView.setMainSelectedItem(SubTabVolumeGeneralView.java:143) at org.ovirt.engine.ui.common.presenter.AbstractSubTabPresenter.$onDetailModelEntityChange(AbstractSubTabPresenter.java:368) at org.ovirt.engine.ui.common.presenter.AbstractSubTabPresenter.$lambda$6(AbstractSubTabPresenter.java:343) at org.ovirt.engine.ui.common.presenter.AbstractSubTabPresenter$lambda$6$Type.eventRaised(AbstractSubTabPresenter.java:343) at org.ovirt.engine.ui.uicompat.Event.$raise(Event.java:99) at org.ovirt.engine.ui.uicommonweb.models.EntityModel.$setEntity(EntityModel.java:36) at org.ovirt.engine.ui.uicommonweb.models.EntityModel.setEntity(EntityModel.java:36) at org.ovirt.engine.ui.uicommonweb.models.ListWithDetailsModel.$onSelectedItemChanged(ListWithDetailsModel.java:89) at org.ovirt.engine.ui.uicommonweb.models.volumes.VolumeListModel.onSelectedItemChanged(VolumeListModel.java:455) at org.ovirt.engine.ui.uicommonweb.models.SearchableListModel.$setItems(SearchableListModel.java:714) at org.ovirt.engine.ui.uicommonweb.models.SearchableListModel.setItems(SearchableListModel.java:714) at org.ovirt.engine.ui.uicommonweb.models.SearchableListModel$SetItemsAsyncQuery$1.$onSuccess(SearchableListModel.java:878) at org.ovirt.engine.ui.uicommonweb.models.SearchableListModel$SetItemsAsyncQuery$1.onSuccess(SearchableListModel.java:878) at org.ovirt.engine.ui.frontend.Frontend$1.$onSuccess(Frontend.java:227) at org.ovirt.engine.ui.frontend.Frontend$1.onSuccess(Frontend.java:227) at org.ovirt.engine.ui.frontend.communication.OperationProcessor$1.$onSuccess(OperationProcessor.java:133) at org.ovirt.engine.ui.frontend.communication.OperationProcessor$1.onSuccess(OperationProcessor.java:133) at org.ovirt.engine.ui.frontend.communication.GWTRPCCommunicationProvider$5$1.$onSuccess(GWTRPCCommunicationProvider.java:270) at org.ovirt.engine.ui.frontend.communication.GWTRPCCommunicationProvider$5$1.onSuccess(GWTRPCCommunicationProvider.java:270) at com.google.gwt.user.client.rpc.impl.RequestCallbackAdapter.onResponseReceived(RequestCallbackAdapter.java:198) at com.google.gwt.http.client.Request.$fireOnResponseReceived(Request.java:233) at com.google.gwt.http.client.RequestBuilder$1.onReadyStateChange(RequestBuilder.java:409) at Unknown.anonymous(https://ov.wl.kri.st/ovirt-engine/webadmin/?locale=en_US) at com.google.gwt.core.client.impl.Impl.apply(Impl.java:236) at com.google.gwt.core.client.impl.Impl.entry0(Impl.java:275) at Unknown.anonymous(https://ov.wl.kri.st/ovirt-engine/webadmin/?locale=en_US) It is always org.ovirt.engine.ui.frontend.server.gwt.OvirtRemoteLoggingService, and the errors run in the hundreds... What is going on? A bug? A misconfiguration? Database corruption? This is an ovirt 4.4 cluster I setup on Centos 8. The cluster uses gluster storage, and was setup only a few days ago.

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Re: VM Networking
by Dominik Holler 02 Jun '20

