[ovirt-users] vms in paused state

Fri Apr 29 19:59:35 UTC 2016

where do I find the recovery files?

[root at ovirt1 test vdsm]# pwd
/var/lib/vdsm
[root at ovirt1 test vdsm]# ls -la
total 16
drwxr-xr-x   6 vdsm kvm    100 Mar 17 16:33 .
drwxr-xr-x. 45 root root  4096 Apr 29 12:01 ..
-rw-r--r--   1 vdsm kvm  10170 Jan 19 05:04 bonding-defaults.json
drwxr-xr-x   2 vdsm root     6 Apr 19 11:34 netconfback
drwxr-xr-x   3 vdsm kvm     54 Apr 19 11:35 persistence
drwxr-x---.  2 vdsm kvm      6 Mar 17 16:33 transient
drwxr-xr-x   2 vdsm kvm     40 Mar 17 16:33 upgrade
[root at ovirt1 test vdsm]# locate recovery
/opt/hp/hpdiags/en/tcstorage.ldinterimrecovery.htm
/opt/hp/hpdiags/en/tcstorage.ldrecoveryready.htm
/usr/share/doc/postgresql-9.2.15/html/archive-recovery-settings.html
/usr/share/doc/postgresql-9.2.15/html/recovery-config.html
/usr/share/doc/postgresql-9.2.15/html/recovery-target-settings.html
/usr/share/pgsql/recovery.conf.sample
/var/lib/nfs/v4recovery

[root at ovirt1 test vdsm]# locate 757a5  (disk id)
/ovirt-store/nfs1/7e566f55-e060-47b7-bfa4-ac3c48d70dda/images/757a5e69-a791-4391-9d7d-9516bf7f2118
/ovirt-store/nfs1/7e566f55-e060-47b7-bfa4-ac3c48d70dda/images/757a5e69-a791-4391-9d7d-9516bf7f2118/211581dc-fa98-41be-a0b9-ace236149bc2
/ovirt-store/nfs1/7e566f55-e060-47b7-bfa4-ac3c48d70dda/images/757a5e69-a791-4391-9d7d-9516bf7f2118/211581dc-fa98-41be-a0b9-ace236149bc2.lease
/ovirt-store/nfs1/7e566f55-e060-47b7-bfa4-ac3c48d70dda/images/757a5e69-a791-4391-9d7d-9516bf7f2118/211581dc-fa98-41be-a0b9-ace236149bc2.meta
[root at ovirt1 test vdsm]# locate 5bfb140 (vm id)
/var/lib/libvirt/qemu/channels/5bfb140a-a971-4c9c-82c6-277929eb45d4.com.redhat.rhevm.vdsm
/var/lib/libvirt/qemu/channels/5bfb140a-a971-4c9c-82c6-277929eb45d4.org.qemu.guest_agent.0

