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From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Max Waterman <davidmaxwaterman+kernel@fastmail.co.uk>
Cc: Robert Hancock <hancockr@shaw.ca>,
	linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: io performance...
Date: Thu, 19 Jan 2006 14:08:18 +0000	[thread overview]
Message-ID: <1137679698.8471.30.camel@localhost.localdomain> (raw)
In-Reply-To: <43CF90C6.8050505@fastmail.co.uk>

On Iau, 2006-01-19 at 21:14 +0800, Max Waterman wrote:
> So, if I have my raid controller set to use write-back, it *is* caching 
> the writes, and so this *is* a bad thing, right?

Depends on your raid controller. If it is battery backed it may well all
be fine.

Alan

  reply	other threads:[~2006-01-19 14:08 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <5vx8f-1Al-21@gated-at.bofh.it>
     [not found] ` <5wbRY-3cF-3@gated-at.bofh.it>
     [not found]   ` <5wdKh-5wF-15@gated-at.bofh.it>
2006-01-19  1:58     ` io performance Robert Hancock
2006-01-19 13:14       ` Max Waterman
2006-01-19 14:08         ` Alan Cox [this message]
2006-01-20  4:09           ` Max Waterman
2006-01-20  4:27             ` Alexander Samad
2006-01-20 12:52             ` Alan Cox
2006-01-19 11:39 Al Boldi
  -- strict thread matches above, loose matches on Subject: below --
2006-01-16  7:35 Max Waterman
2006-01-16  7:32 ` Jeff V. Merkey
2006-01-17 13:57   ` Jens Axboe
2006-01-17 19:17     ` Jeff V. Merkey
2006-01-16  8:35 ` Pekka Enberg
2006-01-17 17:06 ` Phillip Susi
2006-01-18  7:24   ` Max Waterman
2006-01-18 15:19     ` Phillip Susi
2006-01-20  5:58       ` Max Waterman
2006-01-20 13:42         ` Ian Soboroff
2006-01-25  6:36           ` Max Waterman
2006-01-25 14:19             ` Ian Soboroff
2006-01-25 13:09           ` Bernd Eckenfels
2006-01-18  3:02 ` Max Waterman
2006-01-18  4:30   ` Jeff V. Merkey
2006-01-18  5:09     ` Max Waterman
2006-01-18  4:37       ` Jeff V. Merkey
2006-01-18  7:06         ` Max Waterman
2006-01-18  9:21     ` Alan Cox
2006-01-18 15:48       ` Phillip Susi
2006-01-18 16:25         ` Bartlomiej Zolnierkiewicz
2006-01-19  0:48 ` Adrian Bunk
2006-01-19 13:18   ` Max Waterman

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