02 Jun '20

On Tue, Jun 2, 2020 at 3:34 PM Anton Louw via Users <users(a)ovirt.org> wrote: > > > Hi Everybody, > > > > I had a strange incident today.. One of my nodes restarted (Still busy > investigating why), but my VMs powered own and moved to different nodes, > the only issue is, it seemed to have changed the vlan ID on the NICs? > Which VLANs changed during the reboot of the host? Just the VLANs on the hosts NICs, in a way the VMs are still connected to the correct VLANs? > Has anybody seen this before? > It is possible to run a network configuration, which does not persist and is reverted during reboot this way. Please find more details in http://ovirt.github.io/ovirt-engine-api-model/master/#services/host/methods… or the "Save network configuration" checkbox in the "Setup Host Networks" dialog. In recent oVirt versions this checkbox cannot be unselected anymore to avoid unexpected situations. > I am just trying to establish if this was changed on the node networking > side, or inside of the VM. > > > If a virtual NIC is connected to a logical network with a VLAN tag, there is no intended way for the VM to modify this tag. > Thank you > > *Anton Louw* > *Cloud Engineer: Storage and Virtualization* at *Vox* > ------------------------------ > *T:* 087 805 0000 | *D:* 087 805 1572 > *M:* N/A > *E:* anton.louw(a)voxtelecom.co.za > *A:* Rutherford Estate, 1 Scott Street, Waverley, Johannesburg > www.vox.co.za > > [image: image.png] > > > > > > > > <https://www.facebook.com/voxtelecomZA> > > [image: image.png] > > > > > > > > <https://www.twitter.com/voxtelecom> > > [image: image.png] > > > > > > > > <https://www.instagram.com/voxtelecomza/> > > [image: image.png] > > > > > > > > <https://www.linkedin.com/company/voxtelecom> > > [image: image.png] > > > > > > > > <https://www.youtube.com/user/VoxTelecom> > > [image: image.png] > > > > > > > > <https://www.vox.co.za/fibre/fibre-to-the-home/?prod=HOME> > *Disclaimer* > > The contents of this email are confidential to the sender and the intended > recipient. Unless the contents are clearly and entirely of a personal > nature, they are subject to copyright in favour of the holding company of > the Vox group of companies. Any recipient who receives this email in error > should immediately report the error to the sender and permanently delete > this email from all storage devices. > > This email has been scanned for viruses and malware, and may have been > automatically archived by *Mimecast Ltd*, an innovator in Software as a > Service (SaaS) for business. Providing a *safer* and *more useful* place > for your human generated data. Specializing in; Security, archiving and > compliance. To find out more Click Here > <https://www.voxtelecom.co.za/security/mimecast/?prod=Enterprise>. > > > _______________________________________________ > 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/CP7GZUPSI7MDB… >

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VM Networking
by Anton Louw 02 Jun '20

02 Jun '20

Hi Everybody, I had a strange incident today.. One of my nodes restarted (Still busy investigating why), but my VMs powered own and moved to different nodes, the only issue is, it seemed to have changed the vlan ID on the NICs? Has anybody seen this before? I am just trying to establish if this was changed on the node networking side, or inside of the VM. Thank you Anton Louw Cloud Engineer: Storage and Virtualization ______________________________________ D: 087 805 1572 | M: N/A A: Rutherford Estate, 1 Scott Street, Waverley, Johannesburg anton.louw(a)voxtelecom.co.za www.vox.co.za

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Problem with oVirt 4.4
by minnie.du＠vinchin.com 02 Jun '20

02 Jun '20

Hello, We have met a problem when testing oVirt 4.4. Our VM is on NFS storage. When testing the snapshot function of oVirt 4.4, we created snapshot 1 and then snapshot 2, but after clicking the delete button of snapshot 1, snapshot 1 failed to be deleted and the state of corresponding disk became illegal. Removing the snapshot in this state requires a lot of risky work in the background, leading to the inability to free up snapshot space. Long-term backups will cause the target VM to create a large number of unrecoverable snapshots, thus taking up a large amount of production storage. So we need your help.

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Problems creating bricks for new Gluster storage 4.4
by Jaret Garcia 02 Jun '20

