[ovirt-users] Can HA Agent control NFS Mount?

[Andrew Lau]

Hi,

Did anyone find much luck tracking this down? I rebooted one of our servers
and hit this issue again, conveniently, the dell remote access card has
borked as well.. so a 50 minute trip to the DC..


On Thu, Jun 19, 2014 at 10:10 AM, Bob Doolittle <bobddroid at gmail.com> wrote:

>  Specifically, if do the following:
>
>    - Enter global maintenance (hosted-engine --set-maintenance-mode
>    --mode=global)
>    - init 0 the engine
>    - systemctl stop ovirt-ha-agent ovirt-ha-broker libvirtd vdmsd
>
>
> and then run "sanlock client status" I see:
>
> # sanlock client status
> daemon c715b5de-fd98-4146-a0b1-e9801179c768.xion2.smar
> p -1 helper
> p -1 listener
> p -1 status
> s 003510e8-966a-47e6-a5eb-3b5c8a6070a9:1:/rhev/data-center/mnt/xion2.smartcity.net\:_export_VM__NewDataDomain/003510e8-966a-47e6-a5eb-3b5c8a6070a9/dom_md/ids:0
> s 18eeab54-e482-497f-b096-11f8a43f94f4:1:/rhev/data-center/mnt/xion2\:_export_vm_he1/18eeab54-e482-497f-b096-11f8a43f94f4/dom_md/ids:0
> s hosted-engine:1:/rhev/data-center/mnt/xion2\:_export_vm_he1/18eeab54-e482-497f-b096-11f8a43f94f4/ha_agent/hosted-engine.lockspace:0
>
>
> Waiting a few minutes does not change this state.
>
> The earlier data I shared which showed HostedEngine was with a different
> test scenario.
>
> -Bob
>
>
> On 06/18/2014 07:53 AM, Bob Doolittle wrote:
>
> I see I have a very unfortunate typo in my previous mail. As supported by
> the vm-status output I attached, I had set --mode=global (not none) in step
> 1.
>
> I am not the only one experiencing this. I can reproduce it easily. It
> appears that shutting down vdsm causes the HA services to incorrectly think
> the system has come out of Global Maintenance and restart the engine.
>
> -Bob
> On Jun 18, 2014 5:06 AM, "Federico Simoncelli" <fsimonce at redhat.com>
> wrote:
>
>> ----- Original Message -----
>> > From: "Bob Doolittle" <bob at doolittle.us.com>
>> > To: "Doron Fediuck" <dfediuck at redhat.com>, "Andrew Lau" <
>> andrew at andrewklau.com>
>> > Cc: "users" <users at ovirt.org>, "Federico Simoncelli" <
>> fsimonce at redhat.com>
>> > Sent: Saturday, June 14, 2014 1:29:54 AM
>> > Subject: Re: [ovirt-users] Can HA Agent control NFS Mount?
>> >
>> >
>> > But there may be more going on. Even if I stop vdsmd, the HA services,
>> > and libvirtd, and sleep 60 seconds, I still see a lock held on the
>> > Engine VM storage:
>> >
>> > daemon 6f3af037-d05e-4ad8-a53c-61627e0c2464.xion2.smar
>> > p -1 helper
>> > p -1 listener
>> > p -1 status
>> > s 003510e8-966a-47e6-a5eb-3b5c8a6070a9:1:/rhev/data-center/mnt/
>> xion2.smartcity.net
>> \:_export_VM__NewDataDomain/003510e8-966a-47e6-a5eb-3b5c8a6070a9/dom_md/ids:0
>> > s
>> hosted-engine:1:/rhev/data-center/mnt/xion2\:_export_vm_he1/18eeab54-e482-497f-b096-11f8a43f94f4/ha_agent/hosted-engine.lockspace:0
>>
>> This output shows that the lockspaces are still acquired. When you put
>> hosted-engine
>> in maintenance they must be released.
>> One by directly using rem_lockspace (since it's the hosted-engine one)
>> and the other
>> one by stopMonitoringDomain.
>>
>> I quickly looked at the ovirt-hosted-engine* projects and I haven't found
>> anything
>> related to that.
>>
>> --
>> Federico
>>
>
>
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