[one-users] issue with LVM storage

Thu Oct 27 02:35:06 PDT 2011

Hello Prakhar,

are you still experiencing this issue? It looks like a system setup problem.
Do you have any further information on this problem?

Regards,
Jaime

On Tue, Jun 21, 2011 at 5:28 PM, Prakhar Srivastava
<prakhar.apj at gmail.com>wrote:

> Hi,
> When I try to create to VM on a cluster node using tm_lvm mode. I get the
> following error.
>
> Tue Jun 21 19:50:24 2011 [DiM][I]: New VM state is ACTIVE.
> Tue Jun 21 19:50:24 2011 [LCM][I]: New VM state is PROLOG.
> Tue Jun 21 20:03:46 2011 [TM][I]: tm_clone.sh:
> iCloud:/srv/cloud/one/var//images/56cee3989f620fc82e2af24ed4aeffcdc84b125b
> 192.168.145.105:/srv/cloud/one/var//211/images/disk.0
> Tue Jun 21 20:03:46 2011 [TM][I]: tm_clone.sh: DST:
> /srv/cloud/one/var//211/images/disk.0
> Tue Jun 21 20:03:46 2011 [TM][I]: tm_clone.sh: Creating directory
> /srv/cloud/one/var//211/images
> Tue Jun 21 20:03:46 2011 [TM][I]: tm_clone.sh: Executed "/usr/bin/ssh
> 192.168.145.105 mkdir -p /srv/cloud/one/var//211/images".
> Tue Jun 21 20:03:46 2011 [TM][I]: tm_clone.sh: Creating LV lv-one-211-0
> Tue Jun 21 20:03:46 2011 [TM][I]: tm_clone.sh: Executed "/usr/bin/ssh
> 192.168.145.105 /usr/bin/sudo /sbin/lvcreate -L1G -n lv-one-211-0 one-data".
> Tue Jun 21 20:03:46 2011 [TM][I]: tm_clone.sh: Executed "/usr/bin/ssh
> 192.168.145.105 ln -s /dev/one-data/lv-one-211-0
> /srv/cloud/one/var//211/images/disk.0".
> Tue Jun 21 20:03:46 2011 [TM][I]: tm_clone.sh: Dumping Image
> Tue Jun 21 20:03:46 2011 [TM][I]: tm_clone.sh: Executed "eval cat
> /srv/cloud/one/var//images/56cee3989f620fc82e2af24ed4aeffcdc84b125b |
> /usr/bin/ssh 192.168.145.105 /usr/bin/sudo /bin/dd
> of=/dev/one-data/lv-one-211-0 bs=64k".
> Tue Jun 21 20:04:00 2011 [TM][I]: tm_mkswap.sh: Creating 1024Mb image in
> /srv/cloud/one/var//211/images/disk.1
> Tue Jun 21 20:04:00 2011 [TM][I]: tm_mkswap.sh: Executed "/usr/bin/ssh
> 192.168.145.105 mkdir -p /srv/cloud/one/var//211/images".
> Tue Jun 21 20:04:00 2011 [TM][I]: tm_mkswap.sh: Executed "/usr/bin/ssh
> 192.168.145.105 /bin/dd if=/dev/zero
> of=/srv/cloud/one/var//211/images/disk.1 bs=1 count=1 seek=1024M".
> Tue Jun 21 20:04:00 2011 [TM][I]: tm_mkswap.sh: Initializing swap space
> Tue Jun 21 20:04:00 2011 [TM][I]: tm_mkswap.sh: Executed "/usr/bin/ssh
> 192.168.145.105 /sbin/mkswap /srv/cloud/one/var//211/images/disk.1".
> Tue Jun 21 20:04:00 2011 [TM][I]: tm_mkswap.sh: Executed "/usr/bin/ssh
> 192.168.145.105 chmod a+w /srv/cloud/one/var//211/images/disk.1".
> Tue Jun 21 20:04:06 2011 [TM][I]: tm_context.sh: Executed "mkdir -p
> /srv/cloud/one/var/c1799edd687e76f8d944d8aaa4f4ff71/isofiles".
> Tue Jun 21 20:04:06 2011 [TM][I]: tm_context.sh: Executed "cp -R
> /srv/cloud/one/var/211/context.sh
> /srv/cloud/one/var/c1799edd687e76f8d944d8aaa4f4ff71/isofiles".
