On Sat, May 1, 2021 at 6:46 PM Strahil Nikolov via Users
<[email protected]> wrote:
>
> As we have tested off the list, it seems that the symbolic link in 
> /var/lib/vdsm that ovirt-ha-agent/broker create was missing.
> Yet migration succeeds, but the donor host looses score as the vm 'died 
> unexpectedly'.
>
> Try to cleanup the host2's metadata and try to provision it , so you can 
> proceed with the fix of host1 & host3.
>
>
> I have no clue if engine-cleanup will affect the shared syorage, but it's 
> possible - so use as last resort.

'engine-cleanup' is a utility you run on the engine machine, which
does basically the opposite of 'engine-setup', and in any case cleans
up the _engine_, not any particular host. If you run it, your engine
is gone, likely forever (unless you kept backups).

What you might were looking for is 'ovirt-hosted-engine-cleanup'. This
one cleans up a host from a hosted-engine deployment. It's generally
intended to be used after a failed deployment attempt. I think it can
work well also in your case, but would first try to fix using other
means.

>
> If you fail to add host2 , you can always reinstall it as host4 and try to 
> add it fresh.
>
> Best Regards,
> Strahil Nikolov
>
> On Fri, Apr 30, 2021 at 16:27, Marko Vrgotic
> <[email protected]> wrote:
>
> Dear oVirt,
>
>
>
> I have already reached out twice regarding the issues that occurred, due to 
> power outage, but noticed only when upgrading engine to latest 4.3. version.
>
>
>
> I am unable to redeploy engine on Host2, the hosted-engine file stays empty 
> and VDSM on Hosts1 and 3 is reporting, even though I cleared the metadata for 
> the Host2, on Host 1 and Host3:
>
>
>
> 2021-04-30 05:57:58,454-0700 ERROR (jsonrpc/7) 
> [ovirt_hosted_engine_ha.client.client.HAClient] Malformed metadata for host 
> 2: received 0 of 512 expected bytes (client:137)
>
>
>
> Today I tried to migrate HE from Host 3 to Host 1 and it fails each time with 
> following message:
>
>
>
> On Engine:
>
> 2021-04-30 12:57:56,961Z ERROR 
> [org.ovirt.engine.core.dal.dbbroker.auditloghandling.AuditLogDirector] 
> (EE-ManagedThreadFactory-engine-Thread-1233892) [] EVENT_ID: 
> VM_MIGRATION_TO_SERVER_FAILED(120), Migration failed  (VM: HostedEngine, 
> Source: ovirt-sj-03.ictv.com, Destination: ovirt-sj-01.ictv.com).
>
>
>
> On source Host:
>
> 2021-04-30 05:57:56,705-0700 ERROR (migsrc/66b6d489) [virt.vm] 
> (vmId='66b6d489-ceb8-486a-951a-355e21f13627') Failed to migrate 
> (migration:450)
>
> Traceback (most recent call last):
>
>   File "/usr/lib/python2.7/site-packages/vdsm/virt/migration.py", line 431, 
> in _regular_run
>
>     time.time(), migrationParams, machineParams
>
>   File "/usr/lib/python2.7/site-packages/vdsm/virt/migration.py", line 505, 
> in _startUnderlyingMigration
>
>     self._perform_with_conv_schedule(duri, muri)
>
>   File "/usr/lib/python2.7/site-packages/vdsm/virt/migration.py", line 591, 
> in _perform_with_conv_schedule
>
>     self._perform_migration(duri, muri)
>
>   File "/usr/lib/python2.7/site-packages/vdsm/virt/migration.py", line 525, 
> in _perform_migration
>
>     self._migration_flags)
>
>   File "/usr/lib/python2.7/site-packages/vdsm/virt/virdomain.py", line 100, 
> in f
>
>     ret = attr(*args, **kwargs)
>
>   File "/usr/lib/python2.7/site-packages/vdsm/common/libvirtconnection.py", 
> line 131, in wrapper
>
>     ret = f(*args, **kwargs)
>
>   File "/usr/lib/python2.7/site-packages/vdsm/common/function.py", line 94, 
> in wrapper
>
>     return func(inst, *args, **kwargs)
>
>   File "/usr/lib64/python2.7/site-packages/libvirt.py", line 1781, in 
> migrateToURI3
>
>     if ret == -1: raise libvirtError ('virDomainMigrateToURI3() failed', 
> dom=self)
>
> libvirtError: operation aborted: migration out job: canceled by client
>
>
>
>
>
> I know that this version is end of life – but I would very much appreciate if 
> someone could help me asses if this means corruption in DB or the overall 
> damage, simply to know how to plan further actions.
>
> My impression was that I still had to functional HE Hosts in the pool, but 
> after seeing migration failure, it’s pretty much down to single host.
>
>
>
> This is production system, so I cannot just move on to upgrading/deploying to 
> 4.4.
>
>
>
> Additionally – :
>
> Is the effect of the engine-cleanup on HE Host local or it affects all HE 
> Hosts? Could that help bringing the Host back to state so that HE can be 
> re-deployed?
> What is the effect or reinitialize-lockspace?
>
>
>
> Kindly awaiting your reply. Happy to provide any additional information 
> needed.
>
>
>
>
>
>
>
> -----
>
> kind regards/met vriendelijke groeten
>
>
>
> Marko Vrgotic
> Sr. System Engineer @ System Administration
>
>
> ActiveVideo
>
> o: +31 (35) 6774131
>
> m: +31 (65) 5734174
>
> e: [email protected]
> w: www.activevideo.com
>
>
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