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This is a rewrite of: https://wiki.libvirt.org/page/Live-disk-backup-with-active-blockcommit Once this commit merges, the above wiki should point to this kbase document. NB: I've intentionally left out the example for pull-based full backups. I'll tackle it once QMP `x-blockdev-reopen` comes out of experimental mode in upstream QEMU. Then pull-based can be described for both full and and differntial backups. Overall, future documents should cover: - full backups using both push- and pull-mode - differential backups using both push- and pull-mode Signed-off-by: Kashyap Chamarthy <kchamart@redhat.com> Signed-off-by: Michal Privoznik <mprivozn@redhat.com> Reviewed-by: Michal Privoznik <mprivozn@redhat.com>