Re: [Xen-users] Best practice to backup dom0 and all domU's

[Steve Wray <steve.wray@xxxxxxxxx>]

Tiago Cruz wrote:
> Andris,
>
> Many thanks for share your solution! :-)
>
> On Tue, 2008-03-25 at 17:29 +0200, Andris wrote:
> >         ##here we make snapshots
> >         /usr/sbin/lvcreate -L2G -s -n $b$backup $a
> 2 GB its enough for any machine? 'Cause I have vm's with 20 GB until 100
> GB...
I think you'll find that for snapshots the size specified is for the 
changes to the filesystem which are expected to occur during the 
lifetime of the snapshot.
So if you anticipate that, _while_ the snapshot is in use, its likely to 
accumulate 20G worth of *change*, the -L2G won't be enough.

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