Bacula-users

Re: [Bacula-users] [Bacula-devel] recover from invalid tape

2008-10-17 03:57:37
Subject: Re: [Bacula-users] [Bacula-devel] recover from invalid tape
From: Marco Lertora <marco.lertora AT infoporto DOT it>
To: bacula-users <bacula-users AT lists.sourceforge DOT net>
Date: Fri, 17 Oct 2008 09:55:10 +0200
Dan Langille ha scritto:
> On Oct 16, 2008, at 6:46 PM, marco.lertora AT infoporto DOT it wrote:
>
>> Hi all,
>>
>>     I need to recover some files from a tape but, after loading, bacula
>> cannot mount it.
>>
>> Opening the device with hexer I find the tape starting with a
>> session/job header instead a volume header. So, the volume header is
>> missing and bacula can't recognize the tape.
>
>
> You really should try this on the users list first.
>
> If you have already done this, please reply to the devel list again and
> include a URL pointing into http://marc.info so we can see the
> original conversation.
>
> Thank you.

Hi,
I've already post on bacula-users but I recieve no answer, so I try here!
I've try to search on other discussions, but I can't find anything about 
this problem.

Here the link to the post on bacula-user:
http://marc.info/?l=bacula-users&m=122390796631217&w=2
but, this should be more clear than the one on bacula-user.

Thank you.

>>
>>
>> here the beginning of strings' output command on device in position 0:
>>
>>> BB02
>>> 4Bacula 1.0 immortal
>>> w2k3-ap-nas1.porto.laspezia.it-data-pool
>>> Backup
>>> BACKUP w2k3-ap-nas1.porto.laspezia.it-data
>>> w2k3-ap-nas1.porto.laspezia.it-fd
>>> BACKUP_w2k3-ap-nas1.porto.laspezia.it-data.2008-05-23_23.05.15
>>> w2k3-ap-nas1.porto.laspezia.it-data-fileset
>>
>>
>> Then, looking in old email logs, I've notice that
>> w2k3-ap-nas1.porto.laspezia.it-data.2008-05-23_23.05.15 is not the 1st
>> backup on the volume... It is the 9th!
>>
>>>  Build OS:               Linux Cross-compile Win32
>>>  JobId:                  9
>>>  Job:                    
>>> BACKUP_w2k3-ap-nas1.porto.laspezia.it-data.2008-05-23_23.05.15
>>>  Backup Level:           Incremental, since=2008-05-22 23:05:02
>>>  Client:                 "w2k3-ap-nas1.porto.laspezia.it-fd" 
>>> 2.2.9-b6 (06Apr08) Linux,Cross-compile,Win32
>>>  FileSet:                
>>> "w2k3-ap-nas1.porto.laspezia.it-data-fileset" 2008-05-20 09:59:27
>>>  Pool:                   "w2k3-ap-nas1.porto.laspezia.it-data-pool" 
>>> (From Job resource)
>>>  Storage:                "TapeDrive" (From Job resource)
>>>  Scheduled time:         23-May-2008 23:05:00
>>>  Start time:             23-May-2008 23:05:02
>>>  End time:               23-May-2008 23:56:31
>>>  Elapsed time:           51 mins 29 secs
>>>  Priority:               10
>>>  FD Files Written:       9,186
>>>  SD Files Written:       9,186
>>>  FD Bytes Written:       45,804,354,704 (45.80 GB)
>>>  SD Bytes Written:       45,806,468,610 (45.80 GB)
>>>  Rate:                   14828.2 KB/s
>>>  Software Compression:   None
>>>  VSS:                    yes
>>>  Storage Encryption:     no
>>>  Volume name(s):         w2k3-ap-nas1.porto.laspezia.it-data-0001
>>>  Volume Session Id:      9
>>>  Volume Session Time:    1211270345
>>>  Last Volume Bytes:      551,417,416,704 (551.4 GB)
>>>  Non-fatal FD errors:    0
>>>  SD Errors:              0
>>>  FD termination status:  OK
>>>  SD termination status:  OK
>>>  Termination:            Backup OK
>>
>> The tape library is "HP Ultrium-3 400/800".
>>
>> Really no idea how I reach this point.... But it was my 1st windows
>> backup with bacula, so [my] human errror is the really probable!!
>>
>> My objective is recover a file from Job 14 [It should be in this volume]
>> but from bconsole, with bls or bextract I can't get anythings good,
>> because they looking for a valid volume header... and I miss it.
>>
>> Is there any tool to low-level recover files from a tape regardless
>> volume or jobs?
>>
>> I would try to label the tape again with the name written in logs:
>> w2k3-ap-nas1.porto.laspezia.it-data-0001. Do you think it could work?
>>
>> Remember that my important job is not in the beginning of the tape so
>> lost data in the begin is not a problem.
>>
>> Tnz 4 bacula.
>>
>> Regards
>> Marco
>>
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