On 4/29/16 10:02 AM, Michal Skrivanek wrote:
>
>
> On 29 Apr 2016, at 18:26, Bill James <bill.james at j2.com 
> <mailto:bill.james at j2.com>> wrote:
>
>> yes they are still saying "paused" state.
>> No, bouncing libvirt didn't help.
>
> Then my suspicion of vm recovery gets closer to a certainty:)
> Can you get one of the paused vm's .recovery file from /var/lib/vdsm 
> and check it says Paused there? It's worth a shot to try to remove 
> that file and restart vdsm, then check logs and that vm status...it 
> should recover "good enough" from libvirt only.
> Try it with one first
>
>> I noticed the errors about the ISO domain. Didn't think that was related.
>> I have been migrating a lot of VMs to ovirt lately, and recently 
>> added another node.
>> Also had some problems with /etc/exports for a while, but I think 
>> those issues are all resolved.
>>
>>
>> Last "unresponsive" message in vdsm.log was:
>>
>> vdsm.log.49.xz:jsonrpc.Executor/0::WARNING::*2016-04-21* 
>> 11:00:54,703::vm::5067::virt.vm::(_setUnresponsiveIfTimeout) 
>> vmId=`b6a13808-9552-401b-840b-4f7022e8293d`::monitor become 
>> unresponsive (command timeout, age=310323.97)
>> vdsm.log.49.xz:jsonrpc.Executor/0::WARNING::2016-04-21 
>> 11:00:54,703::vm::5067::virt.vm::(_setUnresponsiveIfTimeout) 
>> vmId=`5bfb140a-a971-4c9c-82c6-277929eb45d4`::monitor become 
>> unresponsive (command timeout, age=310323.97)
>>
>>
>>
>> Thanks.
>>
>>
>>
>> On 4/29/16 1:40 AM, Michal Skrivanek wrote:
>>>
>>>> On 28 Apr 2016, at 19:40, Bill James <bill.james at j2.com> wrote:
>>>>
>>>> thank you for response.
>>>> I bold-ed the ones that are listed as "paused".
>>>>
>>>>
>>>> [root at ovirt1 test vdsm]# virsh -r list --all
>>>> Â IdÂ Â Â NameÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â State
>>>> ----------------------------------------------------
>>>
>>>>
>>>>
>>>> Looks like problem started around 2016-04-17 20:19:34,822, based on 
>>>> engine.log attached.
>>>
>>> yes, that time looks correct. Any idea what might have been a 
>>> trigger? Anything interesting happened at that time (power outage of 
>>> some host, some maintenance action, anything)?Â
>>> logs indicate a problem when vdsm talks to libvirt(all those 
>>> "monitor become unresponsiveâ€)
>>>
>>> It does seem that at that time you started to have some storage 
>>> connectivity issues - first one atÂ 2016-04-17 20:06:53,929. And it 
>>> doesnâ€™t look temporary because such errors are still there couple 
>>> hours later(in your most recent file you attached I can see at 23:00:54)
>>> When I/O gets blocked the VMs may experience issues (then VM gets 
>>> Paused), or their qemu process gets stuck(resulting in libvirt 
>>> either reporting error or getting stuck as well -> resulting in what 
>>> vdsm sees as â€œmonitor unresponsiveâ€)
>>>
>>> Since you now bounced libvirtd - did it help? Do you still see wrong 
>>> status for those VMs and still those "monitor unresponsive" errors 
>>> in vdsm.log?
>>> If notâ€¦then I would suspect the â€œvm recoveryâ€ code not working 
>>> correctly. Milan is looking at that.
>>>
>>> Thanks,
>>> michal
>>>
>>>
>>>> There's a lot of vdsm logs!
>>>>
>>>> fyi, the storage domain for these Vms is a "local" nfs share, 
>>>> 7e566f55-e060-47b7-bfa4-ac3c48d70dda.
>>>>
>>>> attached more logs.
>>>>
>>>>
>>>> On 04/28/2016 12:53 AM, Michal Skrivanek wrote:
>>>>>> On 27 Apr 2016, at 19:16, Bill James<bill.james at j2.com>  wrote:
>>>>>>
>>>>>> virsh # list --all
>>>>>> error: failed to connect to the hypervisor
>>>>>> error: no valid connection
>>>>>> error: Failed to connect socket to '/var/run/libvirt/libvirt-sock': No such file or directory
>>>>>>
>>>>> you need to run virsh in read-only mode
>>>>> virsh -r list â€”all
>>>>>
>>>>>> [root at ovirt1 test vdsm]# systemctl status libvirtd
