Re: [Xen-users] Backup solution

[Nico Kadel-Garcia <nkadel@xxxxxxxxx>]

Artur Linhart wrote:
> OK, but - if You create the LVM snapshot volume and make the backup of it,
> You assume the OS running in VM has written everything correctly to the
> logical volume and the logical volume is in consistent state. 
> But this assumption seems to be dangerous for me, especially by Windows DomU
> - how can You be sure, the OS hdd driver has written everything to the
> logical volume before You create the snapshot volume?
>
> I would like also to use the LVM snapshots for backup, but this topic is a
> problem for me, which I could not solve yet...
>
>         With regards
>
>                 Archie
>   
Windows snapshot backups are a serious, serious problem. Complex 
software plays enormously complex games to provide this.
Frankly, the most reliable is to actually shut down the machine, *then* 
take an LVM snapshot, then reboot it to keep service active wile using 
the LVM snapshot for backup. Not pause: not suspend: *halt* the thing.
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