Jean-Louis,

$ amtape Weekly1-library1 inventory
…
slot 16: unknown state barcode CA0017

[amandabackup@ca-server10 ~]$ amlabel Weekly1-library1 slot 16
Reading label...
Slot 16, label 'Weekly1-library1-CA0014', mismatch barcode between changer 
'CA0017' and tapelist file 'CA0014'

I confirmed in the library’s management interface that CA0017 is the tape 
loaded into the drive.

In the past, I delete tapelist and /var/amanda/chg-robot-dev-changer, delete 
the contents of the state folder, and then add back some tapes using amlabel.  
After this, the first few dumps work.  Am I making any mistakes and leaving 
some old, bad data behind?  Maybe I’m not cleaning up some old, bad data 
correctly.

I’ll send debug files via separate e-mail.

Mike



On Oct 3, 2014, at 4:22, Jean-Louis Martineau <martin...@zmanda.com> wrote:

> On 10/02/2014 09:40 PM, Mike Driscoll wrote:
>> Hi Jean-Louis.  I am using version 3.3.6.  I am confident that tape-device 
>> is correct insofar as I can complete multiple, successful dumps before the 
>> mismatches begin.
>> 
>> amtape verify looks good…
>> 
>> $ amtape Weekly1-library1 verify
>> GOOD : Drive 0 is device tape:/dev/nst0
>> GOOD : Drive 1 is device tape:/dev/nst1
>> property "TAPE-DEVICE" "0=tape:/dev/nst0" "1=tape:/dev/nst1"
>> 
>> 
>> 
>> 
>> 
>> On Oct 2, 2014, at 12:50, Jean-Louis Martineau <martin...@zmanda.com> wrote:
>> 
>>>> Absent that, does anyone have any advice about how to avoid 
>>>> delayed/intermittent barcode mismatch problems?  Here’s a typical example 
>>>> of the error:
>>>> 
>>>> ERROR: Slot 16, label 'Weekly1-library1-CA0014', mismatch barcode between 
>>>> changer 'CA0017' and tapelist file 'CA0014'
> 
> Is it true the slot 16 have label Weekly1-library1-CA0014 and barcode CA0017?
> Or is it the amanda database that is wrong? (changer state file)
> 
> Can you post a debug where you first see it, and was the last operation you 
> did on the changer?
> Can you also port the changer state file if it is corrupted?
> 
> Jean-Louis
> 
> 
>>>> Server check took 245.881 seconds
>>>> 
>>>> amanda.conf file includes:
>>>> 
>>>> define changer sl150-robot {
>>>>         tapedev  "chg-robot:/dev/changer"  
>>>> #tape/by-id/scsi-3500104f000d21512"
>>>>         property "tape-device" "0=tape:/dev/nst0"  "1=tape:/dev/nst1”
>>>>         length 2442818848 kbytes
>>>>         filemark 1806 kbytes
>>>>         speed 74006 kps
>>>>         blocksize 32 kbytes
>>>> }
>>>> labelstr "Weekly1-library1-CA00[0-9][0-9]"
>>>> amrecover_changer "sl150-robot"
>>>> tapedev "sl150-robot"
>>>> tapetype LTO6
>> 
> 


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