Backup über snapshot: Unterschied zwischen den Versionen

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=Links=
 
=Links=
*https://blog.aurka.com/backups-mit-externen-snapshots-mittels-kvm-unter-ubuntu-1404.htm
+
*https://blog.aurka.com/backups-mit-externen-snapshots-mittels-kvm-unter-ubuntu-1404.html
 
*http://wiki.libvirt.org/page/Live-merge-an-entire-disk-image-chain-including-current-active-disk
 
*http://wiki.libvirt.org/page/Live-merge-an-entire-disk-image-chain-including-current-active-disk
 
*https://docs.fedoraproject.org/en-US/Fedora_Draft_Documentation/0.1/html/Virtualization_Deployment_and_Administration_Guide/sub-sect-blockpull.html
 
*https://docs.fedoraproject.org/en-US/Fedora_Draft_Documentation/0.1/html/Virtualization_Deployment_and_Administration_Guide/sub-sect-blockpull.html
 
*http://wiki.libvirt.org/page/Live-disk-backup-with-active-blockcommit
 
*http://wiki.libvirt.org/page/Live-disk-backup-with-active-blockcommit

Version vom 15. Oktober 2017, 19:00 Uhr

Welche Platten werden benutzt

  • virsh domblklist tiazel.xinux.lan
Target     Source
------------------------------------------------
vda        /var/lib/libvirt/images/tiazel.xinux.lan.qcow2

Snapshot erzeugen

  • virsh snapshot-create-as --domain tiazel.xinux.lan state1 --diskspec vda,file=/var/lib/libvirt/images/tiazel.xinux.lan.state1 --disk-only --atomic

Welche Platten werden benutzt

  • virsh domblklist tiazel.xinux.lan
Target     Source
------------------------------------------------
vda        /var/lib/libvirt/images/tiazel.xinux.lan.state1

Backup

  • rsync --progress /var/lib/libvirt/images/tiazel.xinux.lan.qcow2 /var/lib/libvirt/images/tiazel.xinux.lan-backup.qcow2

Aktiver Zustand auf das alte Image übertragen und aktiv schalten

  • virsh blockcommit tiazel.xinux.lan vda --active --verbose --pivot

Snapshot list

  • virsh snapshot-list tiazel.xinux.lan
 Name                 Creation Time             State
------------------------------------------------------------
 state1               2017-04-01 23:17:48 +0200 disk-snapshot

Snapshot löschen

  • virsh snapshot-delete tiazel.xinux.lan --metadata state1
Domain snapshot state1 deleted

Virsh Backup Scripte

Links