From: Chris Wedgwood <cw@f00f.org>
To: Mark Hahn <hahn@physics.mcmaster.ca>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Disk hardware caching, performance, and journalling
Date: Sun, 25 Nov 2001 22:23:13 +1300 [thread overview]
Message-ID: <20011125222313.D9672@weta.f00f.org> (raw)
In-Reply-To: <3BFFE8A2.1010708@rueb.com> <Pine.LNX.4.10.10111241402420.3696-100000@coffee.psychology.mcmaster.ca>
In-Reply-To: <Pine.LNX.4.10.10111241402420.3696-100000@coffee.psychology.mcmaster.ca>
On Sat, Nov 24, 2001 at 02:39:44PM -0500, Mark Hahn wrote:
why does everyone get freaked out about disk caches? afaikt,
there's only an O(50ms) window at each catastrophic power failure:
trivial for any reasonable rate of failures...
If your disks are busy all the time (eg. a large mail server) then you
will trivially hit this and it will be a problem.
--cw
next prev parent reply other threads:[~2001-11-25 9:22 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-11-24 18:36 Steve Bergman
2001-11-24 19:08 ` Andrew Morton
2001-11-24 19:39 ` Florian Weimer
2001-11-24 21:57 ` Phil Howard
2001-11-25 9:22 ` Chris Wedgwood
2001-11-24 19:39 ` Mark Hahn
2001-11-25 9:23 ` Chris Wedgwood [this message]
2001-11-25 21:45 ` Kevin P. Fleming
2001-11-25 22:11 ` Chris Wedgwood
2001-11-25 22:29 ` Mark Hahn
2001-11-26 1:10 ` Bernd Eckenfels
2001-11-25 9:19 ` Chris Wedgwood
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