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

[Andrew Lau]

btw, this happened on an aborted hosted-engine install. So, the ha-agents
hadn't even started up.. just the VM running.


On Sat, Jul 19, 2014 at 11:24 PM, Andrew Lau <andrew at andrewklau.com> wrote:

> 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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