Bacula-users

Re: [Bacula-users] btape fails to see loaded tape

2009-08-13 15:19:41
Subject: Re: [Bacula-users] btape fails to see loaded tape
From: John Drescher <drescherjm AT gmail DOT com>
To: Dan Langille <dan AT langille DOT org>
Date: Thu, 13 Aug 2009 15:14:47 -0400
On Thu, Aug 13, 2009 at 3:09 PM, John Drescher<drescherjm AT gmail DOT com> 
wrote:
> On Thu, Aug 13, 2009 at 2:45 PM, Dan Langille<dan AT langille DOT org> wrote:
>> On Thu, August 13, 2009 2:27 pm, Dan Langille wrote:
>>>
>>> On Thu, August 13, 2009 1:19 pm, Dan Langille wrote:
>>>> I am setting up a new autochanger / tape drive.  I'm trying to run
>>>> btape.
>>>> The basic test works, but I see this message when I start btape:
>>>>
>>>>  Autochanger "loaded? drive 0", result: nothing loaded.
>>>>
>>>> mtx-changer [and mtx] both disagree with this:
>>>>
>>>> $ sudo /etc/bacula/mtx-changer /dev/sg4 loaded 0 /dev/nst0 0
>>>> AAM240L4
>>>
>>> That is a problem.  You don't want the label.  You want the slt it came
>>> from.  See
>>> http://www.bacula.org/en/dev-manual/Autochanger_Resource.html#SECTION0017130000000000000000
>>>
>>>     loaded -- returns number of the slot that is loaded, base 1,
>>>               in the drive or 0 if the drive is empty.
>>>
>>> Current problem: I can't see how to get this information from the device.
>>> I'll keep working on it:
>>>
>>> $ sudo /usr/sbin/mtx -f /dev/sg4 inquiry
>>> Password:
>>> Product Type: Medium Changer
>>> Vendor ID: 'QUANTUM '
>>> Product ID: 'PX500           '
>>> Revision: '0033'
>>> Attached Changer: No
>>> [dlangille@backup01 bacula]$
>>
>> I think we have a problem:
>>
>> [dlangille@backup01 bacula]$ sudo /usr/sbin/mtx -f /dev/sg4 load 3
>> [dlangille@backup01 bacula]$ sudo /usr/sbin/mtx -f /dev/sg4 status
>>  Storage Changer /dev/sg4:1 Drives, 38 Slots ( 36 Import/Export )
>> Data Transfer Element 0:Full (Unknown Storage Element Loaded):VolumeTag =
>> AAM240L4
>>      Storage Element 1:Empty
>>      Storage Element 2:Empty
>>      Storage Element 3 IMPORT/EXPORT:Empty
>>      Storage Element 4 IMPORT/EXPORT:Full :VolumeTag=AAM241L4
>>
>> Should that 'Unknown Storage Element Loaded' be a 3 to indicate the slot
>> it came from?
>>
>
> Here is what my mtx output looks like
>
> dev6 ~ # mtx -f /dev/autochanger1 status
>  Storage Changer /dev/autochanger1:2 Drives, 24 Slots ( 1 Import/Export )
> Data Transfer Element 0:Full (Storage Element 17 Loaded):VolumeTag = A00036
> Data Transfer Element 1:Empty
>      Storage Element 1:Full :VolumeTag=A00030
>      Storage Element 2:Empty:VolumeTag=
>      Storage Element 3:Full :VolumeTag=A00058
>      Storage Element 4:Full :VolumeTag=A00053
>      Storage Element 5:Full :VolumeTag=A00023
>      Storage Element 6:Full :VolumeTag=A00006
>      Storage Element 7:Full :VolumeTag=A00007
>      Storage Element 8:Full :VolumeTag=A00052
>      Storage Element 9:Full :VolumeTag=A00028
>      Storage Element 10:Full :VolumeTag=A00020
>      Storage Element 11:Full :VolumeTag=A00054
>      Storage Element 12:Full :VolumeTag=A00039
>      Storage Element 13:Full :VolumeTag=A00048
>      Storage Element 14:Full :VolumeTag=A00012
>      Storage Element 15:Full :VolumeTag=A00068
>      Storage Element 16:Full :VolumeTag=A00069
>      Storage Element 17:Empty:VolumeTag=
>      Storage Element 18:Full :VolumeTag=A00065
>      Storage Element 19:Full :VolumeTag=A00066
>      Storage Element 20:Full :VolumeTag=A00067
>      Storage Element 21:Full :VolumeTag=A00062
>      Storage Element 22:Full :VolumeTag=A00063
>      Storage Element 23:Full :VolumeTag=A00064
>      Storage Element 24 IMPORT/EXPORT:Full :VolumeTag=A00029
>
> What version of mtx are you using?
>
> dev6 ~ # equery l mtx
> [ Searching for package 'mtx' in all categories among: ]
>  * installed packages
> [I--] [  ] sys-block/mtx-1.2.18 (0)
>
> It looks like I have 1.2.18
>
> John
>

Ahh. If I manually load a tape using controls on the archive I get the
same. Bacula will pick this up correctly if I update slots in the
console however.

dev6 ~ # mtx -f /dev/autochanger1 status
  Storage Changer /dev/autochanger1:2 Drives, 24 Slots ( 1 Import/Export )
Data Transfer Element 0:Full (Storage Element 17 Loaded):VolumeTag = A00036
Data Transfer Element 1:Full (Unknown Storage Element Loaded):VolumeTag = A00029
      Storage Element 1:Full :VolumeTag=A00030
      Storage Element 2:Empty:VolumeTag=
      Storage Element 3:Full :VolumeTag=A00058
      Storage Element 4:Full :VolumeTag=A00053
      Storage Element 5:Full :VolumeTag=A00023
      Storage Element 6:Full :VolumeTag=A00006
      Storage Element 7:Full :VolumeTag=A00007
      Storage Element 8:Full :VolumeTag=A00052
      Storage Element 9:Full :VolumeTag=A00028
      Storage Element 10:Full :VolumeTag=A00020
      Storage Element 11:Full :VolumeTag=A00054
      Storage Element 12:Full :VolumeTag=A00039
      Storage Element 13:Full :VolumeTag=A00048
      Storage Element 14:Full :VolumeTag=A00012
      Storage Element 15:Full :VolumeTag=A00068
      Storage Element 16:Full :VolumeTag=A00069
      Storage Element 17:Empty:VolumeTag=
      Storage Element 18:Full :VolumeTag=A00065
      Storage Element 19:Full :VolumeTag=A00066
      Storage Element 20:Full :VolumeTag=A00067
      Storage Element 21:Full :VolumeTag=A00062
      Storage Element 22:Full :VolumeTag=A00063
      Storage Element 23:Full :VolumeTag=A00064
      Storage Element 24 IMPORT/EXPORT:Empty:VolumeTag=


-- 
John M. Drescher

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