[linux-lvm] Strange file system errors
Heinz Mauelshagen
mauelshagen at redhat.com
Wed Jan 14 18:22:01 UTC 2004
On Wed, Jan 14, 2004 at 12:35:09PM +0100, Kai Weber wrote:
> Hi,
>
> if I have to reboot my system without a clean shutdown the recovered
> filesystems are corrupt. Files which I edited recently and maybe not yet
> written to the buffer are recovered with no or corrupt contents.
>
> For example:
>
> $ ls -l config
> -rw------- 1 bond bond 19622 Jan 14 12:04 .config
> $ stat config
> File: `config'
> Size: 19622 Blocks: 0 IO Block: 4096 regular file
> Device: fe01h/65025d Inode: 20967432 Links: 1
> Access: (0600/-rw-------) Uid: ( 1000/ bond) Gid: ( 1000/ bond)
> Access: 2004-01-14 12:27:01.000000000 +0100
> Modify: 2004-01-14 12:04:16.000000000 +0100
> Change: 2004-01-14 12:04:16.000000000 +0100
> $ cat config
> $ less config
> "config" may be a binary file. See it anyway?
> ^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@
> [...]
> $ strace -e write cat config
> write(1, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 4096) = 4096
> write(1, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 4096) = 4096
> write(1, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 4096) = 4096
> write(1, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 4096) = 4096
> write(1, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 3238) = 3238
>
> I can force this error by pressing the reset button with an open file in my
> text editor. It seems to have nothing to do with the underlying file
> system. I have XFS and ext3 partitions. I would like to know, if it is a
> LVM problem.
No.
>
> Kernel 2.6.1
> LVM version: 2.00.08 (2003-11-14)
> Library version: 1.00.07-ioctl (2003-11-21)
> Driver version: 4.0.0
>
> --
> Kai Weber
> » kai.weber at glorybox.de
> http://www.glorybox.de
>
> _______________________________________________
> linux-lvm mailing list
> linux-lvm at sistina.com
> http://lists.sistina.com/mailman/listinfo/linux-lvm
> read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/
--
Regards,
Heinz -- The LVM Guy --
*** Software bugs are stupid.
Nevertheless it needs not so stupid people to solve them ***
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
Heinz Mauelshagen Sistina Software Inc.
Senior Consultant/Developer Am Sonnenhang 11
56242 Marienrachdorf
Germany
Mauelshagen at Sistina.com +49 2626 141200
FAX 924446
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