02 Jun '20

Hi guys I'm trying to deploy a new ovirt environmet based in version 4.4 so I set up the following: 1 engine sever (stand alone) Version : 4.4.0.3 3 host servers (32 GB RAM, 2CPUs 8 core Xeon 5160, 500GB OS drive, 1 storage 8TB drive and 1 SSD 256GB (I'm trying to create a brick with SSD cache with no success) Detail of versions running on servers [ OS Version: RHEL - 8 - 1.1911.0.9.el8 OS Description: oVirt Node 4.4.0 Kernel Version: 4.18.0 - 147.8.1.el8_1.x86_64 KVM Version: 4.1.0 - 23.el8.1 LIBVIRT Version: libvirt-5.6.0-10.el8 VDSM Version: vdsm-4.40.16-1.el8 SPICE Version: 0.14.2 - 1.el8 GlusterFS Version: glusterfs-7.5-1.el8 CEPH Version: librbd1-12.2.7-9.el8 Open vSwitch Version: openvswitch-2.11.1-5.el8 Nmstate Version: nmstate-0.2.10-1.el8 ] Engine server working fine, all 3 host servers already part of the default cluster as hypervisors, then when I try to create a brick in any of the servers, using the 8TB HHDD and SSD as cache the process fails, in the GUI it just says "failed to creat brick on host" However in engine log as well as in brick-setup log I see: "err" : " Physical volume \"/dev/sdc\" still in use\n" "failed" : true,, (sdc in this case is the 8TB HHDD) Attached files of both logs. Thanks in advance, Jaret Garcia PACKET Next Generation IT & Telecom Tel. [ callto:+52%20%2855%29%2059898707 | +52 (55) 59898707 ] Of. [ callto:+52%20%2855%29%2047441200 | +52 (55) 47441200 ] Ext. 1210 email: [ mailto:jaret.garcia@packet.mx | jaret.garcia(a)packet.mx ] [ http://www.packet.mx/ | www.packet.mx ]

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Mixing OS versions
by Stack Korora 01 Jun '20

01 Jun '20

Greetings, We've been using Scientific Linux 7 quite successfully with oVirt for years now. However, since there will not be a SL7 we are transitioning new servers to CentOS8. I would like to add a new oVirt hypervisor node. How bad of an idea is it to have a 8 system when the rest are 7 even though the version of oVirt will be the same? Thanks!

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ovirt imageio problem...
by matteo fedeli 01 Jun '20

01 Jun '20

Hi! I' installed CentOS 8 and ovirt package following this step: systemctl enable --now cockpit.socket yum install https://resources.ovirt.org/pub/yum-repo/ovirt-release44.rpm yum module -y enable javapackages-tools yum module -y enable pki-deps yum module -y enable postgresql:12 yum -y install glibc-locale-source glibc-langpack-en localedef -v -c -i en_US -f UTF-8 en_US.UTF-8 yum update yum install ovirt-engine engine-setup (by keeping all default) It's possible ovirt-imageio-proxy service is not installed? (service ovirt-imageio-proxy status --> not found, yum install ovirt-imageio-proxy --> not found) I'm not able to upload iso... I also installed CA cert in firefox...

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Mount options
by Tommaso - Shellrent 01 Jun '20

01 Jun '20

Hi to all. there is a way to change the mount options of a running storage domain with gluster, without set all to maintenance and shoutdown the vm on it!? Regards, -- -- Shellrent - Il primo hosting italiano Security First *Tommaso De Marchi* /COO - Chief Operating Officer/ Shellrent Srl Via dell'Edilizia, 19 - 36100 Vicenza Tel. 0444321155 <tel:+390444321155> | Fax 04441492177

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Issues deploying 4.4 with HE on new EPYC hosts
by Mark R 01 Jun '20

