From: Michael Weissenbacher <webmaster@dermichi.com>
To: ReiserFS List <reiserfs-list@namesys.com>
Subject: "wrong bytes" with files >=4GiB
Date: Mon, 06 Sep 2004 14:16:33 +0200 [thread overview]
Message-ID: <413C5521.6080700@dermichi.com> (raw)
I'm using kernel 2.6.9-rc1-mm1 (patched for the page-size bug) and
reiser4progs1.0.0. I am able to reproduce a "wrong bytes" problem by
doing the following:
# dd if=/dev/urandom bs=4096 count=1048576 of=/mnt/tmp/testfile
# umount /mnt/tmp
# fsck.reiser4 /dev/sda1
...
FSCK: Node (45223670), item (3), [2a:7465737466696c:1000f] (stat40):
wrong bytes(4294967296), Should be (0).
...
1 fixable corruptions were detected in the FileSystem. Run with --fix
option to fix them.
When doing a fsck.reiser4 with --fix parameter it says
FSCK: Node (45223670), item (3), [2a:7465737466696c:1000f] (stat40):
wrong bytes
(4294967296), Fixed to (0).
and after that it says that the fs is consistent. I cannot find any
difference in the file on the filesystem though.
Is this actually harmful or is it just "statistic" data?
If i'm doing the same test with count=1048575 no corruption is reported
and if i'm doing it for files >4GiB i always get the problem (with
different numbers of course).
I can sent the full fsck output if needed.
BTW this problem also occurs with kernel 2.6.8.1-mm2.
regards
Michael
next reply other threads:[~2004-09-06 12:16 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-09-06 12:16 Michael Weissenbacher [this message]
2004-09-06 15:03 ` "wrong bytes" with files >=4GiB Vladimir Saveliev
2004-09-16 16:08 ` Vitaly Fertman
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