From: NeilBrown <neilb@suse.de>
To: Justin Piszcz <jpiszcz@lucidpixels.com>
Cc: joystick <joystick@shiftmail.org>,
linux-raid <linux-raid@vger.kernel.org>
Subject: Re: 3.12: raid-1 mismatch_cnt question
Date: Tue, 12 Nov 2013 08:58:25 +1100 [thread overview]
Message-ID: <20131112085825.16ca8446@notabene.brown> (raw)
In-Reply-To: <CAO9zADyyXiw91y=GwArcC9wUrhRPNNxp_XMAgtcPxR=fiZZY1g@mail.gmail.com>
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On Mon, 11 Nov 2013 13:52:23 -0500 Justin Piszcz <jpiszcz@lucidpixels.com>
wrote:
> > 4- Linux or SSD bug on trim, such as trimming wrong offsets killing live
> > data
> > 5- MD does not lock regions during check so returns erroneous mismatches for
> > areas being written. This would be harmless but your mismatches number seems
> > to high to me for this.
> I wonder if this could be it.
I cannot promise that my code is bug free, but if it wasn't getting this
locking correct, that would be a very serious bug. I think this possibility
is quite unlikely.
NeilBrown
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next prev parent reply other threads:[~2013-11-11 21:58 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-11-04 10:25 3.12: raid-1 mismatch_cnt question Justin Piszcz
2013-11-04 10:25 ` Justin Piszcz
2013-11-07 10:54 ` Justin Piszcz
2013-11-12 0:39 ` Brad Campbell
2013-11-12 9:14 ` Justin Piszcz
[not found] ` <527E8B74.70301@shiftmail.org>
2013-11-09 22:49 ` Justin Piszcz
2013-11-10 12:45 ` joystick
2013-11-11 9:26 ` Justin Piszcz
2013-11-11 11:06 ` joystick
2013-11-11 18:52 ` Justin Piszcz
2013-11-11 21:23 ` John Stoffel
2013-11-11 21:55 ` NeilBrown
2013-11-12 2:49 ` John Stoffel
2013-11-11 21:58 ` NeilBrown [this message]
2013-11-11 22:18 ` Justin Piszcz
2013-11-12 9:30 ` joystick
2013-11-12 10:29 ` Bernd Schubert
2013-11-13 22:10 ` Justin Piszcz
2013-11-14 8:44 ` joystick
2013-11-14 10:43 ` Justin Piszcz
2013-11-14 16:09 ` joystick
2013-11-14 17:22 ` Justin Piszcz
2013-11-15 8:51 ` joystick
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