01 Jun '20

Hello all, I have some EPYC servers that are not yet in production, so I wanted to go ahead and move them off of 4.3 (which was working) to 4.4. I flattened and reinstalled the hosts with CentOS 8.1 Minimal and installed all updates. Some very simple networking, just a bond and two iSCSI interfaces. After adding the oVirt 4.4 repo and installing the requirements, I run 'hosted-engine --deploy' and proceed through the setup. Everything looks as though it is going nicely and the local HE starts and runs perfectly. After copying the HE disks out to storage, the system tries to start it there but is using a different CPU definition and it's impossible to start it. At this point I'm stuck but hoping someone knows the fix, because this is as vanilla a deployment as I could attempt and it appears EPYC CPUs are a no-go right now with 4.4. When the HostedEngineLocal VM is running, the CPU definition is: <cpu mode='custom' match='exact' check='full'> <model fallback='forbid'>EPYC-IBPB</model> <vendor>AMD</vendor> <feature policy='require' name='x2apic'/> <feature policy='require' name='tsc-deadline'/> <feature policy='require' name='hypervisor'/> <feature policy='require' name='tsc_adjust'/> <feature policy='require' name='clwb'/> <feature policy='require' name='umip'/> <feature policy='require' name='arch-capabilities'/> <feature policy='require' name='cmp_legacy'/> <feature policy='require' name='perfctr_core'/> <feature policy='require' name='wbnoinvd'/> <feature policy='require' name='amd-ssbd'/> <feature policy='require' name='skip-l1dfl-vmentry'/> <feature policy='disable' name='monitor'/> <feature policy='disable' name='svm'/> <feature policy='require' name='topoext'/> </cpu> Once the HostedEngine VM is defined and trying to start, the CPU definition is simply: <cpu mode='custom' match='exact' check='partial'> <model fallback='allow'>EPYC</model> <topology sockets='16' cores='4' threads='1'/> <feature policy='require' name='ibpb'/> <feature policy='require' name='virt-ssbd'/> <numa> <cell id='0' cpus='0-63' memory='16777216' unit='KiB'/> </numa> </cpu> On attempts to start it, the host is logging this error: "CPU is incompatible with host CPU: Host CPU does not provide required features: virt-ssbd". So, the HostedEngineLocal VM works because it has a requirement set for 'amd-ssbd' instead of 'virt-ssbd', and a VM requiring 'virt-ssbd' can't run on EPYC CPUs with CentOS 8.1. As mentioned, the HostedEngine ran fine on oVirt 4.3 with CentOS 7.8, and on 4.3 the cpu definition also required 'virt-ssbd', so I can only imagine that perhaps this is due to the more recent 4.x kernel that I now need HE to require 'amd-ssbd' instead? Any clues to help with this? I can completely wipe/reconfigure the hosts as needed so I'm willing to try whatever so that I can move forward with a 4.4 deployment. Thanks! Mark

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tun: unexpected GSO type: 0x0, gso_size 1368, hdr_len 66
by lejeczek 01 Jun '20

