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Re: opinion on RAID choice

From: "scott(dot)marlowe" <scott(dot)marlowe(at)ihs(dot)com>
To: Vivek Khera <khera(at)kcilink(dot)com>
Cc: <pgsql-performance(at)postgresql(dot)org>
Subject: Re: opinion on RAID choice
Date: 2003-08-29 04:22:35
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Lists: pgsql-performance
On Thu, 28 Aug 2003, Vivek Khera wrote:

> >>>>> "sm" == scott marlowe <scott.marlowe> writes:
> sm> My experience has been that once you get past 6 disks, RAID5 is faster 
> sm> than RAID1+0.
> Any opinion on stripe size for the RAID?

That's more determined by what kind of data you're gonna be handling.  If 
you want to do lots of little financial transactions, then 32k or less is 
good.  If you're gonna store moderately large text fields and such, then 
going above 32k or 64k is usually a good idea.

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