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e2fsck does not help to boot

This is a discussion on e2fsck does not help to boot within the Getting started tutorials forums, part of the Linux Getting Started category; I recently had a Redhat v.9 installed to dual boot with xp on my comp. Yesterday while booting linux i ...


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Old 06-03-2008, 04:55 PM
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Default e2fsck does not help to boot

I recently had a Redhat v.9 installed to dual boot with xp on my comp. Yesterday while booting linux i got an error message "checking root filesystem /: The superblock could not be read or does not describe a correct ext2 filesystem. if the device is valid and it really contains an ext2 filesystem (and not swap or ufs or something else), then the superblock is corrupt, and might try running e2fsck with an alternative superblock"
i have tried running "e2fsck -f -b 32768 /dev/hda6" . the system them tells me of numerous errors that i click yes to corrrect. Unfortunately when i reboot i still get the same above error message. Is my linux gone or can i repair it without reinstalling?
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Old 24-03-2008, 11:40 PM
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v9 0_o wow time lag.
-b superblock
Instead of using the normal superblock, use an alternative superblock specified by superblock. This option is
normally used when the primary superblock has been corrupted. The location of the backup superblock is depen-
dent on the filesystem's blocksize. For filesystems with 1k blocksizes, a backup superblock can be found at
block 8193; for filesystems with 2k blocksizes, at block 16384; and for 4k blocksizes, at block 32768.

vs your 32768, wow. you exceeded the limit of blocks. the ideal value is 8193
e2fsck -f -b 32768 /dev/hda6 -> are you sure / is in /dev/hda6? i have never seen anyone till now and neither have i gone installing /root in /dev/hda6.
e2fsck -fy -b 8193 /dev/hda6
e2fsck -p -b 8193 /dev/hda6
let us know.
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