On Thu, Jun 5, 2008 at 10:39 AM, richard.hauswald
<richard.hauswald AT dser DOT de> wrote:
>
> Hello Dan,
> sounds great but wont fit to my situation. I must admit I messed up
> describing the problem correctly. I'm sorry for that, here is additional
> information:
> The backup server runs a raid5 on an 8 port raid controller with 4 1TB
> hdd's. I divided the backup data in VIP-Data and ordinary-Data cause of
> budget issues... Ordinary Data is currently something around 0,7TB (as
> described earlier VIP data is 1.4 TB) so both VIP and ordinary data wont fit
> to the 2 TB USB hdd's. We are also using LVM's in the backup server to make
> the process of extending the disk space of the server as easy as possible. I
> thought about building a LVM over the 2 disks (another one for the other 2
> disks) but I'm scared of possible data loss, if on hdd crashes. I think i
> need something like virtual auto-charger using usb hard drives as "tape".
> This way i could use the disks as "tapes". I searched through the manual
> (pdf version) but did not find something appropriate.
>
I would never use LVM to span drives for backups. If one disk dies you
will most likely loose all of your backups.

John

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