> What should I expect from a 8 drive raid 5 on 3ware 7500-8?
> I get only
> /dev/sda:
> Timing buffer-cache reads: 128 MB in 0.74 seconds =172.97 MB/sec
> Timing buffered disk reads: 64 MB in 1.55 seconds = 41.29 MB/sec
>
> which seems to be slow compared to the numbers above
I think you should look at the '3ware bad write speed' thread on
linux-raid
looks like you are running in 3ware raid mode ?
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