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Old 03-22-2010, 03:49 PM   #1
sumanc
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Registered: Mar 2004
Location: Bangalore, India
Distribution: Ubuntu 9.04, Fedora 10
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Unhappy Hard disk failure : couldn't mount because of unsupported optional features


Hello all,

One of my SATA hard disks stopped responding in the middle of a rsync file transfer to it. I had to kill the process. After that I am unable to mount that partition.

I am using Ubuntu 9.10 x86_64 version. Here are the error messages and what I have tried:

~$ sudo mount /dev/sdb1
mount: wrong fs type, bad option, bad superblock on /dev/sdb1,
missing codepage or helper program, or other error
In some cases useful info is found in syslog - try
dmesg | tail or so

~$ dmesg | tail
[ 1467.542558] ata2: softreset failed (device not ready)
[ 1467.542569] ata2: applying SB600 PMP SRST workaround and retrying
[ 1467.721330] ata2: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
[ 1467.758987] ata2.00: SB600 AHCI: limiting to 255 sectors per cmd
[ 1467.780253] ata2.00: SB600 AHCI: limiting to 255 sectors per cmd
[ 1467.780263] ata2.00: configured for UDMA/133
[ 1467.780276] ata2.00: device reported invalid CHS sector 0
[ 1467.780298] ata2: EH complete
[ 1503.252420] EXT3-fs: sdb1: couldn't mount because of unsupported optional features (1d0000).
[ 1679.383193] EXT3-fs: sdb1: couldn't mount because of unsupported optional features (1d0000).

~$ sudo e2fsck /dev/sdb1
e2fsck 1.41.9 (22-Aug-2009)
/dev/sdb1 has unsupported feature(s): FEATURE_I16 FEATURE_I18 FEATURE_I19 FEATURE_I20
e2fsck: Get a newer version of e2fsck!


Here I am at a loss! Is there any way to force checking of the file system and to recover the data I have in there? Thanks for any advice/suggestions. I have tried the solution posted in http://www.linuxquestions.org/questi...000200-616473/ , but e2fsck -b <my superblock number> /dev/sdb1 shows "Journal version not supported by this e2fsck."

I am quite sure I had formatted the disk as ext3 filesystem!

Last edited by sumanc; 03-22-2010 at 03:51 PM.
 
Old 03-22-2010, 04:12 PM   #2
rokytnji
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Registered: Mar 2008
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Never had to use it, But could be worth a shot.

http://www.linuxinet.com/free-linux-...-terminal.html
 
Old 03-22-2010, 05:11 PM   #3
sumanc
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Registered: Mar 2004
Location: Bangalore, India
Distribution: Ubuntu 9.04, Fedora 10
Posts: 23

Original Poster
Rep: Reputation: 15
Smile

Quote:
Originally Posted by rokytnji View Post
Never had to use it, But could be worth a shot.

http://www.linuxinet.com/free-linux-...-terminal.html

Thanks for the info. I shall give it a shot.
 
  


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