Virsh Snapshot und Backup

Liste Maschinen

• virsh list

 Id    Name                           State
----------------------------------------------------
 13    nog                            running
 16    crass                          running

Liste Snapshots

• virsh snapshot-list crass

 Name                 Creation Time             State
------------------------------------------------------------

Zeige aktives Image

• grep "source file" /etc/libvirt/qemu/crass.xml

     source file='/b-one/kvm/crass.img'

Erzeuge einen Snapshot

• virsh snapshot-create-as crass 1 "crass-1" --disk-only --atomic

Zeige aktives Image

• grep "source file" /etc/libvirt/qemu/crass.xml

     source file='/b-one/kvm/crass.1'

Blockpull image

• virsh blockpull --wait --domain crass /b-one/kvm/crass.1
• virsh snapshot list

virsh snapshot-list crass
Name                 Creation Time             State
------------------------------------------------------------
1                    2013-03-21 23:50:03 +0100 disk-snapshot

Lösche Snapshot

• virsh snapshot-delete crass 1 --metadata

Domain snapshot 1 deleted

Backup Image

• cp /b-one/kvm/crass.img /bucket-save/