From: Matthias Urlichs <matthias@urlichs.de>
To: Goswin von Brederlow <goswin-v-b@web.de>
Cc: linux-raid@vger.kernel.org
Subject: Re: Re-map disk sectors in userspace when rewriting after read errors
Date: Wed, 16 Sep 2009 15:13:33 +0200 [thread overview]
Message-ID: <1253106813.17888.9.camel@localhost> (raw)
In-Reply-To: <87ws3z5iro.fsf@frosties.localdomain>
On Wed, 2009-09-16 at 11:41 +0200, Goswin von Brederlow wrote:
> Alternatively write a re-map device-mapper target that reserves some
> space of the disk and remaps bad blocks itself.
>
That'd require some place to store the mapping so that the whole thing
still works after a reboot. Which should probably be on a different
disk.
I tend to want to move (part of) that problem to userspace; you may want
to do more than a simple remapping of a few blocks when that happens
(e.g. test-reading the surrounding area).
next prev parent reply other threads:[~2009-09-16 13:13 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-09-15 6:23 Re-map disk sectors in userspace when rewriting after read errors Matthias Urlichs
2009-09-15 6:45 ` berk walker
2009-09-15 7:23 ` Matthias Urlichs
2009-09-15 7:13 ` Alex Butcher
2009-09-15 7:29 ` Matthias Urlichs
2009-09-15 7:37 ` Alex Butcher
2009-09-15 10:48 ` Matthias Urlichs
2009-09-16 9:41 ` Goswin von Brederlow
2009-09-16 13:13 ` Matthias Urlichs [this message]
2009-09-18 8:17 ` Majed B.
2009-09-18 8:28 ` Robin Hill
2009-09-18 9:57 ` Majed B.
2009-09-18 10:22 ` Robin Hill
2009-09-18 10:52 ` Majed B.
2009-09-18 11:15 ` Robin Hill
2009-09-18 11:35 ` Matthias Urlichs
2009-09-18 17:44 ` John Robinson
2009-09-18 18:02 ` Greg Freemyer
2009-09-18 20:13 ` Majed B.
2009-10-02 13:55 ` Bill Davidsen
2009-09-15 10:40 ` Majed B.
2009-09-15 10:52 ` Matthias Urlichs
2009-09-15 11:03 ` Majed B.
2009-09-15 17:02 ` Majed B.
2009-09-15 18:05 ` Matthias Urlichs
2009-09-15 18:14 ` Majed B.
2009-09-15 18:44 ` Matthias Urlichs
2009-09-16 9:31 ` Majed B.
2009-09-16 9:44 ` Matthias Urlichs
2009-09-16 9:52 ` Majed B.
2009-09-16 13:05 ` Alex Butcher
2009-09-16 10:00 ` Robin Hill
2009-09-16 10:07 ` Majed B.
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