Re: snapshot anomaly

Doug Hughes <doug.hughes@xxxxxxxxxxxxxxx> · Wed, 23 Aug 2017 10:56:28 -0400



    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@xxxxxxxxxxxxxxx>
          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)
                           
                        
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        -- 

        
                Regards,
                Sakhi Hadebe
                Engineer: South African National Research Network (SANReN)Competency Area, Meraka, CSIR
 
Tel:   +27 12 841 2308
Fax:   +27 12 841 4223
Cell:  +27 71 331 9622
Email: sakhi@xxxxxxxxxxxx

              
    -- 

      
            Doug Hughes

              Keystone NAP

              Fairless Hills, PA

              1.844.KEYBLOCK (539.2562)
            
            
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