[libvirt-users] snapshot anomaly

[Doug Hughes]

Oddly, the physical file did not exist. I'm not sure it ever did? (no
proof one way or another on that)


On 8/23/2017 11:09 AM, Sakhi Hadebe wrote:
> I had the same problem yesterday. I found the solution from this
> article
> https://kashyapc.fedorapeople.org/virt/lc-2012/snapshots-handout.html.
> According to the article it deletes the tracking metadata by libvirt.
>
> You can physically remove the snapshot now that there is no tracking
> stream data by libvirt
>
> On Wed, Aug 23, 2017 at 4:56 PM, Doug Hughes
> <doug.hughes at keystonenap.com <mailto:doug.hughes at keystonenap.com>> wrote:
>
>     THat did it! Can you esplain what was going on and how that fixed
>     it? Thanks
>
>
>     On 8/23/2017 10:50 AM, Sakhi Hadebe wrote:
>>     Hi,
>>
>>     Can you try this command:
>>     virsh snapshot-delete serv1r2 snap --metadata
>>
>>
>>
>>
>>     On Wed, Aug 23, 2017 at 4:41 PM, Doug Hughes
>>     <doug.hughes at keystonenap.com
>>     <mailto:doug.hughes at keystonenap.com>> wrote:
>>
>>         I'm not sure how this snapshot got created, but, I cannot
>>         delete it, and its presence prevents me from creating other
>>         snapshots. I don't know if it was created by a command gone
>>         amok or something else.
>>
>>         # virsh snapshot-list serv1r2
>>          Name                 Creation Time             State
>>         ------------------------------------------------------------
>>          snap                 2017-01-30 17:01:11 -0500 shutoff
>>
>>         # virsh snapshot-delete serv1r2 snap --disk-only
>>         error: command 'snapshot-delete' doesn't support option
>>         --disk-only
>>
>>         # virsh snapshot-dumpxml serv1r2 snap
>>         <domainsnapshot>
>>           <name>snap</name>
>>           <state>shutoff</state>
>>           <creationTime>1485813671</creationTime>
>>           <memory snapshot='no'/>
>>           <disks>
>>             <disk name='vda' snapshot='external' type='file'>
>>               <driver type='qcow2'/>
>>               <source
>>         file='/*var/lib/libvirt/images/serv1r2-savesnap.qcow2'/*>
>>             </disk>
>>             <disk name='fda' snapshot='no'/>
>>             <disk name='hda' snapshot='no'/>
>>           </disks>
>>
>>         #  ls -l /var/lib/libvirt/images/serv1r2-savesnap.qcow2
>>         ls: cannot access
>>         /var/lib/libvirt/images/serv1r2-savesnap.qcow2: No such file
>>         or directory
>>
>>         # virsh snapshot-create-as --domain serv1r2 snap --diskspec
>>         vda,file=/var/lib/libvirt/flashimages/serv1r2-snap.qcow2 
>>         --disk-only --atomic --no-metadata --quiesce
>>         error: internal error: unexpected domain snapshot snap
>>         already exists
>>
>>         # virsh snapshot-revert serv1r2 snap
>>         error: unsupported configuration: revert to external snapshot
>>         not supported yet
>>
>>         Any idea for breaking out of this box?
>>
>>
>>
>>         -- 
>>         Doug Hughes
>>         Keystone NAP
>>         Fairless Hills, PA
>>         1.844.KEYBLOCK (539.2562) 	
>>
>>
>>         _______________________________________________
>>         libvirt-users mailing list
>>         libvirt-users at redhat.com <mailto:libvirt-users at redhat.com>
>>         https://www.redhat.com/mailman/listinfo/libvirt-users
>>         <https://www.redhat.com/mailman/listinfo/libvirt-users>
>>
>>
>>
>>
>>     -- 
>>     Regards,
>>     Sakhi Hadebe
>>     Engineer: South African National Research Network
>>     (SANReN)Competency Area, Meraka, CSIR Tel: +27 12 841 2308
>>     <tel:+27128414213> Fax: +27 12 841 4223 <tel:+27128414223> Cell:
>>     +27 71 331 9622 <tel:+27823034657> Email: sakhi at sanren.ac.za
>>     <mailto:shadebe at csir.co.za>
>
>     -- 
>     Doug Hughes
>     Keystone NAP
>     Fairless Hills, PA
>     1.844.KEYBLOCK (539.2562) 	
>
>
>
>
> -- 
> Regards,
> Sakhi Hadebe
> Engineer: South African National Research Network (SANReN)Competency
> Area, Meraka, CSIR Tel: +27 12 841 2308 <tel:+27128414213> Fax: +27 12
> 841 4223 <tel:+27128414223> Cell: +27 71 331 9622 <tel:+27823034657>
> Email: sakhi at sanren.ac.za <mailto:shadebe at csir.co.za>

-- 
Doug Hughes
Keystone NAP
Fairless Hills, PA
1.844.KEYBLOCK (539.2562) 	

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://listman.redhat.com/archives/libvirt-users/attachments/20170823/ab5ea641/attachment.htm>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: keystone-nap.png
Type: image/png
Size: 3476 bytes
Desc: not available
URL: <http://listman.redhat.com/archives/libvirt-users/attachments/20170823/ab5ea641/attachment.png>