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From: Bruce Momjian <bruce@momjian.us>
Message-Id: <200712101451.lBAEpHR19315@momjian.us>
Subject: Re: [GENERAL] full_page_writes = off?
In-Reply-To: <Pine.GSO.4.64.0712100918320.14895@westnet.com>
To: Greg Smith <gsmith@gregsmith.com>
Date: Mon, 10 Dec 2007 09:51:17 -0500 (EST)
CC: PostgreSQL-documentation <pgsql-docs@postgresql.org>
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Greg Smith wrote:
> 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".

Thanks, both done.
-- 
  Bruce Momjian  <bruce@momjian.us>        http://momjian.us
  EnterpriseDB                             http://postgres.enterprisedb.com

  + If your life is a hard drive, Christ can be your backup. +