From: Pavel Machek <pavel@ucw.cz>
To: "Martin K. Petersen" <martin.petersen@oracle.com>
Cc: Greg Freemyer <greg.freemyer@gmail.com>,
linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org,
linux-ext4@vger.kernel.org
Subject: Re: Data integrity built into the storage stack
Date: Tue, 1 Sep 2009 14:44:04 +0200 [thread overview]
Message-ID: <20090901124403.GC1371@ucw.cz> (raw)
In-Reply-To: <yq1hbvntf62.fsf@sermon.lab.mkp.net>
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
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
next prev parent reply other threads:[~2009-09-01 12:44 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-08-29 21:23 Data integrity built into the storage stack [was: Re: [testcase] test your fs/storage stack (was Re: [patch] ext2/3: document conditions when reliable operation is possible)] Greg Freemyer
2009-08-29 21:23 ` Greg Freemyer
2009-08-30 0:35 ` Rob Landley
2009-09-01 5:19 ` Data integrity built into the storage stack Martin K. Petersen
2009-09-01 12:44 ` Pavel Machek [this message]
2009-09-01 13:18 ` jim owens
2009-09-01 13:37 ` Pavel Machek
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