Re: [Bacula-users] Autochanger problem

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I decided to reboot and the machine to reload all the hardware.  It started
to work again.  I have other issues now but I have put them in another
thread.

Having problems with Volume labeling

Thanks,

Mike

Arno Lehmann wrote:
> 
> Hi,
> 
> On 5/11/2007 5:44 PM, Mike Vasquez wrote:
>> Now I am getting a new error,
>> 
>> nmc-sdca-mon1:/etc/bacula# mtx -f /dev/sg0 inquiry
>> mtx: Request Sense: Long Report=yes
>> mtx: Request Sense: Valid Residual=no
>> mtx: Request Sense: Error Code=0 (Unknown?!)
>> mtx: Request Sense: Sense Key=No Sense
>> mtx: Request Sense: FileMark=no
>> mtx: Request Sense: EOM=no
>> mtx: Request Sense: ILI=no
>> mtx: Request Sense: Additional Sense Code = 00
>> mtx: Request Sense: Additional Sense Qualifier = 00
>> mtx: Request Sense: BPV=no
>> mtx: Request Sense: Error in CDB=no
>> mtx: Request Sense: SKSV=no
>> INQUIRY Command Failed
> 
> Hmm... lots of code=0 and qualifier=0... this looks like something 
> non-standard ;-)
> 
> I did not look this up in the SCSI specifications (you should find them 
> at www.t10.org) but I suspect there's something wrong with your OS, SCSI 
> driver, or mtx. Or, perhaps, /dev/sg0 is not an autochanger now (this 
> can happen).
> 
>> Wondering what is going on?
>> 
>> Mike
>> 
>> Mike Vasquez wrote:
>>> I ran mt -f /dev/nst0 status as the bacula user and got the following:
>>>    /dev/nst0: Input/output error
> 
> Ok, this usually means there's no tape loaded into the drive.
> 
> After getting mtx working try to load a tape using mtx and retry the 'mt 
> status' command. It should give some more useful information.
> 
> If it doesn't, but does after a while, there's a timing problem in your 
> mtx-changer (most easily fixed by enabling the wait_for_drive function 
> in mtx-changer).
> 
>>> Then I ran mtx -f /dev/nst0 inquire as root and got the following:
>>> cannot open SCSI device '/dev/nst0' - Input/output error
> 
> That's ok, as mtx needs a raw SCSI device to work with, not the tape 
> drive interface. Still, I/O error here looks suspicious.
> 
> Does your system have an lsscsi command?
> 
> Arno
> 
>>> Mike
>>>
>>> Arno Lehmann wrote:
>>>> Hi,
>>>>
>>>> On 5/11/2007 12:04 AM, Mike Vasquez wrote:
>>>>> In my /etc/init.d/bacula-sd script the argument that I use to start
>>>>> the
>>>>> bacula sd daemon is
>>>>>
>>>>> ARGS="-c /opt/bacula/bacula-sd.conf -u root -g tape"
>>>> So the SD runs as root. Ok.
>>>>
>>>> And how about this one:
>>>>
>>>> Trying 'mt -f /dev/nst0 status' as the Bacula user should work, and if
>>>> it doesn't, it might tell us something...
>>>>
>>>> Arno
>>>>
>>>>> Mike
>>>>>
>>>>>
>>>>> Arno Lehmann wrote:
>>>>>> Hi,
>>>>>>
>>>>>> On 5/10/2007 11:41 PM, Mike Vasquez wrote:
>>>>>>> Boy, I do need new glasses,  Changer Command =
>>>>>>> "/opt/bacula/bin/mtx-changer
>>>>>>> %c %o %S %a %d".
>>>>>>>
>>>>>>> It should have been  Changer Command =
>>>>>>> "/opt/bacula/scripts/mtx-changer
>>>>>>> %c
>>>>>>> %o %S %a %d"
>>>>>> Yeah, that's what you get for customizing your installation ;-) I can 
>>>>>> assure you, though, that glasses don't necessarily help with this
>>>>>> sort 
>>>>>> of problems :-)
>>>>>>
