Re: Random Seek on Array as slow as on single disk

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The linux-raid mailing list is predominantly covers linux software
RAID, so you may get a lot of software raid centric comments.
Like this one.

Have you tried setting the Areca to JBOD then using mdadm to
set up a software? That might help isolate where the problem is.
Just pick any configuration and try it. As a sanity comparison, I'm
seeing good seek performance with a 5 disk RAID1 (e.g. 5X
redundancy) with resiserfs on Linux software RAID. That's on a
production system, so I can't run bonnie++, but I''m definitely seeing
significantly better seek performance than you are reporting.

-Jeff
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