> Tue Jun 21 20:04:06 2011 [TM][I]: tm_context.sh: Executed "cp -R
> /home/cloud/opennebula/images/init.sh
> /srv/cloud/one/var/c1799edd687e76f8d944d8aaa4f4ff71/isofiles".
> Tue Jun 21 20:04:06 2011 [TM][I]: tm_context.sh: Executed "cp -R
> /root/.ssh/id_dsa.pub
> /srv/cloud/one/var/c1799edd687e76f8d944d8aaa4f4ff71/isofiles".
> Tue Jun 21 20:04:06 2011 [TM][I]: tm_context.sh: Executed "/usr/bin/mkisofs
> -o /srv/cloud/one/var/c1799edd687e76f8d944d8aaa4f4ff71/disk.2 -J -R
> /srv/cloud/one/var/c1799edd687e76f8d944d8aaa4f4ff71/isofiles".
> Tue Jun 21 20:04:06 2011 [TM][I]: tm_context.sh: Executed "/usr/bin/scp
> /srv/cloud/one/var/c1799edd687e76f8d944d8aaa4f4ff71/disk.2 192.168.145.105:
> /srv/cloud/one/var//211/images/disk.2".
> Tue Jun 21 20:04:06 2011 [TM][I]: tm_context.sh: Executed "rm -rf
> /srv/cloud/one/var/c1799edd687e76f8d944d8aaa4f4ff71".
> Tue Jun 21 20:04:06 2011 [LCM][I]: New VM state is BOOT
> Tue Jun 21 20:04:06 2011 [VMM][I]: Generating deployment file:
> /srv/cloud/one/var/211/deployment.0
> Tue Jun 21 20:04:19 2011 [VMM][I]: Command execution fail: 'if [ -x
> "/var/tmp/one/vmm/xen/deploy" ]; then /var/tmp/one/vmm/xen/deploy
> /srv/cloud/one/var//211/images/deployment.0; else
>    exit 42; fi'
> Tue Jun 21 20:04:19 2011 [VMM][I]: STDERR follows.
> Tue Jun 21 20:04:19 2011 [VMM][I]: Error: Device 51712 (vbd) could not be
> connected. /dev/dm-0 does not exist.
> Tue Jun 21 20:04:19 2011 [VMM][I]: ExitCode: 1
> *Tue Jun 21 20:04:19 2011 [VMM][E]: Error deploying virtual machine:
> Error: Device 51712 (vbd) could not be connected. /dev/dm-0 does not exist.
> *
> Tue Jun 21 20:04:19 2011 [DiM][I]: New VM state is FAILED
> Tue Jun 21 20:04:31 2011 [TM][W]: Ignored: LOG - 211 tm_delete.sh: Deleting
> remote LVs
>
> Tue Jun 21 20:04:31 2011 [TM][W]: Ignored: LOG - 211 tm_delete.sh: Executed
> "/usr/bin/ssh 192.168.145.105 /usr/bin/sudo /sbin/lvremove -f $(echo
> one-data/$(/usr/bin/sudo /sbin/lvs --noheadings one-data|awk '{print
> $1}'|grep lv-one-211))".
>
> Tue Jun 21 20:04:31 2011 [TM][W]: Ignored: LOG - 211 tm_delete.sh: Deleting
> /srv/cloud/one/var//211/images
>
> Tue Jun 21 20:04:31 2011 [TM][W]: Ignored: LOG - 211 tm_delete.sh: Executed
> "/usr/bin/ssh 192.168.145.105 rm -rf /srv/cloud/one/var//211/images".
>
> Tue Jun 21 20:04:31 2011 [TM][W]: Ignored: TRANSFER SUCCESS 211 -
>
> When I check the cluster node for the /dev/dm-0, the device mapper for the
> logical volume created during VM creation, it shows me that /dev/dm-0 is
> present.
>
> Hope someone could throw some light on this error.
>
> Regards,
> Prakhar
>
>
> _______________________________________________
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>
>

-- 
Jaime Melis
Project Engineer
OpenNebula - The Open Source Toolkit for Cloud Computing
www.OpenNebula.org | jmelis at opennebula.org
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