Linux file system problem: Wrong FS type, bad option, bad Superblock

http://blog.itpub.net/26006637/viewspace-1059946/

Error content:

Mount:wrong fs type, bad option, bad Superblock On/dev/mapper/oraclevg-oraclelv,

Missing codepage or helper program, or other error

In some cases useful info are found in Syslog-try

DMESG | Tail or so

[@[email protected]]

The problem resolution process is as follows:

To see if the file system is mounted:

ebdbpro:/# Df-h

Filesystem Size used Avail use% mounted on

/DEV/CCISS/C0D0P2 273G 8.2G 251G 4%/

Devtmpfs 16G 156K 16G 1%/dev

Tmpfs 16G 1.9M 16G 1%/DEV/SHM

/dev/dm-1 501G 198M 476G 1%/local_bkup

Mount File system error:

ebdbpro:/# mount/dev/mapper/oraclevg-oraclelv/eb_db

Mount:wrong fs type, bad option, bad Superblock On/dev/mapper/oraclevg-oraclelv,

Missing codepage or helper program, or other error

In some cases useful info are found in Syslog-try

DMESG | Tail or so

To view the file system Partition table:

ebdbpro:/# More/etc/fstab

/dev/disk/by-id/cciss-3600508b1001c791ddb08dc877ac0021e-part1 swap swap defaults 0 0

/DEV/DISK/BY-ID/CCISS-3600508B1001C791DDB08DC877AC0021E-PART2/EXT3 acl,user_xattr 1 1

PROC/PROC proc Defaults 0 0

Sysfs/sys SYSFS noauto 0 0

Debugfs/sys/kernel/debug Debugfs noauto 0 0

Usbfs/proc/bus/usb USBFS noauto 0 0

Devpts/dev/pts devpts mode=0620,gid=5 0 0

/dev/disk/by-id/cciss-3600508b1001c7923bcc83ceb8f780b6b-part1/local_bkup ext3 acl,user_xattr 1 2

#/dev/oraclevg/oraclelv/eb_db ext3 noauto,acl,user_xattr 0 0

Repair File System:

ebdbpro:/# fsck-t Ext3/dev/mapper/oraclevg-oraclelv

Fsck from Util-linux-ng 2.16

E2fsck 1.41.9 (22-aug-2009)

Fsck.ext3:Group descriptors look bad ... trying backup blocks ...

/dev/mapper/oraclevg-oraclelv is not cleanly unmounted, check forced.

Pass 1:checking inodes, blocks, and sizes

Pass 2:checking directory structure

Pass 3:checking Directory Connectivity

Pass 4:checking Reference counts

Pass 5:checking Group summary Information

/DEV/MAPPER/ORACLEVG-ORACLELV: * * * * * FILE SYSTEM was MODIFIED * * * * *

/dev/mapper/oraclevg-oraclelv:11/52559872 files (0.0% non-contiguous), 3349081/210238464 blocks

Linux file system problem: Wrong FS type, bad option, bad Superblock