topic Re: backup superblocks in Operating System - Linux

backup superblocks

Chakravarthi — Wed, 23 Nov 2005 09:15:25 GMT

how to know the backup superblocks for a partitions?
and how to recover data from that,

when i do fsck on a partition it gives error message saying super block is not found and recover from backup superblock

i'm using redhat linux

--chakri

Re: backup superblocks

Ivan Ferreira — Wed, 23 Nov 2005 09:21:23 GMT

You can use dumpe2fs. You will get the block group map, and a line that states "backup superblock at".

Re: backup superblocks

Chandan Kumar_1 — Wed, 23 Nov 2005 09:26:36 GMT

Hi Chakravathi,

Following document would help you.

http://www.linuxsa.org.au/tips/superblocks.html

All the best!
Chandan.

Re: backup superblocks

Chakravarthi — Wed, 23 Nov 2005 09:42:52 GMT

thanks