On Jun 17, 2005, at 3:34 PM, Yves Vindevogel wrote:
> We are looking to build a new machine for a big PG database.
> We were wondering if a machine with 5 scsi-disks would perform
> better if we use a hardware raid 5 controller or if we would go for
> the clustering in PG.
> If we cluster in PG, do we have redundancy on the data like in a
> RAID 5 ?
>
I'd recommend 4 disks in a hardware RAID10 plus a hot spare, or use
the 5th disk as boot + OS if you're feeling lucky.
Vivek Khera, Ph.D.
+1-301-869-4449 x806