From: Nagilum <nagilum@nagilum.org>
To: Neil Brown <neilb@suse.de>
Cc: linux-raid <linux-raid@vger.kernel.org>
Subject: Re: Problem re-shaping RAID6
Date: Mon, 14 Jun 2010 12:47:23 +0200 [thread overview]
Message-ID: <20100614124723.84152dz5al8096f4@cakebox.homeunix.net> (raw)
In-Reply-To: <20100614091518.2492a9db@notabene.brown>
----- Message from neilb@suse.de ---------
Date: Mon, 14 Jun 2010 09:15:18 +1000
From: Neil Brown <neilb@suse.de>
Subject: Re: Problem re-shaping RAID6
To: Jérôme Poulin <jeromepoulin@gmail.com>
Cc: linux-raid <linux-raid@vger.kernel.org>
> Thanks.
> I fixed this bug a slightly different way
>
> - blocks = ochunk/512 * nchunk/512 * odata * ndata / a;
> + blocks = (ochunk/512) * (nchunk/512) * odata * ndata / a;
>
>
> See
> http://neil.brown.name/git?p=mdadm;a=commitdiff;h=200871adf9e15d5ad985f28c349fd89c386ef48a
Those static numbers always make my nose wrinkle.
Don't we have the blocksize somewhere already? I'm also concerned what
happens when true 4k sectors are used..
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next prev parent reply other threads:[~2010-06-14 10:47 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-06-13 19:15 Problem re-shaping RAID6 Jérôme Poulin
2010-06-13 23:15 ` Neil Brown
2010-06-14 10:47 ` Nagilum [this message]
2010-06-17 5:47 ` Neil Brown
2010-06-17 8:20 ` Michael Evans
2010-06-18 10:53 ` Nagilum
[not found] ` <4C1BBE6E.5090802@tmr.com>
2010-06-29 1:11 ` Neil Brown
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