Poweredge 1800 CERC Sata raid performance

John Hodrien johnh at comp.leeds.ac.uk
Wed Oct 11 12:10:58 CDT 2006

On Wed, 11 Oct 2006, Sturgis, Grant wrote:

> I have a case open with Dell tech support on this very issue.
> Horrendous performance with this card in RAID 5.  Not only slow IO
> performance, but the load average of the system goes through the roof
> rendering the system unusable.
> So far, the feedback from Dell tech support is that this is expected.
> This is not a performance card.
> The truth of the matter is that it is unusable (in RAID 5) and the
> marketing of the card is an outright lie.

Yes, that's my experience too.  I assume a switch to RAID 1 would give you the
performance back (a switch I'm looking to make ASAP).


"God is really only another artist.  He invented the giraffe, the elephant and
  the cat.  He has no real style, He just goes on trying other things."
                                                      -- Pablo Picasso

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