[Users] Vm's being paused

[Neil]

Hi Dan,

Sorry for only coming back to you now.
The VM's are thin provisioned. The Server 2003 VM hasn't run out of
disk space there is about 20Gigs free, and the usage barely grows as
the VM only shares printers. The other VM that paused is also on thin
provisioned disks and also has plenty space, this guest is running
Centos 6.3 64bit and only runs basic reporting.

After the 2003 guest was rebooted, the network card showed up as
unplugged in ovirt, and we had to remove it, and re-add it again in
order to correct the issue. The Centos VM did not have the same issue.

I'm concerned that this might happen to a VM that's quite critical,
any thoughts or ideas?

The only recent changes have been updating from Dreyou 3.2 to the
official Centos repo and updating to 3.3.1-2. Prior to updating I
haven't had this issue.

Any assistance is greatly appreciated.

Thank you.

Regards.

Neil Wilson.











On Sun, Jan 19, 2014 at 8:20 PM, Dan Yasny <dyasny at gmail.com> wrote:
> Do you have the VMs on thin provisioned storage or sparse disks?
>
> Pausing happens when the VM has an IO error or runs out of space on the
> storage domain, and it is done intentionally, so that the VM will not
> experience a disk corruption. If you have thin provisioned disks, and the VM
> writes to it's disks faster than the disks can grow, this is exactly what
> you will see
>
>
> On Sun, Jan 19, 2014 at 10:04 AM, Neil <nwilson123 at gmail.com> wrote:
>>
>> Hi guys,
>>
>> I've had two different Vm's randomly pause this past week and inside ovirt
>> the error received is something like 'vm ran out of storage and was paused'.
>> Resuming the vm's didn't work and I had to force them off and then on which
>> resolved the issue.
>>
>> Has anyone had this issue before?
>>
>> I realise this is very vague so if you could please let me know which logs
>> to send in.
>>
>> Thank you
>>
>> Regards.
>>
>> Neil Wilson
>>
>>
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>