openstack team mailing list archive

[Steve Heistand <steve.heistand@xxxxxxxx>]

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I have noticed in grizzly that sometimes the actual iscsi device is still
logged in on the compute node where the VM is.
This has caused the issue you described, running an iscsiadm --logout on the device
makes it go back to normal.

s


On 05/02/2013 07:28 AM, Eric_E_Smith@xxxxxxxx wrote:
> Has anyone seen this issue in Folsom?
> 
> -----Original Message----- From: B, Vivekanandan (HP Software (BLR))
> [mailto:vivekanandan.bangarusamy@xxxxxx] Sent: Thursday, May 02, 2013 8:59 AM To:
> Smith, Eric E; openstack@xxxxxxxxxxxxxxxxxxx Subject: RE: Cinder - attach / detach /
> reattach fails
> 
> 
> Hi,
> 
> I tried the same on my Grizzly setup and I was able to add the same volume back with
> the same device file name.
> 
> 
> ~Vivek
> 
> -----Original Message----- From: Openstack
> [mailto:openstack-bounces+bvivek=hp.com@xxxxxxxxxxxxxxxxxxx] On Behalf Of
> Eric_E_Smith@xxxxxxxx Sent: Thursday, May 02, 2013 6:29 PM To:
> openstack@xxxxxxxxxxxxxxxxxxx Subject: Re: [Openstack] Cinder - attach / detach /
> reattach fails
> 
> A little more information, I've discovered that this only happens if I reuse the
> previous device (/dev/vdc in this instance).  If I use the next device (/dev/vdd) the
> attachment works fine.
> 
> -----Original Message----- From: Openstack
> [mailto:openstack-bounces+eric_e_smith=dell.com@xxxxxxxxxxxxxxxxxxx] On Behalf Of
> Smith, Eric E Sent: Thursday, May 02, 2013 7:42 AM To: openstack@xxxxxxxxxxxxxxxxxxx 
> Subject: [Openstack] Cinder - attach / detach / reattach fails
> 
> Is this a bug perhaps?  I have a volume and a VM, I can attach the volume to the VM
> and see the disk with fdisk -l, I can detach the volume and see it is missing.  When
> I try to reattach the volume I get the following error:
> 
> May  2 12:18:01 compute-4 ERROR nova.compute.manager [instance:
> 4fcd874f-f8e5-4a08-9745-838b0636bd83]  Failed to attach volume
> 2e307a3d-3635-432d-99ed-6e8ddddf5792 at /dev/vdc 0122013-05-02 12:18:01,209 30214
> TRACE nova.compute.manager [instance: 4fcd874f-f8e5-4a08-9745-838b0636bd83] Traceback
> (most recent call last): 0122013-05-02 12:18:01,209 30214 TRACE nova.compute.manager
> [instance: 4fcd874f-f8e5-4a08-9745-838b0636bd83]   File
> "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 2039, in
> _attach_volume 0122013-05-02 12:18:01,209 30214 TRACE nova.compute.manager [instance:
> 4fcd874f-f8e5-4a08-9745-838b0636bd83]     mountpoint) 0122013-05-02 12:18:01,209
> 30214 TRACE nova.compute.manager [instance: 4fcd874f-f8e5-4a08-9745-838b0636bd83]
> File "/usr/lib/python2.7/dist-packages/nova/exception.py", line 104, in wrapped 
> 0122013-05-02 12:18:01,209 30214 TRACE nova.compute.manager [instance:
> 4fcd874f-f8e5-4a08-9745-838b0636bd83]     temp_level, payload) 0122013-05-02
> 12:18:01,209 30214 TRACE nova.compute.manager [instance:
> 4fcd874f-f8e5-4a08-9745-838b0636bd83]   File "/usr/lib/python2.7/contextlib.py", line
> 24, in __exit__ 0122013-05-02 12:18:01,209 30214 TRACE nova.compute.manager
> [instance: 4fcd874f-f8e5-4a08-9745-838b0636bd83]     self.gen.next() 0122013-05-02
> 12:18:01,209 30214 TRACE nova.compute.manager [instance:
> 4fcd874f-f8e5-4a08-9745-838b0636bd83]   File
> "/usr/lib/python2.7/dist-packages/nova/exception.py", line 79, in wrapped 
> 0122013-05-02 12:18:01,209 30214 TRACE nova.compute.manager [instance:
> 4fcd874f-f8e5-4a08-9745-838b0636bd83]     return f(*args, **kw) 0122013-05-02
> 12:18:01,209 30214 TRACE nova.compute.manager [instance:
> 4fcd874f-f8e5-4a08-9745-838b0636bd83]   File
> "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 673, in
> attach_volume 0122013-05-02 12:18:01,209 30214 TRACE nova.compute.manager [instance:
> 4fcd874f-f8e5-4a08-9745-838b0636bd83]     mount_device)
> 
> Does anyone else have this issue?
> 
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- -- 
************************************************************************
 Steve Heistand                          NASA Ames Research Center
 email: steve.heistand@xxxxxxxx          Steve Heistand/Mail Stop 258-6
 ph: (650) 604-4369                      Bldg. 258, Rm. 232-5
 Scientific & HPC Application            P.O. Box 1
 Development/Optimization                Moffett Field, CA 94035-0001
************************************************************************
 "Any opinions expressed are those of our alien overlords, not my own."

# For Remedy                        #
#Action: Resolve                    #	
#Resolution: Resolved               #
#Reason: No Further Action Required #
#Tier1:	User Code                   #
#Tier2:	Other                       #
#Tier3:	Assistance                  #
#Notification: None                 #
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