From: Bernd Eckenfels <ecki@lina.inka.de>
To: linux-kernel@vger.kernel.org
Subject: Re: RAID controller safety
Date: Fri, 30 Dec 2005 20:31:17 +0100 [thread overview]
Message-ID: <E1EsPy9-0001KW-00@calista.inka.de> (raw)
In-Reply-To: <20051230185840.52264.qmail@web34113.mail.mud.yahoo.com>
In article <20051230185840.52264.qmail@web34113.mail.mud.yahoo.com> you wrote:
> So all writes would be treated as syncronous in the write-through case (no battery), making fsync
> a no-op?
The device cache is IMHO not related to the higher level buffer cache. So
fsync flushes the buffers and the write-through ensures the controller may
not delay it in controller ram.
Gruss
Bernd
next prev parent reply other threads:[~2005-12-30 19:31 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-12-29 16:29 RAID controller safety Kenny Simpson
2005-12-30 15:17 ` Alan Cox
2005-12-30 16:18 ` Kenny Simpson
2005-12-30 18:20 ` Alan Cox
2005-12-30 18:58 ` Kenny Simpson
2005-12-30 19:31 ` Bernd Eckenfels [this message]
2005-12-31 0:49 ` Alan Cox
2005-12-31 3:25 ` Kenny Simpson
2005-12-31 3:29 ` Kenny Simpson
2005-12-31 6:55 ` Kenny Simpson
2005-12-31 7:57 ` Kenny Simpson
-- strict thread matches above, loose matches on Subject: below --
2006-01-06 14:33 Salyzyn, Mark
2006-01-06 14:46 ` Alan Cox
2006-01-06 15:18 ` Kenny Simpson
2006-01-06 16:02 ` Alan Cox
2006-01-06 17:06 Salyzyn, Mark
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