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snapshot: Add flag to enable creating checkpoints in live state

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The default behavior while creating external checkpoints is to pause the
guest while the memory state is captured. We want the users to sacrifice
space saving for creating the memory save image while the guest is live
to minimize downtime.

This patch adds a flag that causes the guest not to be paused before
taking the snapshot.
 *include/libvirt/libvirt.h.in:
    - add new paused reason: VIR_DOMAIN_PAUSED_SNAPSHOT
    - add new flag for taking snapshot: VIR_DOMAIN_SNAPSHOT_CREATE_LIVE
 *tools/virsh-domain-monitor.c:
    - add string representation for VIR_DOMAIN_PAUSED_SNAPSHOT
 *tools/virsh-snapshot.c:
    - add support for VIR_DOMAIN_SNAPSHOT_CREATE_LIVE
 *tools/virsh.pod:
    - add docs for --live option added to use
    VIR_DOMAIN_SNAPSHOT_CREATE_LIVE flag
This commit is contained in:
Peter Krempa
2012-10-09 12:11:56 +02:00
parent 2771f8b74c
commit 5f75bd4bbe
5 changed files with 28 additions and 2 deletions
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2
tools/virsh-domain-monitor.c
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@@ -223,6 +223,8 @@ vshDomainStateReasonToString(int state, int reason)
return N_("from snapshot");
case VIR_DOMAIN_PAUSED_SHUTTING_DOWN:
return N_("shutting down");
case VIR_DOMAIN_PAUSED_SNAPSHOT:
return N_("creating snapshot");
case VIR_DOMAIN_PAUSED_UNKNOWN:
case VIR_DOMAIN_PAUSED_LAST:
;