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Replacing hosted engine on Gluster
by Chris Adams 22 Jun '21

22 Jun '21

I've run oVirt on iSCSI storage for years, and I've had to replace the hosted engine a couple of times (upgrade from CentOS 6 to 7, then moving to new storage). I'm looking at oVirt on hyperconverged Gluster storage. I see pages about how to replace a host, but how do you replace the engine when needed? Is it possible to connect a new hosted engine to the existing Gluster storage? I'm just trying to understand all the differences of iSCSI vs. Gluster before deploying it for real; if there's info online that I missed, feel free to point me to it. Thanks! -- Chris Adams <cma(a)cmadams.net>

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[ovirt-devel] Failed to execute stage 'Setup validation': Trying to upgrade from unsupported versions: 3.5
by Miguel Angel Costas 22 Jun '21

22 Jun '21

Hi All, I am trying to upgrade my ovirt from 3.6.7.5 to 4.0 but after restoring the backup and execute engine-setup an error message appear related to the cluster version. i have checked on the portal and the cluster version is set up in 3.6. Do you have any idea about how to solve that? [root@na5lovm01 ~]# engine-backup --mode=restore --no-restore-permissions --provision-db --file=/ovirt_bkp/miga-090621.tar --log=engine-backup-restore.log Preparing to restore: - Unpacking file '/ovirt_bkp/miga-090621.tar' Restoring: - Files ------------------------------------------------------------------------------ Please note: Operating system is different from the one used during backup. Current operating system: centos7 Operating system at backup: centos6 Apache httpd configuration will not be restored. You will be asked about it on the next engine-setup run. ------------------------------------------------------------------------------ Provisioning PostgreSQL users/databases: - user 'engine', database 'engine' Restoring: - Engine database 'engine' - Cleaning up temporary tables in engine database 'engine' ------------------------------------------------------------------------------ Please note: The engine database was backed up at 2021-06-09 13:13:29.000000000 -0300 . Objects that were added, removed or changed after this date, such as virtual machines, disks, etc., are missing in the engine, and will probably require recovery or recreation. ------------------------------------------------------------------------------ You should now run engine-setup. Done. [root@na5lovm01 ~]# engine-setup [ INFO ] Stage: Initializing [ INFO ] Stage: Environment setup Configuration files: ['/etc/ovirt-engine-setup.conf.d/10-packaging-jboss.conf', '/etc/ovirt-engine-setup.conf.d/10-packaging.conf', '/etc/ovirt-engine-setup.conf.d/20-setup-ovirt-post.conf'] Log file: /var/log/ovirt-engine/setup/ovirt-engine-setup-20210609140045-iiue97.log Version: otopi-1.5.2 (otopi-1.5.2-1.el7.centos) [ INFO ] Stage: Environment packages setup [ INFO ] Stage: Programs detection [ INFO ] Stage: Environment setup [ INFO ] Stage: Environment customization --== PRODUCT OPTIONS ==-- Configure Image I/O Proxy on this host? (Yes, No) [Yes]: Please note: Data Warehouse is required for the engine. If you choose to not configure it on this host, you have to configure it on a remote host, and then configure the engine on this host so that it can access the database of the remote Data Warehouse host. Configure Data Warehouse on this host (Yes, No) [Yes]: --== PACKAGES ==-- [ INFO ] Checking for product updates... [ INFO ] No product updates found --== NETWORK CONFIGURATION ==-- Setup can automatically configure the firewall on this system. Note: automatic configuration of the firewall may overwrite current settings. Do you want Setup to configure the firewall? (Yes, No) [Yes]: No --== DATABASE CONFIGURATION ==-- Where is the DWH database located? (Local, Remote) [Local]: Setup can configure the local postgresql server automatically for the DWH to run. This may conflict with existing applications. Would you like Setup to automatically configure postgresql and create DWH database, or prefer to perform that manually? (Automatic, Manual) [Automatic]: --== OVIRT ENGINE CONFIGURATION ==-- --== STORAGE CONFIGURATION ==-- --== PKI CONFIGURATION ==-- --== APACHE CONFIGURATION ==-- Setup can configure the default page of the web server to present the application home page. This may conflict with existing applications. Do you wish to set the application as the default page of the web server? (Yes, No) [Yes]: Setup can configure apache to use SSL using a certificate issued from the internal CA. Do you wish Setup to configure that, or prefer to perform that manually? (Automatic, Manual) [Automatic]: --== SYSTEM CONFIGURATION ==-- --== MISC CONFIGURATION ==-- Please choose Data Warehouse sampling scale: (1) Basic (2) Full (1, 2)[1]: --== END OF CONFIGURATION ==-- [ INFO ] Stage: Setup validation [ ERROR ] The following Clusters have a too old compatibility level, please upgrade them: Default [ ERROR ] Failed to execute stage 'Setup validation': Trying to upgrade from unsupported versions: 3.5 [ INFO ] Stage: Clean up Log file is located at /var/log/ovirt-engine/setup/ovirt-engine-setup-20210609140045-iiue97.log [ INFO ] Generating answer file '/var/lib/ovirt-engine/setup/answers/20210609140247-setup.conf' [ INFO ] Stage: Pre-termination [ INFO ] Stage: Termination [ ERROR ] Execution of setup failed I checked the engine database and I couldn't find date related to the cluster version. I just found that: -bash-4.1$ psql -U postgres -d engine psql (8.4.20) Type "help" for help. engine=# select * from cluster_features; feature_id | feature_name | version | category | description --------------------------------------+--------------------------+---------+----------+------------------------------------ 00000017-0017-0017-0017-000000000066 | GLUSTER_GEO_REPLICATION | 3.5 | 2 | Gluster Geo-Replication 00000018-0018-0018-0018-000000000093 | GLUSTER_SNAPSHOT | 3.5 | 2 | Gluster Volume Snapshot Management 00000019-0019-0019-0019-000000000300 | GLUSTER_BRICK_MANAGEMENT | 3.5 | 2 | Gluster Brick Provisioning Best regards

