From: Farkas Levente <lfarkas@bppiac.hu>
To: Neil Brown <neilb@suse.de>
Cc: linux-raid@vger.kernel.org
Subject: Re: raid5 write performance
Date: Sat, 19 Nov 2005 12:59:48 +0100 [thread overview]
Message-ID: <437F13B4.1070308@bppiac.hu> (raw)
In-Reply-To: <17278.48635.585763.580503@cse.unsw.edu.au>
Neil Brown wrote:
> The other is to use a filesystem that allows the problem to be avoided
> by making sure that the only blocks that can be corrupted are dead
> blocks.
> This could be done with a copy-on-write filesystem that knows about the
> raid5 geometry, and only ever writes to a stripe when no other blocks
> on the stripe contain live data.
> I've been working on a filesystem which does just this, and hope to
> have it available in a year or two (it is a back-ground 'hobby'
> project).
why are you waiting so long? why not just release the project plan, and
any pre-pre-alpha code? that's the point of the cathedral and the
bazaar. may be others can help, find bugs, write code, etc..
--
Levente "Si vis pacem para bellum!"
next prev parent reply other threads:[~2005-11-19 11:59 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-11-18 14:05 raid5 write performance Jure Pečar
2005-11-18 19:19 ` Dan Stromberg
2005-11-18 19:23 ` Mike Hardy
2005-11-19 4:40 ` Guy
2005-11-19 4:57 ` Mike Hardy
2005-11-19 5:54 ` Neil Brown
2005-11-19 11:59 ` Farkas Levente [this message]
2005-11-20 23:39 ` Neil Brown
2005-11-19 19:52 ` Carlos Carvalho
2005-11-20 19:54 ` Paul Clements
2005-11-19 5:56 ` Guy
2005-11-19 19:30 ` raid5 reliability (was raid5 write performance) Carlos Carvalho
2005-11-20 0:27 ` Guy
-- strict thread matches above, loose matches on Subject: below --
2006-07-02 14:02 raid5 write performance Raz Ben-Jehuda(caro)
2006-07-02 22:35 ` Neil Brown
2006-08-13 13:19 ` Raz Ben-Jehuda(caro)
2006-08-28 4:32 ` Neil Brown
2007-03-30 21:44 ` Raz Ben-Jehuda(caro)
2007-03-31 21:28 ` Bill Davidsen
2007-03-31 23:03 ` Raz Ben-Jehuda(caro)
2007-04-01 2:16 ` Bill Davidsen
2007-04-01 23:08 ` Dan Williams
2007-04-02 14:13 ` Raz Ben-Jehuda(caro)
[not found] ` <17950.50209.580439.607958@notabene.brown>
[not found] ` <5d96567b0704161329n5c3ca008p56df00baaa16eacb@mail.gmail.com>
2007-04-19 8:28 ` Raz Ben-Jehuda(caro)
2007-04-19 9:20 ` Neil Brown
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