01 Jun '20

hi everyone, With 4.4 I get: ... tun: unexpected GSO type ... It happens to a "third-party" kernel, namely: 5.6.15-1.el8.elrepo.x86_64 on Centos 8. I wonder if anybody sees the same or similar and I also wonder if I should report it somewhere in Bugzilla as "heads-up" towards new kernels? [Fri May 29 08:00:02 2020] tun: unexpected GSO type: 0x0, gso_size 1368, hdr_len 66 [Fri May 29 08:00:02 2020] tun: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [Fri May 29 08:00:02 2020] tun: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [Fri May 29 08:00:02 2020] tun: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [Fri May 29 08:00:02 2020] tun: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ [Fri May 29 08:00:02 2020] ------------[ cut here ]------------ [Fri May 29 08:00:02 2020] WARNING: CPU: 2 PID: 3605 at drivers/net/tun.c:2123 tun_do_read+0x524/0x6c0 [tun] [Fri May 29 08:00:02 2020] Modules linked in: sd_mod sg vhost_net vhost tap xt_CHECKSUM xt_MASQUERADE xt_conntrack nf_nat_tftp nf_conntrack_tftp tun nft_nat ipt_REJECT bridge nft_counter nft_objref nf_conntrack_netbios_ns nf_conntrack_broadcast nft_masq nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nf_tables_set nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 qedf qed ip6_tables crc8 nft_compat bnx2fc ip_set cnic uio libfcoe 8021q garp mrp stp llc libfc scsi_transport_fc nf_tables nfnetlink sunrpc vfat fat ext4 mbcache jbd2 snd_hda_codec_hdmi snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hda_core snd_hwdep snd_seq snd_seq_device edac_mce_amd snd_pcm kvm_amd kvm eeepc_wmi asus_wmi sp5100_tco sparse_keymap irqbypass rfkill wmi_bmof pcspkr joydev i2c_piix4 k10temp snd_timer snd soundcore gpio_amdpt gpio_generic acpi_cpufreq ip_tables xfs libcrc32c dm_crypt ax88179_178a usbnet mii hid_lenovo nouveau video mxm_wmi i2c_algo_bit [Fri May 29 08:00:02 2020] drm_kms_helper syscopyarea sysfillrect sysimgblt fb_sys_fops crct10dif_pclmul ttm crc32_pclmul crc32c_intel ahci libahci drm ghash_clmulni_intel libata nvme ccp r8169 nvme_core realtek wmi t10_pi pinctrl_amd dm_mirror dm_region_hash dm_log dm_mod [Fri May 29 08:00:02 2020] CPU: 2 PID: 3605 Comm: vhost-3578 Not tainted 5.6.15-1.el8.elrepo.x86_64 #1 [Fri May 29 08:00:02 2020] Hardware name: System manufacturer System Product Name/PRIME B450M-A, BIOS 2006 11/13/2019 [Fri May 29 08:00:02 2020] RIP: 0010:tun_do_read+0x524/0x6c0 [tun] [Fri May 29 08:00:02 2020] Code: 00 6a 01 0f b7 44 24 22 b9 10 00 00 00 48 c7 c6 cb 33 09 c1 48 c7 c7 d1 33 09 c1 83 f8 40 48 0f 4f c2 31 d2 50 e8 4c 14 df c5 <0f> 0b 58 5a 48 c7 c5 ea ff ff ff e9 d2 fc ff ff 4c 89 e2 be 04 00 [Fri May 29 08:00:02 2020] RSP: 0018:ffffaaf301dfbcb8 EFLAGS: 00010292 [Fri May 29 08:00:02 2020] RAX: 0000000000000000 RBX: ffff88ceae6b4800 RCX: 0000000000000007 [Fri May 29 08:00:02 2020] RDX: 0000000000000000 RSI: 0000000000000096 RDI: ffff88d14e8996b0 [Fri May 29 08:00:02 2020] RBP: 000000000000004e R08: 0000000000000516 R09: 0000000000000055 [Fri May 29 08:00:02 2020] R10: 000000000000072e R11: ffffaaf301dfba88 R12: ffffaaf301dfbe50 [Fri May 29 08:00:02 2020] R13: ffff88d0e98b8900 R14: 0000000000000000 R15: 0000000000000000 [Fri May 29 08:00:02 2020] FS: 0000000000000000(0000) GS:ffff88d14e880000(0000) knlGS:0000000000000000 [Fri May 29 08:00:02 2020] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [Fri May 29 08:00:02 2020] CR2: 000055f6b3af2bd8 CR3: 00000003c6c84000 CR4: 0000000000340ee0 [Fri May 29 08:00:02 2020] Call Trace: [Fri May 29 08:00:02 2020] ? __wake_up_common+0x77/0x140 [Fri May 29 08:00:02 2020] tun_recvmsg+0x6b/0xf0 [tun] [Fri May 29 08:00:02 2020] handle_rx+0x573/0x940 [vhost_net] [Fri May 29 08:00:02 2020] ? log_used.part.45+0x20/0x20 [vhost] [Fri May 29 08:00:02 2020] vhost_worker+0xcc/0x140 [vhost] [Fri May 29 08:00:02 2020] kthread+0x10c/0x130 [Fri May 29 08:00:02 2020] ? kthread_park+0x80/0x80 [Fri May 29 08:00:02 2020] ret_from_fork+0x22/0x40 [Fri May 29 08:00:02 2020] ---[ end trace 9df20668f2e81977 ]--- many thanks, L.

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Problem with Ovirt Machines
by aigini82＠gmail.com 31 May '20

31 May '20

Hi, Our company uses Ovirt to host some of its virtual machines. The version used is 4.2.6.4-1.el7. There are about 36 virtual hosts in it. The specifications used for the host machine is 30G RAM and 6 CPUs. Some of the VMs in the ovirt host run with 4 CPUs. Some with 2 CPUs. The problem I face now is that recently there was a need for high CPU and memory specs to setup a VM for DR. I created a VM with 16G RAM and 6 CPUs, without checking the CPUs available in the host first. After DR, the VM was brought down already. Then later another person in the team brought the VM back up for a different DR use, for a much larger DB restoration purpose. This caused the VM to pause due to storage error. And then worse things happened, whereby 2 other VMs inadvertently went down. Although I assumed that this was caused by storage errors/problems, the senior admins in the team concluded that the problem was due to fencing because of the max allotted CPU for the host being used for the VM. Now what I need to know is how to properly allocate CPU resources to a host to run multiple virtual machines in it like the situation above. I even tried to look for errors in vdsm.log, but this log was not available in the host machine nor in the affected VM. My colleague asked me to check "Events" section of the ovirt management interface to see past the past events. However, I don't find much details about the fencing activity or how the fencing occurred or what caused the fencing. And how did they conclude that the CPU count caused the fencing and not the storage?