>>>>>>> Now I am getting the following error:
>>>>>>>
>>>>>>> bin/btape /dev/nst0
>>>>>>> Tape block granularity is 1024 bytes.
>>>>>>> btape: butil.c:286 Using device: "/dev/nst0" for writing.
>>>>>>> 10-May 14:26 btape: 3301 Issuing autochanger "loaded? drive 0"
>>>>>>> command.
>>>>>>> 10-May 14:26 btape: 3302 Autochanger "loaded? drive 0", result is
>>>>>>> Slot
>>>>>>> 1.
>>>>>>> 10-May 14:31 btape: Fatal Error at device.c:280 because:
>>>>>>> dev open failed: dev.c:425 Unable to open device "Drive-1"
>>>>>>> (/dev/nst0):
>>>>>>> ERR=Input/output error
>>>>>>>
>>>>>>> 10-May 14:31 btape: btape Fatal error: butil.c:195 Cannot open
>>>>>>> "Drive-1"
>>>>>>> (/dev/nst0)
>>>>>> Have you tried to access the tape drive as the user the SD runs as?
>>>>>>
>>>>>> "permission denied" or "no such file" would be what I expected, but 
>>>>>> "cannot open" might also indicate a permissions problem or, perhaps,
>>>>>> the 
>>>>>> tape is not fully loaded into the drive, or something.
>>>>>>
>>>>>> Trying 'mt -f /dev/nst0 status' as the Bacula user should work, and
>>>>>> if 
>>>>>> it doesn't, it might tell us something...
>>>>>>
>>>>>> Arno
>>>>>>
>>>>>>
>>>>>>> Here is the Drive-1 configuration.
>>>>>>>  SD.conf file (New)
>>>>>>>  Autochanger {
>>>>>>>    Name = Autochanger
>>>>>>>    Device = Drive-1
>>>>>>>    Changer Command = "/opt/bacula/scripts/mtx-changer %c %o %S %a
>>>>>>> %d"
>>>>>>>    Changer Device = /dev/sg0
>>>>>>>  }
>>>>>>>  
>>>>>>>  Device {
>>>>>>>    Name = Drive-1                      
>>>>>>>    Drive Index = 0
>>>>>>>    Media Type = LTO-1
>>>>>>>    Archive Device = /dev/nst0
>>>>>>>    AutomaticMount = yes;     
>>>>>>>    AlwaysOpen = yes;
>>>>>>>    RemovableMedia = yes;
>>>>>>>    RandomAccess = no;
>>>>>>>    AutoChanger = yes
>>>>>>>    Alert Command = "sh -c 'tapeinfo -f %c |grep TapeAlert|cat'"
>>>>>>>  }
>>>>>>>
>>>>>>> Any Ideas.
>>>>>>>
>>>>>>> Mike
>>>>>>>
>>>>>>> Arno Lehmann wrote:
>>>>>>>> Hi,
>>>>>>>>
>>>>>>>> On 5/10/2007 8:17 PM, Mike Vasquez wrote:
>>>>>>>>> I just upgraded to 2.0.3.  I am having problems mounting the
>>>>>>>>> Autochanger. 
>>>>>>>>> Here are my test results.
>>>>>>>>>
>>>>>>>>> tapeinfo -f /dev/sg0 
>>>>>>>>> Product Type: Medium Changer
>>>>>>>>> Vendor ID: 'DELL    '
>>>>>>>>> Product ID: 'PV-122T         '
>>>>>>>>> Revision: 'D37r'
>>>>>>>>> Attached Changer: No
>>>>>>>>> SerialNumber: '3123B92743'
>>>>>>>>> Invalid tapealert page: 0
>>>>>>>>>
>>>>>>>>> mtx -f /dev/sg0 inquiry  
>>>>>>>>> Product Type: Medium Changer
>>>>>>>>> Vendor ID: 'DELL    '
>>>>>>>>> Product ID: 'PV-122T         '
>>>>>>>>> Revision: 'D37r'
>>>>>>>>> Attached Changer: No
>>>>>>>>>
>>>>>>>>> /btape /dev/nst0
>>>>>>>>> Tape block granularity is 1024 bytes.
>>>>>>>>> btape: butil.c:286 Using device: "/dev/nst0" for writing.
>>>>>>>>> 10-May 10:20 btape: 3301 Issuing autochanger "loaded? drive 0"
>>>>>>>>> command.
>>>>>>>>> 10-May 10:20 btape: 3991 Bad autochanger "loaded? drive 0"
>>>>>>>>> command:
>>>>>>>>> ERR=No
>>>>>>>>> such file or directory.
>>>>>>>>> Results=
>>>>>>>>> ## It just hangs here.
>>>>>>>> Probably it doesn't find the mtx-changer script (or whatever it
>>>>>>>> tries
>>>>>>>> to 
>>>>>>>> use in your case - I always use btabe with the SD configuration).
>>>>>>>>
