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Showing posts from January, 2011

Network fundamentals free course

Network fundamentals free course form Juniper follow this link http://www.juniper.net/us/en/training/elearning/net_fun.html

Recovering from super block errors

If you receive one of the following errors from the problem may be a corrupted superblock: fsck or mount commands, the fsck: Not an AIX3 file system fsck: Not an AIXV3 file system fsck: Not an AIX4 file system fsck: Not an AIXV4 file system fsck: Not a recognized file system type mount: invalid argument The problem can be resolved by restoring the backup of the superblock over the primary superblock using one of the following commands: dd count=1 bs=4k skip=31 seek=1 if=/dev/lv00 of=/dev/lv00 Once the restoration process is completed, check the integrity of the file system