From: Joshua D. Drake <jd@commandprompt.com>
To: Francisco Reyes <lists@stringsutils.com>
Cc: Alan Hodgson <ahodgson@simkin.ca>
Cc: pgsql-performance@postgresql.org
Subject: Re: WALL on controller without battery?
Date: Wed, 11 Jul 2007 12:45:29 -0700
Message-ID: <46953359.5060404@commandprompt.com> (raw)
In-Reply-To: <cone.1184182772.853257.9511.5001@35st.simplicato.com>
References: <cone.1184165284.909164.90107.1000@zoraida.natserv.net>
<20070711153620.GP1241@phlogiston.dyndns.org>
<200707110847.44612@hal.medialogik.com>
<cone.1184182772.853257.9511.5001@35st.simplicato.com>
Francisco Reyes wrote:
> Alan Hodgson writes:
>
>> I would spring for a 4-port with a BBU, though, and then put the WAL
>> on the drives with the OS.
>
> The machine is already over budget. :-(
> I will check the price difference but unlikely I will get approval.
Without a BBU you are guaranteed at some point to have catastrophic
failure unless you turn off write cache, which would then destroy your
performance.
Joshua D. Drake
>
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To: pgsql-performance@postgresql.org
Cc: jd@commandprompt.com, lists@stringsutils.com, ahodgson@simkin.ca
Subject: Re: WALL on controller without battery?
In-Reply-To: <46953359.5060404@commandprompt.com>
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