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

[Edward Shishkin <edward.shishkin@gmail.com>]

On 01/31/2012 02:06 AM, doiggl@velocitynet.com.au wrote:
> On Sun, 29 Jan 2012 16:24:11 +0100, Edward Shishkin
> <edward.shishkin@gmail.com>  wrote:
>> On 01/29/2012 02:35 PM, doiggl@velocitynet.com.au wrote:
>>> On Sun, 29 Jan 2012 08:51:53 +0100, Jonáš
> Vidra<vidra.jonas@seznam.cz>
>>> wrote:
>>>> Dne Sun, 29 Jan 2012 05:15:48 +0100<doiggl@velocitynet.com.au>
>>> 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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