Backup über snapshot: Unterschied zwischen den Versionen
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| − | *https://blog.aurka.com/backups-mit-externen-snapshots-mittels-kvm-unter-ubuntu-1404. | + | *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
- 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
- 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