>>>>>>>>> When I try to mount to take using the console here is what I get.
>>>>>>>>>
>>>>>>>>> SD.conf file
>>>>>>>>> Autochanger {
>>>>>>>>>   Name = Autochanger
>>>>>>>>>   Device = Drive-1
>>>>>>>>>   Changer Command = "/opt/bacula/bin/mtx-changer %c %o %S %a %d"
>>>>>>>> Are you sure the Bacula user can run this script, and it works as
>>>>>>>> expected?
>>>>>>>>
>>>>>>>>>   ChangerDevice = /dev/sg0
>>>>>>>>> }
>>>>>>>>>
>>>>>>>>> Device {
>>>>>>>>>   Name = Drive-1                      #
>>>>>>>>>   Drive Index = 0
>>>>>>>>>   Media Type = LTO-1
>>>>>>>>>   Archive Device = /dev/nst0
>>>>>>>>>   AutomaticMount = yes;     
>>>>>>>>>   AlwaysOpen = yes;
>>>>>>>>>   RemovableMedia = yes;
>>>>>>>>>   RandomAccess = no;
>>>>>>>>>   AutoChanger = yes
>>>>>>>>>   Alert Command = "sh -c 'tapeinfo -f %c |grep TapeAlert|cat'"
>>>>>>>>> }
>>>>>>>> ...
>>>>>>>>> *mount ToTape
>>>>>>>>> Connecting to Storage daemon ToTape at nmc-sdca-mon1:9103 ...
>>>>>>>>> Enter autochanger slot: 1
>>>>>>>>> 3301 Issuing autochanger "loaded? drive 0" command.
>>>>>>>>> 3991 Bad autochanger "loaded? drive 0" command: ERR=No such file
>>>>>>>>> or
>>>>>>>>> directory.
>>>>>>>> Looks like the SD, too, can't run mtx-changer.
>>>>>>>>
>>>>>>>>> Results=
>>>>>>>>> 3301 Issuing autochanger "loaded? drive 0" command.
>>>>>>>>> 3991 Bad autochanger "loaded? drive 0" command: ERR=No such file
>>>>>>>>> or
>>>>>>>>> directory.
>>>>>>>>> Results=
>>>>>>>>> 3304 Issuing autochanger "load slot 1, drive 0" command.
>>>>>>>>> 3992 Bad autochanger "load slot 1, drive 0": ERR=No such file or
>>>>>>>>> directory.
>>>>>>>>> Results=
>>>>>>>>> 3301 Issuing autochanger "loaded? drive 0" command.
>>>>>>>>> 3991 Bad autochanger "loaded? drive 0" command: ERR=No such file
>>>>>>>>> or
>>>>>>>>> directory.
>>>>>>>>> Results=
>>>>>>>>> 3901 open device failed: ERR=dev.c:425 Unable to open device
>>>>>>>>> "ToTape.0"
>>>>>>>>> (/dev/nst0): ERR=Input/output error
>>>>>>>>>
>>>>>>>>> What could be wrong.  It was working before I upgraded.
>>>>>>>> Permissions, probably. It's possible that, before the upgrade, the
>>>>>>>> SD 
>>>>>>>> ran as root and it now runs as a different user.
>>>>>>>>
>>>>>>>> Arno
>>>>>>>>
>>>>>>>>> Mike
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>> -- 
>>>>>>>> IT-Service Lehmann                    al...@it...
>>>>>>>> Arno Lehmann                  http://www.its-lehmann.de
>>>>>>>>
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>>>>>>>>
>>>>>> -- 
>>>>>> IT-Service Lehmann                    al...@it...
>>>>>> Arno Lehmann                  http://www.its-lehmann.de
>>>>>>
>>>>>> -------------------------------------------------------------------------
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>>>>>>
>>>> -- 
>>>> IT-Service Lehmann                    al...@it...
>>>> Arno Lehmann                  http://www.its-lehmann.de
>>>>
>>>> -------------------------------------------------------------------------
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>>>
>> 
> 
> -- 
> IT-Service Lehmann                    al...@it...
> Arno Lehmann                  http://www.its-lehmann.de
> 
> -------------------------------------------------------------------------
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