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From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Pavel Machek <pavel@ucw.cz>
Cc: Theodore Tso <tytso@mit.edu>, Al Boldi <a1426z@gawab.com>,
Valerie Henson <val.henson@gmail.com>,
Rik van Riel <riel@redhat.com>,
linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [RFD] Incremental fsck
Date: Sun, 13 Jan 2008 17:41:25 +0000 [thread overview]
Message-ID: <20080113174125.5f39ac64@lxorguk.ukuu.org.uk> (raw)
In-Reply-To: <20080113171916.GB4132@ucw.cz>
> What are ext3 expectations of disk (is there doc somewhere)? For
> example... if disk does not lie, but powerfail during write damages
> the sector -- is ext3 still going to work properly?
Nope. However the few disks that did this rapidly got firmware updates
because there are other OS's that can't cope.
> If disk does not lie, but powerfail during write may cause random
> numbers to be returned on read -- can fsck handle that?
most of the time. and fsck knows about writing sectors to remove read
errors in metadata blocks.
> What abou disk that kills 5 sectors around sector being written during
> powerfail; can ext3 survive that?
generally. Note btw that for added fun there is nothing that guarantees
the blocks around a block on the media are sequentially numbered. The
usually are but you never know.
Alan
next prev parent reply other threads:[~2008-01-13 17:45 UTC|newest]
Thread overview: 55+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-01-08 21:22 Al Boldi
2008-01-08 21:31 ` Alan
2008-01-09 9:16 ` Andreas Dilger
2008-01-12 23:55 ` Daniel Phillips
2008-01-08 21:41 ` Rik van Riel
2008-01-09 4:40 ` Al Boldi
2008-01-09 7:45 ` Valerie Henson
2008-01-09 11:52 ` Al Boldi
2008-01-09 14:44 ` Rik van Riel
2008-01-10 13:26 ` Al Boldi
2008-01-12 14:51 ` Theodore Tso
2008-01-13 11:05 ` Al Boldi
2008-01-13 17:19 ` Pavel Machek
2008-01-13 17:41 ` Alan Cox [this message]
2008-01-15 20:16 ` [Patch] document ext3 requirements (was Re: [RFD] Incremental fsck) Pavel Machek
2008-01-15 21:43 ` David Chinner
2008-01-15 23:07 ` Pavel Machek
2008-01-15 23:44 ` Daniel Phillips
2008-01-16 0:15 ` Alan Cox
2008-01-16 1:24 ` Daniel Phillips
2008-01-16 1:36 ` Chris Mason
2008-01-17 20:54 ` Pavel Machek
2008-01-16 19:06 ` Bryan Henderson
2008-01-16 20:05 ` Alan Cox
2008-01-17 2:02 ` Daniel Phillips
2008-01-17 21:37 ` Bryan Henderson
2008-01-17 22:45 ` Theodore Tso
2008-01-17 22:58 ` Alan Cox
2008-01-17 23:18 ` Ric Wheeler
2008-01-18 0:31 ` Bryan Henderson
2008-01-18 14:23 ` Theodore Tso
2008-01-18 15:16 ` [Patch] document ext3 requirements (was Re: [RFD] Incrementalfsck) linux-os (Dick Johnson)
2008-01-19 14:53 ` Pavel Machek
2008-01-18 15:26 ` [Patch] document ext3 requirements (was Re: [RFD] Incremental fsck) Ric Wheeler
2008-01-18 20:34 ` Jeff Garzik
2008-01-18 22:35 ` Bryan Henderson
2008-01-18 15:08 ` H. Peter Anvin
2008-01-18 17:43 ` Bryan Henderson
2008-01-16 21:28 ` Eric Sandeen
2008-01-16 11:51 ` Pavel Machek
2008-01-16 12:20 ` Valdis.Kletnieks
2008-01-19 14:51 ` Pavel Machek
2008-01-16 16:38 ` Christoph Hellwig
2008-01-16 1:44 ` Daniel Phillips
2008-01-16 3:05 ` Rik van Riel
2008-01-17 7:38 ` Andreas Dilger
2008-01-16 11:49 ` Pavel Machek
2008-01-16 20:52 ` Valerie Henson
2008-01-17 12:29 ` Szabolcs Szakacsits
2008-01-17 22:51 ` Daniel Phillips
2008-01-15 1:04 ` [RFD] Incremental fsck Ric Wheeler
2008-01-14 0:22 ` Daniel Phillips
2008-01-09 8:04 ` Valdis.Kletnieks
[not found] <9JubJ-5mo-57@gated-at.bofh.it>
[not found] ` <9JB3e-85S-13@gated-at.bofh.it>
[not found] ` <9JDRm-4bR-1@gated-at.bofh.it>
[not found] ` <9JHLl-2dL-1@gated-at.bofh.it>
2008-01-11 14:20 ` Bodo Eggert
2008-01-12 10:20 ` Al Boldi
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