Try bumping your chunk-size up. I usually use 64. When this number is low,
you cause more scsi requests to be performed than needed. If really big (
>=256 ) RAID 0 won't help much.
<>< Lance.
Richard Schroeder wrote:
> Help,
> I have set up RAID-0 on my Linux Redhat 6.0. I am using RAID-0
> (striping) with two IDE disks (each disk on it's own IDE controller).
> No problems in getting it running. However, my tests show I/O
> performance seems to be worse than on a "normal" non-RAID filesystem. I
> have tried different chunk-sizes to no avail. I must be missing
> something. Shouldn't I be seeing a slight performance gain?
>
> Here is my /etc/raidtab:
> raiddev /dev/md0
> raid-level 0
> nr-raid-disks 2
> nr-spare-disks 0
> chunk-size 4
> persistent-superblock 1
> device /dev/hda8
> raid-disk 0
> device /dev/hdc8
> raid-disk 1
>
> Curious
>
> Richard Schroeder
> [EMAIL PROTECTED]
