| From: | Grzegorz Jaśkiewicz <gryzman(at)gmail(dot)com> |
|---|---|
| To: | Rajesh Kumar Mallah <mallah(dot)rajesh(at)gmail(dot)com> |
| Cc: | Scott Carey <scott(at)richrelevance(dot)com>, Matthew Wakeling <matthew(at)flymine(dot)org>, "pgsql-performance(at)postgresql(dot)org" <pgsql-performance(at)postgresql(dot)org> |
| Subject: | Re: suggestions for postgresql setup on Dell 2950 , PERC6i controller |
| Date: | 2009-02-18 14:05:40 |
| Message-ID: | 2f4958ff0902180605n43c08b4v23a46b29a736d873@mail.gmail.com |
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| Lists: | pgsql-performance |
2009/2/18 Rajesh Kumar Mallah <mallah(dot)rajesh(at)gmail(dot)com>:
> On Wed, Feb 18, 2009 at 2:27 PM, Grzegorz Jaśkiewicz <gryzman(at)gmail(dot)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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