Re: suggestions for postgresql setup on Dell 2950 , PERC6i controller - Mailing list pgsql-performance

From Grzegorz Jaśkiewicz
Subject Re: suggestions for postgresql setup on Dell 2950 , PERC6i controller
Date
Msg-id 2f4958ff0902180605n43c08b4v23a46b29a736d873@mail.gmail.com
Whole thread Raw
In response to Re: suggestions for postgresql setup on Dell 2950 , PERC6i controller  (Rajesh Kumar Mallah <mallah.rajesh@gmail.com>)
List pgsql-performance
2009/2/18 Rajesh Kumar Mallah <mallah.rajesh@gmail.com>:
> On Wed, Feb 18, 2009 at 2:27 PM, Grzegorz Jaśkiewicz <gryzman@gmail.com> wrote:
>> have you tried hanging bunch of raid1 to linux's md, and let it do
>> raid0 for you ?
>
> Hmmm ,  i will have only 3 bunches in that case as system has to boot
> from first bunch
> as system has only 8 drives. i think reducing spindles will reduce perf.
>
> I also have a SATA SAN though from which i can boot!
> but the server needs to be rebuilt in that case too.
> I (may) give it a shot.

Sure, if you do play with that - make sure to tweak 'chunk' size too.
Default one is way to small (IMO)


--
GJ

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