James Ward wrote:
> I'm setting up a new BackupPC server as my current one has gotten full. 
>  This system has 2G RAM, quad Intel(R) Xeon(TM) CPU 3.20GHz and a 3ware 
> 6.5T array.  I believe the array is currently RAID5 with no hot spare. 
>  From what I'm reading, RAID5 is a no-no as is ext3?

RAID5 is fine; it's the filesystem that you need to concentrate on.

Since you mentioned ext2, I'm assuming you're installing Linux.  While 
you will no doubt get a lot of favoritism from some people on which is 
best, I would highly suggest that you configure a second volume as ext3 
and run some tests (filebench is a good test suite).  Then reformat it 
as XFS and run the same tests.  Then reformat as JFS and run the same 
tests.  The winner of your tests should be the filesystem you use.

And no matter which filesystem you end up using, don't use the 
main/system volume as the same place your data goes.  Dedicate a volume 
to BackupPC.

> What is the best way to set up the RAID array for BackupPC?

RAID5 if you have between four and eight drives, and RAID1+0 (RAID10) if 
you have more than eight.
-- 
Jim Leonard (trixter AT oldskool DOT org)            http://www.oldskool.org/
Help our electronic games project:           http://www.mobygames.com/
Or check out some trippy MindCandy at     http://www.mindcandydvd.com/
A child borne of the home computer wars: http://trixter.wordpress.com/

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