From: John Bradford <john@grabjohn.com>
To: fverscheure@wanadoo.fr
Cc: marcelo@conectiva.com.br, linux-kernel@vger.kernel.org
Subject: Re: Problem in IDE Disks cache handling in kernel 2.4.XX
Date: Fri, 10 Jan 2003 10:19:59 +0000 (GMT) [thread overview]
Message-ID: <200301101019.h0AAJx5w003433@darkstar.example.net> (raw)
In-Reply-To: <20030110095558.E144CFF11@postfix4-1.free.fr> from "Francis Verscheure" at Jan 10, 2003 10:54:53 AM
> And by the way how are powered off the IDE drives ?
> Because a FLUSH CACHE or STANDY or SLEEP is MANDATORY before
> powering off the drive with cache enabled or you will enjoy lost
> data.
This was discussed on the list a few months ago:
http://marc.theaimsgroup.com/?l=linux-kernel&m=103188486216124&w=2
I'm not sure it really got fully resolved, I had disks that would
spin down and then spin up again, because of the order that the
standby and flush cache commands were sent.
John
next prev parent reply other threads:[~2003-01-10 10:11 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-01-10 9:54 Problem in IDE Disks cache handling in kernel 2.4.XX Francis Verscheure
2003-01-10 10:19 ` John Bradford [this message]
2003-01-10 11:37 ` Alan Cox
2003-01-10 11:07 ` Benjamin Herrenschmidt
2003-01-10 11:14 ` Andre Hedrick
2003-01-10 13:35 ` Alan Cox
2003-01-10 13:03 ` Andre Hedrick
2003-01-10 14:13 ` Alan Cox
2003-01-10 16:48 ` Jens Axboe
2003-01-10 18:12 ` Alan Cox
2003-01-10 18:12 ` PATCH: [2.4.21-pre3] Fix for SMP race condition in IDE code Ross Biro
2003-01-10 19:29 ` Alan Cox
2003-01-10 20:22 ` Andre Hedrick
2003-01-10 18:25 ` Problem in IDE Disks cache handling in kernel 2.4.XX Jens Axboe
2003-01-10 17:23 ` Alan Cox
2003-01-10 17:02 ` John Bradford
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