答复: XenServer & VM Snapshots

2012-12-03 Thread Mice Xia
gt; -Original Message- > From: Mice Xia [mailto:mice_...@tcloudcomputing.com] > Sent: Monday, December 03, 2012 11:05 AM > To: cloudstack-dev@incubator.apache.org > Subject: 答复: XenServer & VM Snapshots > > It is slow to take volume snapshot if your volume is huge, the

答复: XenServer & VM Snapshots

2012-12-03 Thread Mice Xia
It is slow to take volume snapshot if your volume is huge, the reason is vdi-copy, which is used to backup snapshot to SS, has performance problem. You can't speed it up much for a full snapshot, perhaps you can try increasing dom0 memory, or, adjust the ratio between full snapshot and increment