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Hi,

Thanks for the reply.

Yes, I've gone through the document. Volume creation and deletion are 
working perfectly fine. When I run "iscsiadm -m discovery -t st -p 
volume_node" on the compute node, I can see the volumes. But somehow the 
compute node is being misinformed about the volume node after giving the 
attach command.

I'm not using iscsitarget as per that document. Installation of 
nova-volume on ubuntu precise automatically took care of it using tgt.

Kind Regards,
Shashank Sahni

On 05/14/2012 07:34 PM, raja.meena at wipro.com wrote:
>
> Hi Shashank ,
>
> I preassume that the steps outlined in the link below has been followed.
>
> http://docs.openstack.org/trunk/openstack-compute/admin/content/managing-volumes.html
>
> Thanks
>
> Meena Raja
>
> *From:*openstack-bounces+raja.meena=wipro.com at lists.launchpad.net 
> [mailto:openstack-bounces+raja.meena=wipro.com at lists.launchpad.net] 
> *On Behalf Of *Shashank Sahni
> *Sent:* Monday, May 14, 2012 6:23 PM
> *To:* Razique Mahroua
> *Cc:* openstack at lists.launchpad.net
> *Subject:* Re: [Openstack] Problem with attaching disks to an instance
>
> Hi,
>
> I set this option in the configuration files of both compute and 
> controller. Restarted the service, but unfortunately same result.
>
> Regards,
> Shashank Sahni
>
> On 05/14/2012 05:58 PM, Razique Mahroua wrote:
>
> Hi,
> do you have the flag iscsi_ip_prefix configured in your nova.conf ?
> Razique
>
>
> *Shashank Sahni* <mailto:shredder12 at linuxers.org>
>
> 14 mai 2012 14:22
>
> Hi everyone,
>
> I'm trying to configure a multi-node installation. Here is a brief 
> overview.
>
> 1) controller - api+network+scheduler+novnc+glance+keystone (nova.conf 
> - http://paste.openstack.org/show/17470/)
> 2) compute node (nova.conf - http://paste.openstack.org/show/17469)
> 3) volume node(single)
>
> Compute and vnc are working fine. I'm able to create and delete 
> volumes. Iscsi discovery from the compute nodes is working too. But 
> when I try to attach a volume, the compute node tries to connect to 
> the controller node instead of volume and hence crashes with the 
> following error.
>
> 2012-05-14 17:32:13 TRACE nova.rpc.amqp ProcessExecutionError: 
> Unexpected error while running command.
> 2012-05-14 17:32:13 TRACE nova.rpc.amqp Command: sudo nova-rootwrap 
> iscsiadm -m node -T iqn.2010-10.org.openstack:volume-00000003 -p 
> controller:3260 --rescan
> 2012-05-14 17:32:13 TRACE nova.rpc.amqp Exit code: 255
> 2012-05-14 17:32:13 TRACE nova.rpc.amqp Stdout: ''
> 2012-05-14 17:32:13 TRACE nova.rpc.amqp Stderr: 'iscsiadm: No portal 
> found.\n'
>
> Any suggestions?
>
> Kind Regards,
> Shashank Sahni
>
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> Nuage & Co - Razique Mahroua
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