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Re: IDE write cache and journaling file systems

To: Jim Buzbee <James.Buzbee@echostar.com>
Subject: Re: IDE write cache and journaling file systems
From: Florian Weimer <Weimer@CERT.Uni-Stuttgart.DE>
Date: Mon, 22 Apr 2002 18:38:08 +0200
Cc: XFS List <linux-xfs@oss.sgi.com>
In-reply-to: <3CBEE618.B220A393@echostar.com> (Jim Buzbee's message of "Thu,18 Apr 2002 09:28:24 -0600")
References: <3CBEE618.B220A393@echostar.com>
Sender: owner-linux-xfs@oss.sgi.com
User-agent: Gnus/5.090005 (Oort Gnus v0.05) Emacs/21.1 (i686-pc-linux-gnu)

Jim Buzbee <James.Buzbee@echostar.com> writes:

> In our application, (consumer set top box) we cannot always cleanly shut
> down the system.  The consumer rightly expects to just unplug the box
> when he wants/needs to.

BTW, there are a few IBM disks which take the liberty to map out at
most one sector if power fails during a write operation.

-- 
Florian Weimer 	                  Weimer@CERT.Uni-Stuttgart.DE
University of Stuttgart           http://CERT.Uni-Stuttgart.DE/people/fw/
RUS-CERT                          +49-711-685-5973/fax +49-711-685-5898

References:
- IDE write cache and journaling file systems
  - From: Jim Buzbee <James.Buzbee@echostar.com>

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