where do I find the recovery files?

[root@ovirt1 test vdsm]# pwd
/var/lib/vdsm
[root@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@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@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@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.ja...@j2.com <mailto:bill.ja...@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.ja...@j2.com> wrote:

thank you for response.
I bold-ed the ones that are listed as "paused".


[root@ovirt1 test vdsm]# virsh -r list --all
 Id   Name                          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)? logs indicate a problem when vdsm talks to libvirt(all those "monitor become unresponsive”)

It does seem that at that time you started to have some storage connectivity issues - first one at 2016-04-17 20:06:53,929. And it doesn’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 “monitor unresponsive”)

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 not…then I would suspect the “vm recovery” 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.ja...@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 —all

[root@ovirt1 test vdsm]# systemctl status libvirtd
● libvirtd.service - Virtualization daemon
   Loaded: loaded (/usr/lib/systemd/system/libvirtd.service; enabled; vendor 
preset: enabled)
  Drop-In: /etc/systemd/system/libvirtd.service.d
           └─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@ovirt1 test vdsm]# systemctl status vdsmd
● 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 it’s too short interval, it only shows 
recovery(vdsm restart) phase when the VMs are identified as paused….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<nsof...@redhat.com>  wrote:

jjOn Wed, Apr 27, 2016 at 2:03 AM, Bill James<bill.ja...@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@ovirt.org
http://lists.ovirt.org/mailman/listinfo/users

<engine.log-20160421.gz><vdsm.logs.tar.gz>


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