| To: | xen-users@xxxxxxxxxxxxxxxxxxx |
|---|---|
| Subject: | Re: [Xen-users] Using LVM snapshots to backup NTFS partitions forwindows guests |
| From: | "Amos Shapira" <amos.shapira@xxxxxxxxx> |
| Date: | 2007年10月24日 14:13:11 +1000 |
| Delivery-date: | 2007年10月23日 21:14:00 -0700 |
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| Sender: | xen-users-bounces@xxxxxxxxxxxxxxxxxxx |
> Hi everyone!
>
> I've been reading this list for a while and I'm thinking that the best
> way to do backups is using LVM snapshots as discussed here several
> times.
>
> The problem is that when i use a LVM logical volume as windows disk,
> windows writes the partition table onto the LV so the LV itself is not
> a partition - it's a whole disk.
>
> lvm/device-mapper does not create the partition devices in /dev so i
> cannot mount/access the ntfs partitions with anything but fdisk, and i
> would like to use ntfsclone or similar.
>
> Is there any way around this?
>
In the past I have done this by using loopback with an offset, but you need to do a few sums to get that right (eg figure out where in the disk image each partition starts etc).
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