>>>>>> â— libvirtd.service - Virtualization daemon
>>>>>>    Loaded: loaded (/usr/lib/systemd/system/libvirtd.service; enabled; vendor preset: enabled)
>>>>>>   Drop-In: /etc/systemd/system/libvirtd.service.d
>>>>>>            â””â”€unlimited-core.conf
>>>>>>    Active: active (running) since Thu 2016-04-21 16:00:03 PDT; 5 days ago
>>>>>>
>>>>>>
>>>>>> tried systemctl restart libvirtd.
>>>>>> No change.
>>>>>>
>>>>>> Attached vdsm.log and supervdsm.log.
>>>>>>
>>>>>>
>>>>>> [root at ovirt1 test vdsm]# systemctl status vdsmd
>>>>>> â— vdsmd.service - Virtual Desktop Server Manager
>>>>>>    Loaded: loaded (/usr/lib/systemd/system/vdsmd.service; enabled; vendor preset: enabled)
>>>>>>    Active: active (running) since Wed 2016-04-27 10:09:14 PDT; 3min 46s ago
>>>>>>
>>>>>>
>>>>>> vdsm-4.17.18-0.el7.centos.noarch
>>>>> the vdsm.log attach is good, but itâ€™s too short interval, it only shows recovery(vdsm restart) phase when the VMs are identified as pausedâ€¦.can you add earlier logs? Did you restart vdsm yourself or did it crash?
>>>>>
>>>>>
>>>>>> libvirt-daemon-1.2.17-13.el7_2.4.x86_64
>>>>>>
>>>>>>
>>>>>> Thanks.
>>>>>>
>>>>>>
>>>>>> On 04/26/2016 11:35 PM, Michal Skrivanek wrote:
>>>>>>>> On 27 Apr 2016, at 02:04, Nir Soffer<nsoffer at redhat.com>  wrote:
>>>>>>>>
>>>>>>>> jjOn Wed, Apr 27, 2016 at 2:03 AM, Bill James<bill.james at j2.com>  wrote:
>>>>>>>>> I have a hardware node that has 26 VMs.
>>>>>>>>> 9 are listed as "running", 17 are listed as "paused".
>>>>>>>>>
>>>>>>>>> In truth all VMs are up and running fine.
>>>>>>>>>
>>>>>>>>> I tried telling the db they are up:
>>>>>>>>>
>>>>>>>>> engine=> update vm_dynamic set status = 1 where vm_guid =(select
>>>>>>>>> vm_guid from vm_static where vm_name = 'api1.test.j2noc.com <http://api1.test.j2noc.com>');
>>>>>>>>>
>>>>>>>>> GUI then shows it up for a short while,
>>>>>>>>>
>>>>>>>>> then puts it back in paused state.
>>>>>>>>>
>>>>>>>>> 2016-04-26 15:16:46,095 INFO [org.ovirt.engine.core.vdsbroker.VmAnalyzer]
>>>>>>>>> (DefaultQuartzScheduler_Worker-16) [157cc21e] VM '242ca0af-4ab2-4dd6-b515-5
>>>>>>>>> d435e6452c4'(api1.test.j2noc.com <http://api1.test.j2noc.com>) moved from 'Up' --> 'Paused'
>>>>>>>>> 2016-04-26 15:16:46,221 INFO [org.ovirt.engine.core.dal.dbbroker.auditlogh
>>>>>>>>> andling.AuditLogDirector] (DefaultQuartzScheduler_Worker-16) [157cc21e] Cor
>>>>>>>>> relation ID: null, Call Stack: null, Custom Event ID: -1, Message: VM api1.
>>>>>>>>> test.j2noc.com <http://test.j2noc.com>  has been paused.
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> Why does the engine think the VMs are paused?
>>>>>>>>> Attached engine.log.
>>>>>>>>>
>>>>>>>>> I can fix the problem by powering off the VM then starting it back up.
>>>>>>>>> But the VM is working fine! How do I get ovirt to realize that?
>>>>>>>> If this is an issue in engine, restarting engine may fix this.
>>>>>>>> but having this problem only with one node, I don't think this is the issue.
>>>>>>>>
>>>>>>>> If this is an issue in vdsm, restarting vdsm may fix this.
>>>>>>>>
>>>>>>>> If this does not help, maybe this is libvirt issue? did you try to check vm
>>>>>>>> status using virsh?
>>>>>>> this looks more likely as it seems such status is being reported
>>>>>>> logs would help, vdsm.log at the very least.
>>>>>>>
>>>>>>>> If virsh thinks that the vms are paused, you can try to restart libvirtd.
>>>>>>>>
>>>>>>>> Please file a bug about this in any case with engine and vdsm logs.
>>>>>>>>
>>>>>>>> Adding Michal in case he has better idea how to proceed.
>>>>>>>>
>>>>>>>> Nir
>>>>>> Users at ovirt.org
>>>>>> http://lists.ovirt.org/mailman/listinfo/users
>>>>
>>>> <engine.log-20160421.gz><vdsm.logs.tar.gz>
>>>
>>
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