> Can anybody recommend ways of improving write to disk performance under
> Linux? I've got a system with dual scsi drives attatched via RAID
> controller set to level 0 (striping), and am getting what I consider to be
> pretty low long term data rates for what should be a high performance
> system.
Couple of questions:
o What blocksize are you writing with?
o Are you using buffered i/o?
o Are you writing to the device at the block level, or with a filesystem?
o Which filesystem?
o Have you tested the i/o of this device with dd?
(For those of you who are new to dd:
`dd if=/dev/zero of=/mnt/array0/zeroes bs=1M count=500`
will write 500 megs of zeros to the file 'zeroes', adjusting the
blocksize (bs=) and the count (count=) is a good way of benchmarking
device performance)
o Is this the same problem you were having last year? <eg>
Aloha,
charles
