Re: command 'mount /dev/sdc /media/disk2' failed after fsck.reiser4 --build-fs /dev/sdc

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On 01/31/2012 02:06 AM, doiggl@xxxxxxxxxxxxxxxxxx wrote:
On Sun, 29 Jan 2012 16:24:11 +0100, Edward Shishkin
<edward.shishkin@xxxxxxxxx>  wrote:
On 01/29/2012 02:35 PM, doiggl@xxxxxxxxxxxxxxxxxx wrote:
On Sun, 29 Jan 2012 08:51:53 +0100, Jonáš
Vidra<vidra.jonas@xxxxxxxxx>
wrote:
Dne Sun, 29 Jan 2012 05:15:48 +0100<doiggl@xxxxxxxxxxxxxxxxxx>
napsal(a):

Hello,
I did a repair on a reiser4 partition as follows:
# fsck.reiser4 --build-fs  /dev/sdc

…

# mount /dev/sdc  /media/disk2
mount: No such file or directory

This did not work either
mount -t reiser4  /dev/sdc  /media/disk2
mount: No such file or directory

Other details
-------------
# cd /media
# md disk2
# ll
total 3
drwxr-xr-x 79 root root 2520 Jan 24 01:20 disk
drwxr-xr-x  2 root root   40 Jan 29 14:01 disk2

Hello,

I suppose "md" is an alias for mkdir, right? And "ll" for ls -l? Did
the
directory /media/disk2 exist at the time you were trying to mount to
it?
Does your syslog contain anything useful?
Hello
Did the directory /media/disk2 exist at the time you were trying to
mount
to it? Yes

Does your syslog contain anything useful?
# dmesg contans the following warnings:
[41535.199439] Loading Reiser4. See www.namesys.com for a description
of
Reiser4.
[41535.205895] reiser4: sdc: found disk format 4.0.0.
[41644.512374] reiser4[mount(3109)]: traverse_tree

(/home/abuild/rpmbuild/BUILD/kernel-vanilla-3.0.13/linux-3.0/fs/reiser4/search.c:725)[nikita-373]:
[41644.512380] WARNING: not found on internal node: level: 6,
lock_level:
1, stop_level: 1 lock_mode: read, bias: exact
[41644.512395] reiser4[mount(3109)]: key_warning

(/home/abuild/rpmbuild/BUILD/kernel-vanilla-3.0.13/linux-3.0/fs/reiser4/plugin/file_plugin_common.c:511)[nikita-717]:
[41644.512400] WARNING: Error for inode 42 (-2)
[44813.457093] reiser4: sdc: found disk format 4.0.0.
[44923.248153] reiser4[mount(13238)]: traverse_tree

(/home/abuild/rpmbuild/BUILD/kernel-vanilla-3.0.13/linux-3.0/fs/reiser4/search.c:725)[nikita-373]:
[44923.248158] WARNING: not found on internal node: level: 6,
lock_level:
1, stop_level: 1 lock_mode: read, bias: exact
[44923.248173] reiser4[mount(13238)]: key_warning

(/home/abuild/rpmbuild/BUILD/kernel-vanilla-3.0.13/linux-3.0/fs/reiser4/plugin/file_plugin_common.c:511)[nikita-717]:
[44923.248178] WARNING: Error for inode 42 (-2)


Looks like stat-data of root inode can not be found at mount time.
Could you please run fsck.reiser4 --check /dev/sdc and send the output?

Thanks,
Edward.
Hello,
I run the command [it took some time] and the result was as follows:
# fsck.reiser4 --check /dev/sdc
*******************************************************************
This is an EXPERIMENTAL version of fsck.reiser4. Read README first.
*******************************************************************

Fscking the /dev/sdc block device.

Will check the consistency of the Reiser4 SuperBlock.

Will check the consistency of the Reiser4 FileSystem.

Continue?

(Yes/No): yes
***** fsck.reiser4 started at Mon Jan 30 23:10:17 2012
Reiser4 fs was detected on /dev/sdc.

Master super block (16):
magic:          ReIsEr4
blksize:        4096
format:         0x0 (format40)
uuid:           3006ced1-7490-4ea8-a9b8-d82143c6bede
label:<none>

Format super block (17):
plugin:         format40
description:    Disk-format plugin.
version:        0
magic:          ReIsEr40FoRmAt
mkfs id:        0x1ddaf754
flushes:        0
blocks:         488378640
free blocks:    217146980
root block:     37017218
tail policy:    0x2 (smart)
next oid:       0xedade
file count:     188313
tree height:    6
key policy:     LARGE


CHECKING THE STORAGE TREE

         Read nodes 197008413

         Nodes left in the tree 197008413
                 Leaves of them 194764277, Twigs of them 2217790
         Time interval: Mon Jan 30 23:12:14 2012 - Tue Jan 31 07:48:37 2012

CHECKING EXTENT REGIONS.

         Read twigs 2217790

         Time interval: Tue Jan 31 07:48:37 2012 - Tue Jan 31 09:58:54 2012

CHECKING THE SEMANTIC TREE

FSCK: semantic.c: 573: repair_semantic_dir_open: Failed to recognize the
plugin for the directory [29:0:2a].
FSCK: semantic.c: 651: repair_semantic_root_prepare: No root directory
opened.
         Time interval: Tue Jan 31 09:58:54 2012 - Tue Jan 31 09:58:54 2012

FSCK: repair.c: 550: repair_sem_fini: On-disk used block bitmap and really
used block bitmap differ.
***** fsck.reiser4 finished at Tue Jan 31 09:58:54 2012
Closing fs...done

2 fatal corruptions were detected in FileSystem. Run with --build-fs
option to fix them.


Ok, thanks,

now please, run "fsck.reiser4 --build-fs /dev/sdc",
and after its completion run "fsck.reiser4 --check /dev/sdc" again,
then send the both outputs.

Edward.

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