[email protected] wrote:
I plan to test the different configurations.
however, if I was saturating the bus with the reconstruct how can I fire
off a dd if=/dev/zero of=/mnt/test and get ~45M/sec whild only slowing
the reconstruct to ~4M/sec?
I'm putting 10x as much data through the bus at that point, it would
seem to proove that it's not the bus that's saturated.
I am unconvinced. If you take ~1MB/s for each active drive, add in SCSI
overhead, 45M/sec seems reasonable. Have you look at a running iostat
while all this is going on? Try it out- add up the kb/s from each drive
and see how close you are to your maximum theoretical IO.
Also, how's your CPU utilization?
--
Brendan Conoboy / Red Hat, Inc. / [email protected]
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