On Sun, 10 Oct 2004, Robin Bowes wrote:
This gave the following results:
Version 1.03 ------Sequential Output------ --Sequential Input- --Random- -Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- --Seeks-- Machine Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP /sec %CP dude.robinbow 3096M 13081 95 34159 75 12617 21 15311 92 40429 30 436.1 3 dude.robinbowes.com,3096M,13081,95,34159,75,12617,21,15311,92,40429,30,436.1,3,,,,,,,,,,,,,
I don't actually know what the figures mean - is this fast??
It's not brilliant, but reasonable for a RAID5 on IDE drives. Disk head bandwidth for comodity 7200 RPM drives is about 55MB/sec peak - although I haven't been able to get that with the SATA controllers I've used so-far, but I suspect thats because they are running in PATA mode.
Just a point of reference. This is on a single Athlon 2600+ with 10 7200 RPM Maxtor drives on 3 Promise SATA150TX4 controllers
Version 1.03 ------Sequential Output------ --Sequential Input- --Random-
-Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- --Seeks--
Machine Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP /sec %CP
srv 1G 14502 45 23251 12 17102 9 23390 67 67688 24 638.4 1
srv,1G,14502,45,23251,12,17102,9,23390,67,67688,24,638.4,1,,,,,,,,,,,,,Brad - To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