2 1

Failed to add storage domain
by thunderlight1＠gmail.com 31 May '20

31 May '20

Hi! I have installed oVirt using the iso ovirt-node-ng-installer-4.3.2-2019031908.el7. I the did run the Host-engine deployment through Cockpit. I got an error when it tries to create the domain storage. It sucessfully mounted the NFS-share on the host. Bellow is the error I got: 2019-04-14 10:40:38,967+0200 INFO ansible skipped {'status': 'SKIPPED', 'ansible_task': u'Check storage domain free space', 'ansible_host': u'localhost', 'ansible_playbook': u'/usr/share/ovirt-hosted-engine-setup/ansible/trigger_role.yml', 'ansible_type': 'task'} 2019-04-14 10:40:38,967+0200 DEBUG ansible on_any args <ansible.executor.task_result.TaskResult object at 0x7fb6918ad9d0> kwargs 2019-04-14 10:40:39,516+0200 INFO ansible task start {'status': 'OK', 'ansible_task': u'ovirt.hosted_engine_setup : Activate storage domain', 'ansible_playbook': u'/usr/share/ovirt-hosted-engine-setup/ansible/trigger_role.yml', 'ansible_type': 'task'} 2019-04-14 10:40:39,516+0200 DEBUG ansible on_any args TASK: ovirt.hosted_engine_setup : Activate storage domain kwargs is_conditional:False 2019-04-14 10:40:41,923+0200 DEBUG var changed: host "localhost" var "otopi_storage_domain_details" type "<type 'dict'>" value: "{ "changed": false, "exception": "Traceback (most recent call last):\n File \"/tmp/ansible_ovirt_storage_domain_payload_xSFxOp/__main__.py\", line 664, in main\n storage_domains_module.post_create_check(sd_id)\n File \"/tmp/ansible_ovirt_storage_domain_payload_xSFxOp/__main__.py\", line 526, in post_create_check\n id=storage_domain.id,\n File \"/usr/lib64/python2.7/site-packages/ovirtsdk4/services.py\", line 3053, in add\n return self._internal_add(storage_domain, headers, query, wait)\n File \"/usr/lib64/python2.7/site-packages/ovirtsdk4/service.py\", line 232, in _internal_add\n return future.wait() if wait else future\n File \"/usr/lib64/python2.7/site-packages/ovirtsdk4/service.py\", line 55, in wait\n return self._code(response)\n File \"/usr/lib64/python2.7/site-packages/ovirtsdk4/service.py\", line 229, in callback\n self._check_fault(response)\n File \"/usr/lib64/python2.7/site-packages/ovirtsdk4/service.py\", line 132, in _check_fault\n self._raise_error(response , body)\n File \"/usr/lib64/python2.7/site-packages/ovirtsdk4/service.py\", line 118, in _raise_error\n raise error\nError: Fault reason is \"Operation Failed\". Fault detail is \"[]\". HTTP response code is 400.\n", "failed": true, "msg": "Fault reason is \"Operation Failed\". Fault detail is \"[]\". HTTP response code is 400." }" 2019-04-14 10:40:41,924+0200 DEBUG var changed: host "localhost" var "ansible_play_hosts" type "<type 'list'>" value: "[]" 2019-04-14 10:40:41,924+0200 DEBUG var changed: host "localhost" var "play_hosts" type "<type 'list'>" value: "[]" 2019-04-14 10:40:41,924+0200 DEBUG var changed: host "localhost" var "ansible_play_batch" type "<type 'list'>" value: "[]" 2019-04-14 10:40:41,924+0200 ERROR ansible failed {'status': 'FAILED', 'ansible_type': 'task', 'ansible_task': u'Activate storage domain', 'ansible_result': u'type: <type \'dict\'>\nstr: {\'_ansible_parsed\': True, u\'exception\': u\'Traceback (most recent call last):\\n File "/tmp/ansible_ovirt_storage_domain_payload_xSFxOp/__main__.py", line 664, in main\\n storage_domains_module.post_create_check(sd_id)\\n File "/tmp/ansible_ovirt_storage_domain_payload_xSFxOp/__main__.py", line 526', 'task_duration': 2, 'ansible_host': u'localhost', 'ansible_playbook': u'/usr/share/ovirt-hosted-engine-setup/ansible/trigger_role.yml'} 2019-04-14 10:40:41,924+0200 DEBUG ansible on_any args <ansible.executor.task_result.TaskResult object at 0x7fb691843190> kwargs ignore_errors:None 2019-04-14 10:40:41,928+0200 INFO ansible stats { "ansible_playbook": "/usr/share/ovirt-hosted-engine-setup/ansible/trigger_role.yml", "ansible_playbook_duration": "00:37 Minutes", "ansible_result": "type: <type 'dict'>\nstr: {u'localhost': {'unreachable': 0, 'skipped': 6, 'ok': 23, 'changed': 1, 'failures': 1}}", "ansible_type": "finish", "status": "FAILED" } 2019-04-14 10:40:41,928+0200 INFO SUMMARY: Duration Task Name -------- -------- [ < 1 sec ] Execute just a specific set of steps [ 00:01 ] Force facts gathering [ 00:01 ] Check local VM dir stat [ 00:01 ] Obtain SSO token using username/password credentials [ 00:01 ] Fetch host facts [ < 1 sec ] Fetch cluster ID [ 00:01 ] Fetch cluster facts [ 00:01 ] Fetch Datacenter facts [ < 1 sec ] Fetch Datacenter ID [ < 1 sec ] Fetch Datacenter name [ 00:02 ] Add NFS storage domain [ 00:01 ] Get storage domain details [ 00:01 ] Find the appliance OVF [ 00:01 ] Parse OVF [ < 1 sec ] Get required size [ FAILED ] Activate storage domain 2019-04-14 10:40:41,928+0200 DEBUG ansible on_any args <ansible.executor.stats.AggregateStats object at 0x7fb69404eb90> kwargs Any suggestions on how fix this?

