[gentoo-user] Issuses with partition

[gentoo-user] Issuses with partition

[Юрий Дмитришин]

Hi.

I've resized my /home (/dev/sda7) with gparted and now I can't mount it. The 
filesystem was ext3.

The output of `mount -t ext3 /dev/sda7 /home` or `mount -t 
ext2 /dev/sda7 /home`is: 
wrong fs type, bad option, bad superblock on /dev/sda7.

The output of `fsck -y /dev/sda7` is:
fsck 1.41.2 (02-Oct-2008)
e2fsck 1.41.2 (02-Oct-2008)
fsck.ext3: Group descriptors look bad... trying backup blocks...
Superblock has an invalid ext3 journal (inode 8).
Clear? yes

*** ext3 journal has been deleted - filesystem is now ext2 only ***

Corruption found in superblock.  (inodes_count = 0).

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 you might try running e2fsck with an alternate superblock:
    e2fsck -b 32768 <device>

The ouput of `dumpe2fs /dev/sda7` is:
dumpe2fs 1.41.2 (02-Oct-2008)
Filesystem volume name:   <none>
Last mounted on:          <not available>
Filesystem UUID:          72c8beda-d12e-41d3-91f9-ed97c9c6486d
Filesystem magic number:  0xEF53
Filesystem revision #:    1 (dynamic)
Filesystem features:      has_journal dir_index filetype sparse_super 
large_file
Filesystem flags:         signed_directory_hash
Default mount options:    (none)
Filesystem state:         clean with errors
Errors behavior:          Continue
Filesystem OS type:       Linux
Inode count:              8241152
Block count:              16472641
Reserved block count:     824289
Free blocks:              3285006
Free inodes:              6202803
First block:              0
Block size:               4096
Fragment size:            4096
Blocks per group:         32768
Fragments per group:      32768
Inodes per group:         16384
Inode blocks per group:   512
Filesystem created:       Tue Feb 19 15:48:22 2008
Last mount time:          Wed Nov 19 21:15:08 2008
Last write time:          Thu Nov 20 19:15:07 2008
Mount count:              7
Maximum mount count:      35
Last checked:             Wed Nov 19 15:47:53 2008
Check interval:           15552000 (6 months)
Next check after:         Mon May 18 16:47:53 2009
Reserved blocks uid:      0 (user root)
Reserved blocks gid:      0 (group root)
First inode:              11
Inode size:               128
Journal inode:            8
Default directory hash:   tea
Directory Hash Seed:      2c2a57d9-9804-450f-8db8-e7c0c706b975
Journal backup:           inode blocks
dumpe2fs: A block group is missing an inode table while reading journal inode

Thanks for your help.

--
Best, Yuriy A. Dmitrishin.

Re: [gentoo-user] Issuses with partition

[Joshua Murphy]

