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Re: raid10 write performance - Mailing list pgsql-performance

From Greg Smith
Subject Re: raid10 write performance
Date
Msg-id 4C20CB5F.2030000@2ndquadrant.com
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In response to raid10 write performance  (Grzegorz Jaśkiewicz <gryzman@gmail.com>)
Responses Re: raid10 write performance  (Ivan Voras <ivoras@freebsd.org>)
List pgsql-performance
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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
greg@2ndQuadrant.com   www.2ndQuadrant.us

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