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OVirt Upgrade from 4.3 to 4.4 - Hosted engine
by ccesario＠blueit.com.br 30 May '20

30 May '20

Hello, Could someone please inform if Upgrade from OVirt 4.3 to 4.4 when using Hosted engine is it supported !? According the documentation https://www.ovirt.org/documentation/upgrade_guide/#Upgrading_from_4-3 the upgrade procedure make reference only to "standalone engine". If it is supported, what is correct steps to do it? Best regards Carlos

4 5

Q: Fixing SELinux Permissions on oVirt node
by Andrei Verovski 29 May '20

29 May '20

Hi ! I’m struggling with SELinux blocking SNMP script from reading log file (oVirt node manually installed on CentOS 7). Log file is readable by all (chmod ugo+r). Scripts working fine when executed from terminal. I did not dig deep into CentOS internals, I’m mostly use Debian and SuSE. As far as I know, SELinux can’t be turned off on oVirt node. Thanks in advance for any suggestion(s). ********************** option in snmpd.conf extend .1.3.6.1.4.1.2021.7890.5 checkraid /opt/4anvcheckraid_hp.sh ********************** script 4anvcheckraid_hp.sh #!/bin/bash LOGFILE='/var/log/anvraidcheck.log' if [ ! -f $LOGFILE ]; then exit 0 fi # Variant 1 with sed sed '/^[ \t]*$/d' $LOGFILE | while read line; do echo "$line" exit 1 done # Variant 2 without sed while read line do if [[ "$line" =~ [^[:space:]] ]]; then echo "$line" exit 1 fi done < $LOGFILE ********************** SELinux audit log: type=AVC msg=audit(1590673970.198:469304): avc: denied { read } for pid=12142 comm="sed" name="anvraidcheck.log" dev="dm-8" ino=138 scontext=system_u:system_r:snmpd_t:s0 tcontext=system_u:object_r:cron_log_t:s0 tclass=file permissive=0 type=AVC msg=audit(1590673970.197:469303): avc: denied { read } for pid=12141 comm="4anvcheckraid_h" name="anvraidcheck.log" dev="dm-8" ino=138 scontext=system_u:system_r:snmpd_t:s0 tcontext=system_u:object_r:cron_log_t:s0 tclass=file permissive=0