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Operation canceled: CA not found.
by jesado74＠gmail.com 22 Jun '21

22 Jun '21

Hello; when I try to enter the graphical console to a vm I get the following message: Operation canceled: CA not found. Change the certificates as the procedure says https://access.redhat.com/documentation/en-us/red_hat_virtualization/4.1/ht… And all services: ovirt-engine.service / ovirt-websocket-proxy / ovirt-imagenio-proxy.service / ovirt-provider-ovn.service - are working properly. But there is something wrong. This has happened to someone else when changing the certificates from the ovirt engine to a third-party CA certificate. Thanks.

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Why cannot connect to KVM Libvirtd using oVirt ??
by tommy 21 Jun '21

21 Jun '21

The error log is : VDSM olvms3 command GetVmsNamesFromExternalProviderVDS failed: Cannot recv data: Host key verification failed.: Connection reset by peer But if I use the virsh, it can connect. [root@olvms1 ~]# virsh -c qemu+ssh://root@192.168.10.175/system root(a)192.168.10.175's <mailto:root@192.168.10.175's> password: Welcome to virsh, the virtualization interactive terminal. Type: 'help' for help with commands 'quit' to quit virsh # virsh # virsh # list Id Name State -------------------- virsh # virsh # virsh # list --all Id Name State ------------------------ - 1.vm1 shut off virsh # Why ??

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Hosted-Engine import
by Harry O 21 Jun '21

21 Jun '21

Hi, Is it possible to import hosted engine vm from vm files on gluster only? If yes, how?

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Recovering from corrupted hosted-engine
by timothy.dilbert＠bmt.ky 21 Jun '21

21 Jun '21

Hi Guys, We had a 2-node self-supported RHEV cluster that we used for our development environment. We're in the middle of a migration from RHEV over to VMware - one host has already been converted to VMware and we have actively been running VM migrations over to VMware. During the migration, we had an extended power outage and had to improperly shut down the RHEV host. Since bringing it back up we've not been able to start the hosted-engine. Each time we try to start the hosted engine we're getting the following messages: ## START [root@bmrhev01 ~]# hosted-engine --vm-start VM exists and is down, cleaning up and restarting VM in WaitForLaunch [root@bmrhev01 ~]# hosted-engine --vm-status --== Host bmrhev01 (id: 1) status ==-- conf_on_shared_storage : True Status up-to-date : True Hostname : bmrhev01 Host ID : 1 Engine status : {"reason": "vm not running on this host", "health": "bad", "vm": "down_unexpected", "detail": "unknown"} Score : 3400 stopped : False Local maintenance : False crc32 : 325ff4b3 local_conf_timestamp : 7920 Host timestamp : 7920 Extra metadata (valid at timestamp): metadata_parse_version=1 metadata_feature_version=1 timestamp=7920 (Tue Jun 15 14:59:32 2021) host-id=1 score=3400 vm_conf_refresh_time=7920 (Tue Jun 15 14:59:32 2021) conf_on_shared_storage=True maintenance=False state=EngineStarting stopped=False END ## We've tried rebooting a number of times. Restarting various oVirt services. Nothing appears to be resolving the issue. At this point, the only thing I truly care about is migrating the guest VMs over to VMware. There's nothing else in the RHEV environment I care about. I'm happy to settle with any of the following, providing they can salvage the guest VMs: a) Deleting and redeploying the hosted-engine. b) Abandoning the hosted-engine and some how converting the guest VMs over to VMware. I don't have enough experience to know if any of the above is possible or the repercussions of either of them. Any help from anyone would be very helpful. I'm sorry to be a leach, rather than a contributor. I'm seriously in trouble here and a kind heart would be much appreciated. Thanks, Tim.