On Thu, Nov 20, 2008 at 12:17 PM, Юрий Дмитришин <admin@art-fm.com.ua> wrote:
> Hi.
>
> I've resized my /home (/dev/sda7) with gparted and now I can't mount it. The
> filesystem was ext3.
>
> The output of `mount -t ext3 /dev/sda7 /home` or `mount -t
> ext2 /dev/sda7 /home`is:
> wrong fs type, bad option, bad superblock on /dev/sda7.
>
> The output of `fsck -y /dev/sda7` is:
> fsck 1.41.2 (02-Oct-2008)
> e2fsck 1.41.2 (02-Oct-2008)
> fsck.ext3: Group descriptors look bad... trying backup blocks...
> Superblock has an invalid ext3 journal (inode 8).
> Clear? yes
>
> *** ext3 journal has been deleted - filesystem is now ext2 only ***
>
> Corruption found in superblock.  (inodes_count = 0).
>
> 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 you might try running e2fsck with an alternate superblock:
>    e2fsck -b 32768 <device>
>
> The ouput of `dumpe2fs /dev/sda7` is:
> dumpe2fs 1.41.2 (02-Oct-2008)
> Filesystem volume name:   <none>
> Last mounted on:          <not available>
> Filesystem UUID:          72c8beda-d12e-41d3-91f9-ed97c9c6486d
> Filesystem magic number:  0xEF53
> Filesystem revision #:    1 (dynamic)
> Filesystem features:      has_journal dir_index filetype sparse_super
> large_file
> Filesystem flags:         signed_directory_hash
> Default mount options:    (none)
> Filesystem state:         clean with errors
> Errors behavior:          Continue
> Filesystem OS type:       Linux
> Inode count:              8241152
> Block count:              16472641
> Reserved block count:     824289
> Free blocks:              3285006
> Free inodes:              6202803
> First block:              0
> Block size:               4096
> Fragment size:            4096
> Blocks per group:         32768
> Fragments per group:      32768
> Inodes per group:         16384
> Inode blocks per group:   512
> Filesystem created:       Tue Feb 19 15:48:22 2008
> Last mount time:          Wed Nov 19 21:15:08 2008
> Last write time:          Thu Nov 20 19:15:07 2008
> Mount count:              7
> Maximum mount count:      35
> Last checked:             Wed Nov 19 15:47:53 2008
> Check interval:           15552000 (6 months)
> Next check after:         Mon May 18 16:47:53 2009
> Reserved blocks uid:      0 (user root)
> Reserved blocks gid:      0 (group root)
> First inode:              11
> Inode size:               128
> Journal inode:            8
> Default directory hash:   tea
> Directory Hash Seed:      2c2a57d9-9804-450f-8db8-e7c0c706b975
> Journal backup:           inode blocks
> dumpe2fs: A block group is missing an inode table while reading journal inode
>
> Thanks for your help.
>
> --
> Best, Yuriy A. Dmitrishin.

Just a quick guess off the top of my head... when you resized... did
you add or remove space, and did you make the change at the start or
end of the partition?

-- 
Poison [BLX]
Joshua M. Murphy

Re: [gentoo-user] Issuses with partition

[Юрий Дмитришин]

В сообщении от Thursday 20 November 2008 23:04:18 Joshua Murphy написал(а):
> On Thu, Nov 20, 2008 at 12:17 PM, Юрий Дмитришин <admin@art-fm.com.ua> 
wrote:
> > Hi.
> >
> > I've resized my /home (/dev/sda7) with gparted and now I can't mount it.
> > The filesystem was ext3.
> >
> > The output of `mount -t ext3 /dev/sda7 /home` or `mount -t
> > ext2 /dev/sda7 /home`is:
> > wrong fs type, bad option, bad superblock on /dev/sda7.
> >
> > The output of `fsck -y /dev/sda7` is:
> > fsck 1.41.2 (02-Oct-2008)
> > e2fsck 1.41.2 (02-Oct-2008)
> > fsck.ext3: Group descriptors look bad... trying backup blocks...
> > Superblock has an invalid ext3 journal (inode 8).
> > Clear? yes
> >
> > *** ext3 journal has been deleted - filesystem is now ext2 only ***
> >
> > Corruption found in superblock.  (inodes_count = 0).
> >
> > 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 you might try running e2fsck with an alternate
> > superblock: e2fsck -b 32768 <device>
> >
> > The ouput of `dumpe2fs /dev/sda7` is:
> > dumpe2fs 1.41.2 (02-Oct-2008)
> > Filesystem volume name:   <none>
> > Last mounted on:          <not available>
> > Filesystem UUID:          72c8beda-d12e-41d3-91f9-ed97c9c6486d
> > Filesystem magic number:  0xEF53
> > Filesystem revision #:    1 (dynamic)
> > Filesystem features:      has_journal dir_index filetype sparse_super
> > large_file
> > Filesystem flags:         signed_directory_hash
> > Default mount options:    (none)
> > Filesystem state:         clean with errors
> > Errors behavior:          Continue
> > Filesystem OS type:       Linux
> > Inode count:              8241152
> > Block count:              16472641
> > Reserved block count:     824289
> > Free blocks:              3285006
> > Free inodes:              6202803
> > First block:              0
> > Block size:               4096
> > Fragment size:            4096
> > Blocks per group:         32768
> > Fragments per group:      32768
> > Inodes per group:         16384
> > Inode blocks per group:   512
> > Filesystem created:       Tue Feb 19 15:48:22 2008
> > Last mount time:          Wed Nov 19 21:15:08 2008
> > Last write time:          Thu Nov 20 19:15:07 2008
> > Mount count:              7
> > Maximum mount count:      35
> > Last checked:             Wed Nov 19 15:47:53 2008
> > Check interval:           15552000 (6 months)
> > Next check after:         Mon May 18 16:47:53 2009
> > Reserved blocks uid:      0 (user root)
> > Reserved blocks gid:      0 (group root)
> > First inode:              11
> > Inode size:               128
> > Journal inode:            8
> > Default directory hash:   tea
> > Directory Hash Seed:      2c2a57d9-9804-450f-8db8-e7c0c706b975
> > Journal backup:           inode blocks
> > dumpe2fs: A block group is missing an inode table while reading journal
> > inode
> >
> > Thanks for your help.
> >
> > --
> > Best, Yuriy A. Dmitrishin.
>
> Just a quick guess off the top of my head... when you resized... did
> you add or remove space, and did you make the change at the start or
> end of the partition?

