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virsh: clarify snapshot --live

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In libvirt, snapshot means disk snapshot.
snapshot --live is more like VM checkpoint.
Make it clear in virsh.pod.

Signed-off-by: Chen Hanxiao <chenhanxiao@gmail.com>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
This commit is contained in:
Chen Hanxiao 2016-08-05 15:23:52 +08:00 committed by Michal Privoznik
parent 5b8643099a
commit 73b647d418
1 changed files with 3 additions and 2 deletions
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tools/virsh.pod
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@ -3915,8 +3915,9 @@ this. If this flag is not specified, then some hypervisors may fail
after partially performing the action, and B<dumpxml> must be used to after partially performing the action, and B<dumpxml> must be used to
see whether any partial changes occurred. see whether any partial changes occurred.
If I<--live> is specified, libvirt takes the snapshot while the guest is If I<--live> is specified, libvirt takes the snapshot (checkpoint) while
running. This increases the size of the memory image of the external the guest is running. Both disk snapshot and domain memory snapshot are
taken. This increases the size of the memory image of the external
checkpoint. This is currently supported only for external checkpoints. checkpoint. This is currently supported only for external checkpoints.
Existence of snapshot metadata will prevent attempts to B<undefine> Existence of snapshot metadata will prevent attempts to B<undefine>