From: Pavel Machek <pavel@ucw.cz>
Subject: Re: Data integrity built into the storage stack
Date: Tue, 1 Sep 2009 14:44:04 +0200
Message-ID: <20090901124403.GC1371@ucw.cz>
References: <87f94c370908291423ub92922ft2cceab9e34ac6207@mail.gmail.com> <yq1hbvntf62.fsf@sermon.lab.mkp.net>
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Cc: Greg Freemyer <greg.freemyer@gmail.com>,
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	linux-ext4@vger.kernel.org
To: "Martin K. Petersen" <martin.petersen@oracle.com>
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Hi!

> I do agree that we do have to be more prepared for collateral damage
> scenarios.  As we discussed at LS we have 4KB drives coming out that can
> invalidate previously acknowledged I/Os if it gets a subsequent write
> failure on a sector.  And there's also the issue of fractured writes

Hmmm, future will be interesting.

'ext3 expects disks to behave like disks from 1995' (alarming).

									Pavel

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