RE: 515 not performing to full rating due to disk arms?

Scott,

Was he referring to CPW or I/Os per Second that the controllers can
support?

Pete

-----Original Message-----
From: midrange-l-bounces@xxxxxxxxxxxx
[mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of Scott Lindstrom
Sent: Tuesday, June 10, 2008 5:37 PM
To: midrange-l@xxxxxxxxxxxx
Subject: 515 not performing to full rating due to disk arms?


In reviewing some vendor proposals for a new system I have one vendor not
recommending a 515 with its maximum of 8 disk drives (mirrored). They say
at this number of drives the normal CPW rating of 3800 is driven down to
800.

I have never heard of a CPW rating being driven down that far before due to
disk arm limitations. Is this something anyone else has heard or
experienced? (We don't need the 3800 CPW - it's overkill for us - but
don't know if coming down to only 800 would be a problem).

Scott

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