On Mon, 10 Sep 2001 20:39:18 +0000 (UTC), bpalmer@crimelabs.net ("B.
Palmer") wrote:
>>Not sure about that. Is that optimal for I/O?
>
From my experience it is. As long as you have a raid controler that
>can do 2 level RAID abstraction. First you need mirrored pairs and
>then you stripe over them. It costs a lot in disk, but is stupid fast
>with the right raid controller. With some Suns / FC / EMC, we were
>getting ~100M/s+ with that setup for our Oracle server.
Agreed. I've seen 2-3 times speed improvement over raid5.