On 03/06/10 11:30, Craig James wrote:
> I'm testing/tuning a new midsize server and ran into an inexplicable
> problem. With an RAID10 drive, when I move the WAL to a separate
> RAID1 drive, TPS drops from over 1200 to less than 90! I've checked
> everything and can't find a reason.
>
>
Are the 2 new RAID1 disks the same make and model as the 12 RAID10 ones?
Also, are barriers *on* on the RAID1 mount and off on the RAID10 one?
Cheers
Mark