From: Jens Axboe <axboe@suse.de>
To: Andi Kleen <ak@suse.de>
Cc: Andreas Dilger <adilger@turbolinux.com>,
monkeyiq <monkeyiq@users.sourceforge.net>,
linux-kernel@vger.kernel.org
Subject: Re: Dying disk and filesystem choice.
Date: Thu, 24 May 2001 12:19:36 +0200 [thread overview]
Message-ID: <20010524121936.I12470@suse.de> (raw)
In-Reply-To: <m3bsoj2zsw.fsf@kloof.cr.au> <200105240658.f4O6wEWq031945@webber.adilger.int> <20010524103145.A9521@gruyere.muc.suse.de>
In-Reply-To: <20010524103145.A9521@gruyere.muc.suse.de>; from ak@suse.de on Thu, May 24, 2001 at 10:31:45AM +0200
On Thu, May 24 2001, Andi Kleen wrote:
> On Thu, May 24, 2001 at 12:58:14AM -0600, Andreas Dilger wrote:
> > Well reiserfs is probably a very bad choice at this point. It
> > does not have any bad blocks support (yet), so as soon as you have
> > a bad block you are stuck.
>
> reiserfs doesn't, but the HD usually has transparently in its firmware.
> So it hits a bad block; you see an IO error and the next time you hit
> the block the firmware has mapped in a fresh one from its internal
> reserves.
In fact you will typically only see an I/O error if the drive _can't_
remap the sector anymore, because it has run out. No point in reporting
a condition that was recovered.
I'd still say, that if you get bad block errors reported from your disk
it's long overdue for replacement.
--
Jens Axboe
next prev parent reply other threads:[~2001-05-24 10:19 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-05-24 3:25 Dying disk and filesystem choice monkeyiq
2001-05-24 6:03 ` Hans Reiser
2001-05-24 6:58 ` Andreas Dilger
2001-05-24 8:31 ` Andi Kleen
2001-05-24 10:19 ` Jens Axboe [this message]
2001-05-24 12:08 ` monkeyiq
2001-05-24 15:46 ` Jonathan Lundell
2001-05-24 15:50 ` Jonathan Lundell
2001-05-24 15:56 ` Andi Kleen
2001-05-24 16:13 ` Jonathan Lundell
2001-05-24 16:53 ` Hans Reiser
2001-05-24 17:16 ` David Rees
2001-05-24 19:03 ` J Sloan
2001-05-24 20:54 ` Hans Reiser
2001-05-24 19:46 ` Erik Mouw
2001-05-24 21:24 ` Hans Reiser
2001-05-24 22:16 ` Alan Cox
2001-05-25 13:21 ` Chris Mason
2001-05-25 16:21 ` Hans Reiser
2001-05-25 16:58 ` Chris Mason
2001-05-25 17:42 ` Hans Reiser
2001-05-25 11:29 ` Juan Quintela
2001-05-24 21:35 ` monkeyiq
-- strict thread matches above, loose matches on Subject: below --
2001-05-24 17:30 Cress, Andrew R
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