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Re: raid10 write performance

From: Greg Smith <greg(at)2ndquadrant(dot)com>
To: Grzegorz Jaśkiewicz <gryzman(at)gmail(dot)com>
Cc: postgres performance list <pgsql-performance(at)postgresql(dot)org>
Subject: Re: raid10 write performance
Date: 2010-06-22 14:40:31
Message-ID: (view raw or whole thread)
Lists: pgsql-performance
Grzegorz Jaśkiewicz wrote:
> raid: serveRAID M5014 SAS/SATA controller

Do the "performant servers" have a different RAID card?  This one has 
terrible performance, and could alone be the source of your issue.  The 
ServeRAID cards are slow in general, and certainly slow running RAID10.

Greg Smith  2ndQuadrant US  Baltimore, MD
PostgreSQL Training, Services and Support

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