Re: suggestions for postgresql setup on Dell 2950 , PERC6i controller

From: Arjen van der Meijden <acmmailing(at)tweakers(dot)net>
To: Scott Marlowe <scott(dot)marlowe(at)gmail(dot)com>
Cc: Rajesh Kumar Mallah <mallah(dot)rajesh(at)gmail(dot)com>, pgsql-performance(at)postgresql(dot)org
Subject: Re: suggestions for postgresql setup on Dell 2950 , PERC6i controller
Date: 2009-02-04 21:11:50
Message-ID: 498A0496.1000900@tweakers.net
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On 4-2-2009 21:09 Scott Marlowe wrote:
> I have little experience with the 6i. I do have experience with all
> the Percs from the 3i/3c series to the 5e series. My experience has
> taught me that a brand new, latest model $700 Dell RAID controller is
> about as good as a $150 LSI, Areca, or Escalade/3Ware controller.
> I.e. a four or five year old design. And that's being generous.

Afaik the Perc 5/i and /e are more or less rebranded LSI-cards (they're
not identical in layout etc), so it would be a bit weird if they
performed much less than the similar LSI's wouldn't you think?
And as far as I can remember, our Perc 5/e actually performed similar to
a LSI with similar specs (external sas, 256MB ram, etc) we had at the
time of testing.
Areca may be the fastest around right now, but if you'd like to get it
all from one supplier, its not too bad to be stuck with Dell's perc 5 or
6 series.

Best regards,

Arjen

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