linux-ext4 - [Bug 16081] Data loss after crash during heavy I/O

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Message-Id: <201006021644.o52GiAlL009713@demeter.kernel.org>
Date:	Wed, 2 Jun 2010 16:44:10 GMT
From:	bugzilla-daemon@...zilla.kernel.org
To:	linux-ext4@...r.kernel.org
Subject: [Bug 16081] Data loss after crash during heavy I/O

https://bugzilla.kernel.org/show_bug.cgi?id=16081

--- Comment #8 from lkolbe@...hfak.uni-bielefeld.de  2010-06-02 16:44:04 ---
Created an attachment (id=26619)
 --> (https://bugzilla.kernel.org/attachment.cgi?id=26619)
root-filesystem borkage

Hm. After a reset, both 9TB-Filesystems were normal (journal replayed. But a
few minutes after the boot, we got really strange errors (see attachment) and
could only resurrect the root-filesystem with a live-cd and it's fsck, as grub
wouldn't detect a filesystem anymore. fsck fixed it, though (broken superblock
and some minor fixes). The system boots as I write this, and I'll continue the
same backup-tests but this time without barriers on both filesystems.

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