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Re: [linux-lvm] EXT3-fs: unable to read superblock



Thank you for your answer, but when I do this command, this error appear :
tune2fs: Argument invalide while trying to open /dev/mapper/VolGroup00-mysqldata
Couldn't find valid filesystem superblock.

The only solution I see now is to format this partition...

Evan Cofsky wrote:
On 12/11 17:33, Jean Chiappini wrote:
Hello all,

I have a server production with centos 4 with kernel 2.6.9-42 and lvm2-2.02.06 installed. All was working find, but today the server crashed. When I would reboot my server, I saw in the log that the lvm partiton wouldn't mount. This is the error -> kernel: EXT3-fs: unable to read superblock.

I had this problem recently with a few systems.  Try booting to
single-user mode, and then do the following command:

tune2fs -j DEVICE-FILE-WITH-PROBLEM

This will create a new journal on the filesystem.  I haven't tracked
down why the journal disappears yet, but it seems to, and then the
system (of course) won't mount it as ext3.

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