From: Josh Triplett <josh@joshtriplett.org>
To: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Cc: "Theodore Ts'o" <tytso@mit.edu>,
Lukas Czerner <lczerner@redhat.com>,
linux-kernel@vger.kernel.org
Subject: Re: Nature of ext4 corruption fixed by recent patch?
Date: Wed, 20 May 2015 20:24:48 -0700 [thread overview]
Message-ID: <20150521032448.GA14632@x> (raw)
In-Reply-To: <20150521012322.GA18542@khazad-dum.debian.net>
On Wed, May 20, 2015 at 10:23:22PM -0300, Henrique de Moraes Holschuh wrote:
> On Wed, 20 May 2015, josh@joshtriplett.org wrote:
> > md-based RAID0, on top of a pair of SSDs.
>
> Might this be it? It was mentioned in another, more recent thread about
> data loss involving md-raid0 and ssds...
>
> https://bugzilla.kernel.org/show_bug.cgi?id=98501
That looks extremely likely, particularly since I do have the "discard"
option enabled. And discarding the wrong blocks seems entirely
consistent with the symptoms I've observed.
Thanks! I'll disable discard as a short-term workaround until that
change goes into the Debian kernel.
- Josh Triplett
prev parent reply other threads:[~2015-05-21 3:24 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-18 22:58 Nature of ext4 corruption fixed by recent patch? josh
2015-05-19 13:40 ` Theodore Ts'o
2015-05-19 16:37 ` Josh Triplett
2015-05-19 17:50 ` Theodore Ts'o
2015-05-20 22:50 ` josh
2015-05-21 1:23 ` Henrique de Moraes Holschuh
2015-05-21 3:24 ` Josh Triplett [this message]
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