My opinion (worth exactly what you're paying for it):

For anything approaching 1TB or larger, consider xfs over ext3. Fsck'ing a 
large ext3 filesystem takes ages.

For portability, USB 2 is great. If the drive won't be moving and you have 
(or can add) the ports, consider Firewire, or better yet, e-sata. Your 
performance will thank you.

Cheers, Stephen
--
Stephen Joyce
Systems Administrator                                            P A N I C
Physics & Astronomy Department                         Physics & Astronomy
University of North Carolina at Chapel Hill         Network Infrastructure
voice: (919) 962-7214                                        and Computing
fax: (919) 962-0480                               http://www.panic.unc.edu

The purpose of the icons, the purpose of the entire OS X look and feel, is
to keep the customer happy during that critical period between the time of
sale and the time the check clears.

On Tue, 22 Apr 2008, shacky wrote:

>>  - If you're using SMB or CIFS I don't think it will support the hardlinks
>>   that BackupPC requires for data pooling.>
>>  - It's going to be slow. Just buy a big cheap local disk.
>
> And connecting the external hard drive to a USB 2.0 port of the server
> formatting it to ext3?
> I cannot add another local disk because there is no more space left in
> the rack cabinet.
>
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