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#1 2008-01-11 09:53:43

borko
New member
Registered: 2008-01-11
Posts: 2

File System Problem? (bad magic number in super-block)

Hi all!

I have a Conceptronic CH3SNAS w/ 2 x 500GB Samsung on Raid0 and FunPlug installed, my actual Firmware is 1.03
If I try to start some scripts (i.e. a Fan Script to avoid the annoying noise level), I'll get the following error message:

expr: syntax error
Segmentation fault

That script was always working properly, so I have never touched it.
Have already tried to use fsck with all options, but the only message is "bad magic number in super-block"
I'm not a Unix Geek, but I think that message has something to do with the file system consistency.

Both error messages seems to have a close relationship.
Does anyone have an idea how to solve that problem ?


Thanks in advance

Last edited by borko (2008-01-11 09:55:09)

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#2 2008-01-11 15:19:40

HighWater
Member
Registered: 2007-08-10
Posts: 19

Re: File System Problem? (bad magic number in super-block)

try is dumpe2fs exists.

if it does do the following
dumpe2fs partition

grab the first number of any group except for group 0

do a
fsck -p -b <number_from_group> <partition>

this should use the next superblock iwhich is probably ok.
and will fix the first superblock.

hope it works for ya.

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#3 2008-01-11 23:47:53

borko
New member
Registered: 2008-01-11
Posts: 2

Re: File System Problem? (bad magic number in super-block)

Many thanks, HighWater, appreciate your help.
Unfortunatelly, I don't have dumpe2fs installed.
Any other idea how I can find out the group number, or how to install dumpe2fs on the CH3SNAS ?

Thanks a lot

Last edited by borko (2008-01-11 23:48:13)

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#4 2008-01-12 19:19:20

HighWater
Member
Registered: 2007-08-10
Posts: 19

Re: File System Problem? (bad magic number in super-block)

default usually is 32768 as far as i know.

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