Re: Remove volume

<yalla.gnan.kumar@xxxxxxxxxxxxx> · Thu, 13 Mar 2014 07:18:21 +0000

Hi Jean,

I have deleted all images from openstack.  Glance list has no images.

--------

root@compute:/home/oss# rbd -p images snap ls 0c605116-0634-4aed-9b3f-12d9483cd38a
SNAPID NAME     SIZE
     2 snap 12839 kB
root@compute:/home/oss# rbd -p images snap purge 0c605116-0634-4aed-9b3f-12d9483cd38a
Removing all snapshots: 0% complete...failed.
rbd: removing snaps failed: (16) Device or resource busy
2014-03-13 04:38:53.425980 7fb824b6f780 -1 librbd: removing snapshot from header failed: (16) Device or resource busy
root@compute:/home/oss#
------------

How to delete the images ? Does restarting ceph services help ?

Thanks
Kumar

From: Jean-Charles Lopez [mailto:jc.lopez@xxxxxxxxxxx]

Sent: Thursday, March 13, 2014 12:44 PM

To: Gnan Kumar, Yalla

Cc: ceph-users@xxxxxxxxxxxxxx

Subject: Re:  Remove volume

Hi

Probably because you have snapshots mapped somewhere on a node or because you have cloned some images from snapshot which are protected to deploy VMs.

This will prevent the deletion of the snapshots in both cases

JC

On Thursday, March 13, 2014, <yalla.gnan.kumar@xxxxxxxxxxxxx> wrote:

Hi Jean,

Thanks a lot.

I have  the following images in ‘ images’ pool:
--------

root@compute:/home/oss# rbd -p images ls
0c605116-0634-4aed-9b3f-12d9483cd38a
9f1a5bdc-3450-4934-99b3-d1b834ad9592
b16aac0e-621f-4f36-a027-39c86d28011f

When I try deleting them I get this error:
----------

root@compute:/home/oss# rbd -p images rm 0c605116-0634-4aed-9b3f-12d9483cd38a
2014-03-13 04:28:19.455049 7f751275e780 -1 librbd: image has snapshots - not removing
Removing image: 0% complete...failed.
rbd: image has snapshots - these must be deleted with 'rbd snap purge' before the image can be removed.

When I try deleting the snaps , I face the following error:
--------

root@compute:/home/oss# rbd -p images snap purge 0c605116-0634-4aed-9b3f-12d9483cd38a
Removing all snapshots: 0% complete...failed.
rbd: removing snaps failed: (16) Device or resource busy
2014-03-13 04:31:39.512199 7f1ac4134780 -1 librbd: removing snapshot from header failed: (16) Device or resource busy

How to delete the images ?

Thanks
Kumar

From: Jean-Charles Lopez [mailto:jc.lopez@xxxxxxxxxxx]

Sent: Thursday, March 13, 2014 12:37 PM

To: Gnan Kumar, Yalla

Cc: 
ceph-users@xxxxxxxxxxxxxx

Subject: Re:  Remove volume

Hi

rbd -p <poolname> rm <imagename>

e.g. rbd -p volumes rm volume-55abf0d4-01a7-41d0-9e7e-407ad0db213c

http://ceph.com/docs

JC

On Wednesday, March 12, 2014, <yalla.gnan.kumar@xxxxxxxxxxxxx> wrote:

Hi All,

I have ceph installed on Ubuntu nodes. At present I have the following volumes in Volumes pool:
---------

root@compute:/home/oss# rbd -p volumes ls
volume-53f0dc29-956f-48f1-8db1-b0f9c1b0e9f1
volume-55abf0d4-01a7-41d0-9e7e-407ad0db213c
volume-a73d1bd0-2937-41c4-bbca-2545454eefac
volume-bd45af55-489f-4d09-bc14-33229c1e3096
volume-cb11564f-7550-4e23-8197-4f8af09e506c
volume-f3f67d69-8ac3-41a9-8001-4a2b512af933

What is the command to delete the above volumes ?

Thanks
Kumar

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