La commande 'dumpfs' permet de sortir un certain nombre d'informations sur un système de fichiers, dans le cas de doute sur une corruption éventuelle.
La syntaxe est la suivante :
# dumpfs /nom_fs
dumpfs Command
Purpose
Dumps file system information.
Syntax
dumpfs { FileSystem | Device }
Description
The dumpfs command prints out the superblock, i-node map, and disk map information for the file system or special device specified. This listing is used to find out file system information. Primarily, the dumpfs command is for debugging purposes.
The dumpfs command can also run against a JFS2 snapshot. The dumpfs command prints out the superblock, snapshot map, and block map xtree copy for the specified snapshot.
Note:
The dumpfs command will not work on UDF, NFS, or JFS diskettes.
Examples
To print the information for /dev/hd4, enter:
dumpfs /dev/hd4