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How to connect to a guest with vGPU ?
by Josep Manel Andrés Moscardó 29 May '20

29 May '20

Hi, I got vGPU through mdev working but I am wondering how I would connect to the client and make use of the GPU. So far I try to access the console through SPICE and at some point in the boot process it switches to GPU and I cannot see anything else. Thanks. -- Josep Manel Andrés Moscardó Systems Engineer, IT Operations EMBL Heidelberg T +49 6221 387-8394

3 4

oVirt 4.3.9 Standalone Engine local DB install documentation
by msantoro＠lanl.gov 29 May '20

29 May '20

Hello, I am new to oVirt and installing our first dev deployment. The 4.4 documentation is RHEL 8.1 specific (i.e. "yum module <module>"), and I cannot seem to easily find similar install documentation for the Standalone local DB case for 4.3.x. I am using RHEL 7.x for the time being. Can someone point me to install docs 4.3.x? Thanks, Marc

2 1

ovirt-websocket-proxy errors when trying noVNC
by Louis Bohm 29 May '20

29 May '20

OS: Oracle Linux 7.8 (unbreakable kernel) Using Oracle Linux Virtualization Manager: Software Version:4.3.6.6-1.0.9.el7 Since I am running all of it on one physical machine I opted to install the ovirt-engine using the accept defaults option. When I try to start a noVNC console I see this in the messages file: May 26 16:49:12 lfg-kvm saslpasswd2: Could not find keytab file: /etc/qemu/krb5.tab: No such file or directory May 26 16:49:12 lfg-kvm saslpasswd2: error deleting entry from sasldb: BDB0073 DB_NOTFOUND: No matching key/data pair found May 26 16:49:12 lfg-kvm saslpasswd2: error deleting entry from sasldb: BDB0073 DB_NOTFOUND: No matching key/data pair found May 26 16:49:12 lfg-kvm saslpasswd2: error deleting entry from sasldb: BDB0073 DB_NOTFOUND: No matching key/data pair found May 26 16:49:12 lfg-kvm saslpasswd2: error deleting entry from sasldb: BDB0073 DB_NOTFOUND: No matching key/data pair found May 26 16:49:14 lfg-kvm journal: 2020-05-26 16:49:14,704-0400 ovirt-websocket-proxy: INFO msg:824 handler exception: [SSL: SSLV3_ALERT_CERTIFICATE_UNKNOWN] sslv3 alert certificate unknown (_ssl.c:618) May 26 16:49:14 lfg-kvm ovirt-websocket-proxy.py: ovirt-websocket-proxy[14582] INFO msg:824 handler exception: [SSL: SSLV3_ALERT_CERTIFICATE_UNKNOWN] sslv3 alert certificate unknown (_ssl.c:618) I have checked the following: [root@lfg-kvm ~]# engine-config -g WebSocketProxy WebSocketProxy: lfg-kvm.corp.lfg.com:6100 version: general [root@lfg-kvm ~]# engine-config -g SpiceProxyDefault SpiceProxyDefault: http://lfg-kvm.corp.lfg.com:6100 version: general This is a brand new install. I also am unable to get a VNC console up and running. I have tried with an Ubuntu VM running on my MAC where I installed virt-manager. The viewer comes up for a second says it cannot connect and then shutsdown. Anyone have any clue? -<<—->>- Louis Bohm louisbohm(a)gmail.com <https://www.youracclaim.com/badges/f11e0d65-21ad-4458-895b-2c5b5cb11134/pub…> <https://www.youracclaim.com/badges/f11e0d65-21ad-4458-895b-2c5b5cb11134/pub…>

4 10

oVirt 4.4 and installer problem on Dell M620
by Gianluca Cecchi 28 May '20

28 May '20

Hello, I'm trying to install what in subject but it seems the graphical part fails... In fact the console remains black and if I switch witch Ctrl+Alt+ F1 I see this screen https://drive.google.com/file/d/1mt9ipxNLpe1xadbkXsU-Avh_GnFafNek/view?usp=… Anyone tried on this kind of hardware? Can I try to give any particular boot option? Thanks, Gianluca

2 2