File System Corruption on IBM DS8300 Post: 302320596

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Operating Systems AIX File System Corruption on IBM DS8300 Post 302320596 by m_raheelahmed on Thursday 28th of May 2009 11:43:15 AM

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05-28-2009

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The corruption of file system was occurred some times on Application File system & some times on Database file system, We are using Bea Weblogic & Oracle 10g Database, previously the corruption error was occurred with a time span of two weeks, now form last two months we noted that the corruption error came on DS8300 after two weeks We do not have HACMP environment but we are using SDDPCM with MPIO for attaching host, we made the VG's & FS available on one host at a time.

The error which came on host was FILE SYSTEM CORRUPTION when we saw the error report by errpt -a it shows some file name j2imap.c and in the end the name of the effected file system was written.Yes fsck always fix it. When the fsck repairing the file system it display messages like super block mark dirty but Fixed.

m_raheelahmed

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fsck.reiser4

fsck.reiser4(8) 						reiser4progs manual						   fsck.reiser4(8)

NAME

       fsck.reiser4 - the program for checking and repairing reiser4 filesystem.

SYNOPSIS

       fsck.reiser4 [ options ] FILE

DESCRIPTION

       fsck.reiser4 is reiser4 filesystem check and repair program.

CHECK OPTIONS

       --check
	      the default action checks the consistency and reports, but does not repair any corruption that it finds.	This option may be used on
	      a read-only file system mount.

       --fix  fixes minor corruptions that do not require rebuilding; sets up correct values of bytes unsupported by kernel in the case of  trans-
	      parent compression.

       --build-sb
	      fixes all severe corruptions in super blocks, rebuilds super blocks from scratch if needed.

       --build-fs
	      fixes all severe fs corruptions, except super block ones; rebuilds reiser4 filesystem from the scratch if needed.

       -L, --logfile
	      forces fsck to report any corruption it finds to the specified logfile rather then on stderr.

       -n, --no-log
	      prevents fsck from reporting any kind of corruption.

       -a, --auto
	      automatically checks the file system without any questions.

       -q, --quiet
	      supresses gauges.

       -r     ignored.

PLUGIN OPTIONS

       --print-profile
	      prints  the  plugin profile. This is the set of default plugins used for all parts of a filesystem -- format, nodes, files, directo-
	      ries, hashes, etc. If --override is specified, then prints modified plugins.

       -l, --print-plugins
	      prints all plugins libreiser4 know about.

       -o, --override TYPE=PLUGIN, ...
	      overrides the default plugin of the type "TYPE" by the plugin "PLUGIN" in the plugin profile.

COMMON OPTIONS

       -V, --version
	      prints program version

       -?, -h, --help
	      prints program help

       -q, --quiet
	      suppress messages.

       -y, --yes
	      assumes an answer 'yes' to all questions.

       -f, --force
	      forces fsck to use whole disk, not block device or mounted partition.

       -p, --preen
	      automatically repair minor corruptions on the filesystem.

       -c, --cache N
	      tunes number of nodes in the libreiser4 tree buffer cache

REPORTING BUGS

       Report bugs to <reiserfs-devel@vger.kernel.org>

SEE ALSO

       debugfs.reiser4(8), mkfs.reiser4(8), measurefs.reiser4(8)

AUTHOR

       This manual page was written by Vitaly Fertman <vitaly@namesys.com>

reiser4progs							 05 February, 2004						   fsck.reiser4(8)