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oVirt + Gluster issues
by suporte＠logicworks.pt 21 Jun '21

21 Jun '21

Hello, running ovirt 4.4.4.7-1.el8 and gluster 8.3. When i performe a restore of Zimbra Collaboration Email with features.shard on, the VM pauses with an unknown storage error. When I performe a restore of Zimbra Collaboration Email with features.shard off, it fills all the gluster storage domain disks. With older versions of gluster and ovirt the same happens. If I use a NFS storage domain it runs OK. -- Jose Ferradeira http://www.logicworks.pt

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/var/log has less then 500MB free space left on
by Andrei Verovski 21 Jun '21

21 Jun '21

Hi, I started to get messages that /var/log has less then 500MB free space left on out of 8GB. du -h —max-depthh=1 reveals that openswitch log dir consumes 3.6GB, there are files as old as 2018. Node software was installed on fresh CentOS 7.xx from oVirt admin web console. I cleaned this directory, yet question remain - why logrotate service is not running by default on oVirt node? Or this is not recommended? Thanks in advance. Andrei

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hosted-engine --vm-start not working
by Harry O 21 Jun '21

21 Jun '21

Hi, When i run: hosted-engine --vm-start I get this: VM exists and is Down, cleaning up and restarting VM in WaitForLaunch But the VM never starts: virsh list --all Id Name State ------------------------------- - HostedEngine shut off systemctl status -l ovirt-ha-agent ● ovirt-ha-agent.service - oVirt Hosted Engine High Availability Monitoring Agent Loaded: loaded (/usr/lib/systemd/system/ovirt-ha-agent.service; disabled; vendor preset: disabled) Active: active (running) since Wed 2021-06-16 13:27:27 CEST; 3min 26s ago Main PID: 79702 (ovirt-ha-agent) Tasks: 2 (limit: 198090) Memory: 28.3M CGroup: /system.slice/ovirt-ha-agent.service └─79702 /usr/libexec/platform-python /usr/share/ovirt-hosted-engine-ha/ovirt-ha-agent Jun 16 13:27:27 hej1.5ervers.lan systemd[1]: ovirt-ha-agent.service: Succeeded. Jun 16 13:27:27 hej1.5ervers.lan systemd[1]: Stopped oVirt Hosted Engine High Availability Monitoring Agent. Jun 16 13:27:27 hej1.5ervers.lan systemd[1]: Started oVirt Hosted Engine High Availability Monitoring Agent. Jun 16 13:29:42 hej1.5ervers.lan ovirt-ha-agent[79702]: ovirt-ha-agent ovirt_hosted_engine_ha.agent.hosted_engine.HostedEngine ERROR Engine VM stopped on localhost hosted-engine --vm-status --== Host hej1.5ervers.lan (id: 1) status ==-- Host ID : 1 Host timestamp : 3547 Score : 3400 Engine status : {"vm": "down", "health": "bad", "detail": "Down", "reason": "bad vm status"} Hostname : hej1.5ervers.lan Local maintenance : False stopped : False crc32 : f35899f8 conf_on_shared_storage : True local_conf_timestamp : 3547 Status up-to-date : True Extra metadata (valid at timestamp): metadata_parse_version=1 metadata_feature_version=1 timestamp=3547 (Wed Jun 16 13:32:12 2021) host-id=1 score=3400 vm_conf_refresh_time=3547 (Wed Jun 16 13:32:12 2021) conf_on_shared_storage=True maintenance=False state=EngineDown stopped=False --== Host hej2.5ervers.lan (id: 2) status ==-- Host ID : 2 Host timestamp : 94681 Score : 0 Engine status : {"vm": "down_unexpected", "health": "bad", "detail": "Down", "reason": "bad vm status"} Hostname : hej2.5ervers.lan Local maintenance : False stopped : False crc32 : 40a3f809 conf_on_shared_storage : True local_conf_timestamp : 94681 Status up-to-date : True Extra metadata (valid at timestamp): metadata_parse_version=1 metadata_feature_version=1 timestamp=94681 (Wed Jun 16 13:32:05 2021) host-id=2 score=0 vm_conf_refresh_time=94681 (Wed Jun 16 13:32:05 2021) conf_on_shared_storage=True maintenance=False state=EngineUnexpectedlyDown stopped=False timeout=Fri Jan 2 03:23:40 1970 --== Host hej3.5ervers.lan (id: 3) status ==-- Host ID : 3 Host timestamp : 94666 Score : 0 Engine status : {"vm": "down_unexpected", "health": "bad", "detail": "Down", "reason": "bad vm status"} Hostname : hej3.5ervers.lan Local maintenance : False stopped : False crc32 : a50c2b3e conf_on_shared_storage : True local_conf_timestamp : 94666 Status up-to-date : True Extra metadata (valid at timestamp): metadata_parse_version=1 metadata_feature_version=1 timestamp=94666 (Wed Jun 16 13:32:09 2021) host-id=3 score=0 vm_conf_refresh_time=94666 (Wed Jun 16 13:32:09 2021) conf_on_shared_storage=True maintenance=False state=EngineUnexpectedlyDown stopped=False timeout=Fri Jan 2 03:23:16 1970

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Customization of Ovirt VM Portal
by Alessio B. 17 Jun '21

17 Jun '21

Hello to all, please is there a way to customize the VM portal? In my case I need to hide the "VNC console" value from the dropdown list inside of selected VM properties and leave only "VNC Console Browser". The user profile is "UserRole" Thank you very much!

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