On Wed, 2006-11-22 at 09:02 -0800, Jeff Frost wrote:
> On Wed, 22 Nov 2006, Joshua D. Drake wrote:
>
> >> I could only find the 6 disk RAID5 numbers in the archives that were run
> >> with
> >> bonnie++1.03. Have you run the RAID10 tests since? Did you settle on 6
> >> disk
> >> RAID5 or 2xRAID1 + 4XRAID10?
> >
> > Why not 6 drive raid 10? IIRC you need 4 to start RAID 10 but only pairs
> > after that.
>
> A valid question. Does the caching raid controller negate the desire to
> separate pg_xlog from PGDATA?
There is a point where the seperate pg_xlog does not help with RAID 10.
Where that point is, entirely depends on your database usage :)
Sincerely,
Joshua D. Drake
>
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