[one-users] occasional error in deleting LVM images

[Shi Jin]

But after onevm shutdown, the images are removed from the disk anyway, right?
Then does it matter whether the shutdown is graceful or not?  Am I
missing something?

Thanks.
Shi

On Fri, Nov 6, 2009 at 7:47 AM, Javier Fontan <jfontan at gmail.com> wrote:
> Hello,
>
> You can add a delay in tm_delete.sh but as you say it should check for
> the VM to be dead. When you issue a delete command it deletes
> everything immediately. I encourage you to use onevm shutdown or
> cancel. The VMs should be delete more gracefully. Delete should be
> used when the VM is stuck or you want to delete a failed VM.
>
> Bye
>
> On Fri, Nov 6, 2009 at 1:54 AM, Shi Jin <jinzishuai at gmail.com> wrote:
>> Hi there,
>>
>> When I issue "onevm delete" for an image running on an LVM snapshot,
>> sometimes I will get the following error:
>> Thu Nov  5 16:52:25 2009 [TM][W]: Ignored: LOG - 45 tm_delete.sh:
>> ERROR: Command "ssh node5 sudo lvremove -f $(echo cloud/$(sudo lvs
>> --noheadings cloud|awk '{print $1}'|grep lv-one-45))" failed.
>> Thu Nov  5 16:52:25 2009 [TM][W]: Ignored: LOG - 45 tm_delete.sh:
>> ERROR:   Can't remove open logical volume "lv-one-45-0"
>>
>> This error does not happen all the time. Sometimes it works perfectly.
>>
>> I think the problem might be that this clean up script runs too fast
>> after the "virsh destroy" and the image might still be in use at the
>> time of running the script.
>> Would it be possible to add a delay in the script?
>> In the ideal case, there should be a checking loop to make sure the VM
>> is completely destroyed before any clean up job.
>>
>> I think we have the similar issue for the ebtables-done/delete hooks.
>>
>> Thanks.
>>
>> --
>> Shi Jin, Ph.D.
>> _______________________________________________
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>> Users at lists.opennebula.org
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>>
>
>
>
> --
> Javier Fontan, Grid & Virtualization Technology Engineer/Researcher
> DSA Research Group: http://dsa-research.org
> Globus GridWay Metascheduler: http://www.GridWay.org
> OpenNebula Virtual Infrastructure Engine: http://www.OpenNebula.org
>



-- 
Shi Jin, Ph.D.