My old disk scheme:
sda1(/boot)   sda2(/)   <sda4(swap)   sda5(/var)   sda6(/usr)   sda7(home)>
My new disk scheme:
sda1(/boot)   sda2(/)   <sda4(swap)   sda5(/var)   sda6(/usr)   sda8(new 
partition)  sda7(home)>

So, I've made my sda6 smaller, added sda8 and filled all avaible space with 
sda7.

-- 
Best, Yuriy A. Dmitrishin.

Re: [gentoo-user] Issuses with partition

[Stroller]

On 20 Nov 2008, at 17:17, Юрий Дмитришин wrote:
> ...
> I've resized my /home (/dev/sda7) with gparted and now I can't mount  
> it. The
> filesystem was ext3.
> ...
> The output of `fsck -y /dev/sda7` is:
> fsck 1.41.2 (02-Oct-2008)
> e2fsck 1.41.2 (02-Oct-2008)
> fsck.ext3: Group descriptors look bad... trying backup blocks...
> Superblock has an invalid ext3 journal (inode 8).
> Clear? yes

Hi Yuriy,

If you don't already have a backup, then I suggest you make one NOW.  
Use dd to copy the partition to another disk. This gives you more  
options & freedom to try different recovery methods.

Stroller.

Re: [gentoo-user] Issuses with partition

[Юрий Дмитришин]

В сообщении от Friday 21 November 2008 15:05:24 Stroller написал(а):
> On 20 Nov 2008, at 17:17, Юрий Дмитришин wrote:
> > ...
> > I've resized my /home (/dev/sda7) with gparted and now I can't mount
> > it. The
> > filesystem was ext3.
> > ...
> > The output of `fsck -y /dev/sda7` is:
> > fsck 1.41.2 (02-Oct-2008)
> > e2fsck 1.41.2 (02-Oct-2008)
> > fsck.ext3: Group descriptors look bad... trying backup blocks...
> > Superblock has an invalid ext3 journal (inode 8).
> > Clear? yes
>
> Hi Yuriy,
>
> If you don't already have a backup, then I suggest you make one NOW.
> Use dd to copy the partition to another disk. This gives you more
> options & freedom to try different recovery methods.
>
> Stroller.

Hi.

I've already made backup of my /dev/sda7 to NFS. Thanks for your advice.

-- 
Best, Yuriy A. Dmitrishin.