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 Post subject: LS CHL V1 Mount Failure
PostPosted: Fri Feb 25, 2011 10:44 am 
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Joined: Thu Feb 24, 2011 11:14 pm
Posts: 5
Hi I am trying to recover data on my buffalo hard drive but it cannot mount the data partion as it cannot recognise the file system.

There are 4 partitions we can see
1 partition - EX2 format
2 partition - XFS format that contains Linux, Apache OS
3 parttion - Extended no file system, unrecognised. This contains the main data storage
4 parttion - Swap partition

Testdisk utitlity recognises all parttions except for the data parttion as it appears to be raw and has no recognise file system.

Attempted to mount the data parttion using XFS, EXT3, etc but all failed. What is this file system and how do we mount it or how can we pull data from this raw partition keeping all files and folders intact

Any advice or help would be good


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PostPosted: Fri Feb 25, 2011 11:22 am 
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Joined: Mon Apr 26, 2010 10:24 am
Posts: 2731
I have LS-CHLV2.
sda6 xfs is the data partition

Code:
root@NAS:~# cat /proc/partitions
major minor  #blocks  name

   8     0  976762584 sda
   8     1     999983 sda1
   8     2    5000000 sda2
   8     3          0 sda3
   8     4          0 sda4
   8     5     999999 sda5
   8     6  961750000 sda6
  31     0        512 mtdblock0
root@NAS:~#


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PostPosted: Fri Feb 25, 2011 3:15 pm 
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Joined: Thu Feb 24, 2011 11:14 pm
Posts: 5
Thanks for your help.

What tool would you recommend to recover the data ensuring the data is kept in the same filenames and folders?

This won't be a data recovery as the drive has not been formatted or hasnt deleted any files. I just want to make sure I can access my files to copy them over.


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PostPosted: Fri Feb 25, 2011 4:14 pm 
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Joined: Mon Apr 26, 2010 10:24 am
Posts: 2731
use Linux BootCD with xfs_repair (Kanotix, Knoppix ...)
or
google xfs recover linkstation


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PostPosted: Fri Feb 25, 2011 4:27 pm 
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Joined: Thu Feb 24, 2011 11:14 pm
Posts: 5
How come the other partition reads the XFS format file system but where the data is, it does not read a filesystem?

Does that mean the data partition has a "bad superblock"?


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PostPosted: Fri Feb 25, 2011 10:57 pm 
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Joined: Thu Feb 24, 2011 11:14 pm
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How do I repair the bad superblock?


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