Re: [PERFORM] Arguments Pro/Contra Software Raid - Mailing list pgsql-general

From Douglas McNaught
Subject Re: [PERFORM] Arguments Pro/Contra Software Raid
Date
Msg-id 87r732ndat.fsf@suzuka.mcnaught.org
Whole thread Raw
In response to Re: [PERFORM] Arguments Pro/Contra Software Raid  (Scott Marlowe <smarlowe@g2switchworks.com>)
Responses Re: [PERFORM] Arguments Pro/Contra Software Raid
List pgsql-general
Scott Marlowe <smarlowe@g2switchworks.com> writes:

> On Tue, 2006-05-09 at 20:02, Bruce Momjian wrote:

>> You do if the controller thinks the data is already on the drives and
>> removes it from its cache.
>
> Bruce, re-read what I wrote.  The escalades tell the drives to TURN OFF
> THEIR OWN CACHE.

Some ATA drives would lie about that too IIRC.  Hopefully they've
stopped doing it in the SATA era.

-Doug

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