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From: Jochen Erwied <jochen@pgsql-performance.erwied.eu>
To: Ryan Wexler <ryan@iridiumsuite.com>
Cc: pgsql-performance@postgresql.org
Subject: Re: performance on new linux box
Date: Thu, 8 Jul 2010 21:32:33 +0200
Message-ID: <488953776.20100708213233@erwied.eu> (raw)
In-Reply-To: <AANLkTinsne2dhyxzXBb4KMVM_7yixWaUfVtG-WBPxMIq@mail.gmail.com>
References: <AANLkTinVrej5r_uF3As3mF8BW4CYgLGiw2-v2HORsqjM@mail.gmail.com>
	<4C3532CC.6070601@squeakycode.net>
	<AANLkTiloWDARpJw6xEZwuvSt_iVySIplr0Wg4zThXMPK@mail.gmail.com>
	<4C3591F40200002500033219@gw.wicourts.gov>
	<AANLkTilA1_-XNBcjpVLnbuMndC02PSzsQijzK3gNQc3c@mail.gmail.com>
	<4C35A23B0200002500033220@gw.wicourts.gov>
	<AANLkTilCjMHlvYuHCu5Hf7nd4q5C50Cu5NhTS55F3St9@mail.gmail.com>
	<4C360677.1090608@emolecules.com>
	<AANLkTiny431UE-qThjeJuGRst2gR0lkdn1UKKTSWfvV9@mail.gmail.com>
	<AANLkTin24rAdlEMpohzAVdBXuI37DPofZrpnKxiQLPgL@mail.gmail.com>
	<95971335.20100708211351@erwied.eu>
	<AANLkTinsne2dhyxzXBb4KMVM_7yixWaUfVtG-WBPxMIq@mail.gmail.com>

Thursday, July 8, 2010, 9:18:20 PM you wrote:

> However, I just verified with the hosting company that BBU is off on the
> raid controller.  I am trying to find out my options, turn it on, different
> card, etc...

Turning it on requires the external BBU to be installed, so even if a 9650
has BBU support, it requires the hardware on a pluggable card.

And even If the BBU is present, it requires to pass the selftest once until
you are able to turn on write caching.


-- 
Jochen Erwied     |   home: jochen@erwied.eu     +49-208-38800-18, FAX: -19
Sauerbruchstr. 17 |   work: joe@mbs-software.de  +49-2151-7294-24, FAX: -50
D-45470 Muelheim  | mobile: jochen.erwied@vodafone.de       +49-173-5404164




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