Difference between revisions of "Virsh blockcommit"
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↑ https://wiki.libvirt.org/page/Live-disk-backup-with-active-blockcommit
↑ https://github.com/milkey-mouse/backup-vm/issues/17#issuecomment-547843000
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</pre> | </pre> | ||
| − | Use: <code>[[ | + | Use: <code>[[virsh domblklist]] --details</code> to find your block name. |
Revision as of 04:20, 7 January 2020
virsh blockcommit domain path [bandwidth] [--bytes] [base] [--shallow] [top] [--delete] [--keep-relative] [--wait [--async] [--verbose]] [--timeout seconds] [--active] [{--pivot | --keep-overlay}]
Requires at least QEMU 2.1 and libvirt-1.2.9.[1]
Review your security_driver configuration in /ect/libvirt/qemu.conf. You may need to change it to none to allow virsh blockcommit
security_driver = "none"[2]
Options:
--activeto trigger a two-phase active commit--pivotmaking base the new active image and invalidating top--wait--verbose
Examples
virsh blockcommit MY_DOMAIN_NAME vda --active --pivot Successfully pivoted
virsh blockcommit MY_DOMAIN_NAME vda --active --pivot Commit aborted
virsh blockcommit MY_DOMAIN_NAME vda --active --pivot --wait --verbose Block commit: [ 22 %] Successfully pivoted
virsh blockcommit MY_DOMAIN_NAME hda --active --pivot error: invalid argument: top '/path/to/libvirt/MY_DOMAIN_NAME.qcow2' in chain for 'hda' has no backing file
Use: virsh domblklist --details to find your block name.
Journalctl errors
- libvirtd[14189]: 2019-11-21 15:08:13.035+0000: 14192: error : qemuDomainBlockCommit:17568 : invalid argument: top '/path/to/file/VM_NAME.qcow2' in chain for 'hda' has no backing file
Activities
- Create a KVM Live backup using
virsh snapshot-create-asandvirsh blockcommit
See also
virsh blockcopy,virsh blockjob,virsh blockcommit,virsh domblklist,virsh blockresize,virsh blockpullvirsh domblklistvirsh console
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