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Re: [GENERAL] full_page_writes = off?

From: Greg Smith <gsmith(at)gregsmith(dot)com>
To: Bruce Momjian <bruce(at)momjian(dot)us>
Cc: PostgreSQL-documentation <pgsql-docs(at)postgresql(dot)org>
Subject: Re: [GENERAL] full_page_writes = off?
Date: 2007-12-10 14:27:31
Message-ID: Pine.GSO.4.64.0712100918320.14895@westnet.com (view raw or flat)
Thread:
Lists: pgsql-docspgsql-general
On Mon, 10 Dec 2007, Bruce Momjian wrote:

>     exist for disk controller caches.  Consumer-grade IDE drives are
>!    particularly likely to have write-back caches that will not survive a
>!    power failure.  To check write caching on <productname>Linux</> use
>!    <command>hdparm -I</>;  it is enabled if there is a <literal>*</> next
>!    to <literal>Write cache</>.  <command>hdparm -W</> can to turn off
>!    write caching.  On <productname>FreeBSD</> use

I'm not where I can submit this as a patch right now, but there are two 
things that should get fixed in the above:

--Saying "Consumer-grade IDE drives" isn't quite right; "Consumer-grade 
IDE and SATA drives" would correctly label the scope of the problem.

--There's a typo on the next to last line here:  "can to turn off".

--
* Greg Smith gsmith(at)gregsmith(dot)com http://www.gregsmith.com Baltimore, MD

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