On Mon, Nov 24, 2008 at 8:06 AM, Glyn Astill <glynastill@xxxxxxxxxxx> wrote: > --- Scott Marlowe <scott.marlowe@xxxxxxxxx> wrote: > >> > >> > Yeah the battery is on there, and in the BIOS it says it's >> "PRESENT" and the status is "GOOD". >> >> If I remember correctly, older LSI cards had pretty poor >> performance >> in RAID 1+0 (or any layered RAID really). Have you tried setting >> up >> RAID-1 pairs on the card and then striping them with the OS? >> > > Not yet no, but that's a good suggestion and I do intend to give it a > whirl. I get about 27MB/s from raid 1 (10 is about the same) so > hopefully I can up the throughput to the speed of about one disk with > sw raid. > > For kicks I did try raid 5 on it; 6.9MB/s made it hard to resist > going to get the hammer, which is still a very attractive option. Well, I prefer making keychain fobs still, but from a technical perspective, I guess either option is a good one. Srsly, also look at running pure sw RAID on it with the controller providing caching only. I don't expect a PERC 3DC to win any awards, but the less you give that card to do the better off you'll be. -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance
