PE2650 / PowerVault 220S Performance issue
m.watts at eris.qinetiq.com
Fri May 14 03:49:00 CDT 2004
-----BEGIN PGP SIGNED MESSAGE-----
> Not very special scores, you might be interested in adjusting the
> read-ahead settings under linux, see /proc and/or search the archives.
> You should be able to go past the 200MB/sec easily with this config.
> I can do 150MB/sec with a 6 disk raid 10, your raid 5 should double
> that. You might get even further doing some channel splitting and a
> Perc4/DC (if you have a free slot).
> Use the megaraid32 driver instead of the megaraid driver if you are not
> already using that one.
This machine was bought for storage, not performance, so we're not too fussed
with the speed although I may have a look at the readahead stuff when I get
Looks like we're using the megaraid driver though...
Senior Systems Engineer
QinetiQ Trusted Information Management
Trusted Solutions and Services group
GPG Public Key ID: 455420ED
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.2.3 (GNU/Linux)
-----END PGP SIGNATURE-----
More information about the Linux-PowerEdge