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Re: [Xen-users] Consistent VM image backups
| To: | Javier Guerra Giraldez <javier@xxxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-users] Consistent VM image backups |
| From: | Mike Sun <msun@xxxxxxxxxx> |
| Date: | Thu, 27 Jan 2011 17:25:20 -0500 |
| Cc: | XEN Mailing List <xen-users@xxxxxxxxxxxxxxxxxxx> |
| Delivery-date: | Thu, 27 Jan 2011 14:27:15 -0800 |
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I'm not worried about uncommitted data from the guest OS... I'm capturing all of the domU memory state as well, so I guess I should be more clear that I'm not looking for truly "consistent" disk image... I just want to make sure that the virtual disk state is always synced to the actual backing file. On Thu, Jan 27, 2011 at 5:23 PM, Javier Guerra Giraldez <javier@xxxxxxxxxxx> wrote: > On Thu, Jan 27, 2011 at 5:00 PM, Mike Sun <msun@xxxxxxxxxx> wrote: >> Does the use of the blktap >> driver eliminate this problem? > > no, since it's not a virtualization isse: the guest's OS might have a > lot of uncommitted data, no setup of Xen can divine what should be on > disk before the guest chooses to flush it. > > -- > Javier > _______________________________________________ Xen-users mailing list Xen-users@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-users |
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