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dm_snapshot
2020 Jul 11
1
Help with external snapshots as backups
...a crash, then use this original image backup and the
snapshots to restore it?
I suppose I would also periodically merge the snapshots back into the a
single snapshot to ease the process?
# virsh snapshot-create-as --domain dave-win10a win10a-state01
--diskspec
vda,file=/var/lib/libvirt/images/vm_snapshots/disk-overlay.qcow2,snapshot=external
--memspec
file=/var/lib/libvirt/images/vm_snapshots/mem-overlay.qcow2,snapshot=external
--atomic
Domain snapshot win10a-state01 created
# ls -lh vm_snapshots/
total 3.3G
-rw------- 1 qemu qemu 196K Jul 11 12:32 disk-overlay.qcow2
-rw------- 1 root root 3.3G...