RE: [Xen-users] Using LVM snapshots to backup NTFS partitions forwindows guests

["James Harper" <james.harper@xxxxxxxxxxxxxxxx>]

> 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).

James

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