[one-users] Open Nebula unable to delete the snapshot of a VM

[Jaime Melis]

Hi Italo,

that is weird. Can you paste the output of 'lvs' ?

regards,
Jaime

On Thu, Sep 2, 2010 at 6:16 PM, Italo Madalozo <italo.madalozo at gmail.com> wrote:
> Hi Jaime,
> thanks for the reply. /images is not a path it is the name of the VG, first
> I tried /dev/images and it did not work, when I change to /images it works.
> But it can not delete the snapshots afterwards.
> Cheers
> Italo
>
> On 2 September 2010 15:59, Jaime Melis <j.melis at fdi.ucm.es> wrote:
>>
>> Hi Italo,
>>
>> it looks like $VG_NAME contains "/images", but it shouldn't be a path,
>> it should be the name of the volume group that LVM uses to create LVs.
>>
>> Try changing that to "images", by editing tm_lvmrc.
>>
>> cheers,
>> Jaime
>>
>> On Wed, Sep 1, 2010 at 5:30 PM, Italo Madalozo <italo.madalozo at gmail.com>
>> wrote:
>> > Hi,
>> > I have been trying Open Nebula for a  couple of weeks now and so far it
>> > works great, one of the complex steps of building the cloud is the
>> > storage.
>> > After reading about LVM on the website and then from the mailing list I
>> > managed to get it working , VG_NAME=/images, and now I can instance many
>> > virtual machines to the pool within seconds or minutes without having
>> >  to
>> > clone (wasting storage) the images or wasting bandwidth  transferring
>> > from
>> > the front end to the nodes.
>> > Now the problem I am facing is that the lvm/tm_delete.sh script can't
>> > manage
>> > to delete the snapshots created by lvm/clone.sh. I have tried onevm $ID
>> > delete,shutdown and cancel as recommended in a previous thread but none
>> > of
>> > them worked.
>> > This is the log output:
>> > Wed Sep  1 16:20:47 2010 [InM][I]: Monitoring host 192.168.1.4 (5)
>> > Wed Sep  1 16:20:47 2010 [VMM][D]: Message received: LOG - 62 Driver
>> > command
>> > for 62 cancelled
>> > Wed Sep  1 16:20:47 2010 [TM][D]: Message received: LOG - 62 Command
>> > execution fail: /srv/cloud/one/lib/tm_commands/lvm/tm_delete.sh
>> > 192.168.1.4:/srv/cloud/one/var/62/images
>> > Wed Sep  1 16:20:47 2010 [TM][D]: Message received: LOG - 62 STDERR
>> > follows.
>> > Wed Sep  1 16:20:47 2010 [TM][D]: Message received: LOG - 62 ERROR
>> > MESSAGE
>> > --8<------
>> > Wed Sep  1 16:20:47 2010 [TM][D]: Message received: LOG - 62 "/images":
>> > Invalid path for Logical Volume
>> > Wed Sep  1 16:20:47 2010 [TM][D]: Message received: LOG - 62 "/images/":
>> > Invalid path for Logical Volume
>> > Wed Sep  1 16:20:47 2010 [TM][D]: Message received: LOG - 62 ERROR
>> > MESSAGE
>> > ------>8--
>> > Wed Sep  1 16:20:47 2010 [TM][D]: Message received: LOG - 62 ExitCode: 5
>> > Wed Sep  1 16:20:47 2010 [TM][D]: Message received: LOG - 62
>> > tm_delete.sh:
>> > Deleting remote LVs
>> > Wed Sep  1 16:20:47 2010 [TM][D]: Message received: LOG - 62
>> > tm_delete.sh:
>> > ERROR: Command "ssh 192.168.1.4 sudo lvremove -f $(echo /images/$(sudo
>> > lvs
>> > --noheadings /images|awk '{print $1}'|grep lv-one-62))" failed.
>> > Wed Sep  1 16:20:47 2010 [TM][D]: Message received: LOG - 62
>> > tm_delete.sh:
>> > ERROR:   "/images": Invalid path for Logical Volume
>> > Wed Sep  1 16:20:47 2010 [TM][D]: Message received: LOG - 62 "/images/":
>> > Invalid path for Logical Volume
>> > Wed Sep  1 16:20:47 2010 [TM][D]: Message received: TRANSFER FAILURE 62
>> > "/images": Invalid path for Logical Volume
>> > Wed Sep  1 16:20:47 2010 [TM][D]: Message received:   "/images/":
>> > Invalid
>> > path for Logical Volume
>> > Wed Sep  1 16:20:48 2010 [VMM][D]: Message received: CANCEL SUCCESS 62 -
>> > Wed Sep  1 16:20:51 2010 [InM][D]: Host 5 successfully monitored.
>> >
>> > After checking the script tm_delete.sh I see everything is fine , so I
>> > don't
>> > understand why instead of /dev/images one is looking for /images/.
>> > Italo
>> > _______________________________________________
>> > Users mailing list
>> > Users at lists.opennebula.org
>> > http://lists.opennebula.org/listinfo.cgi/users-opennebula.org
>> >
>> >
>
>