Hi again,
On Thu, Jan 7, 2010 at 12:27 AM, Javier Barroso <javibarroso AT gmail DOT com>
wrote:
> Hi,
> On Tue, Jan 5, 2010 at 12:36 PM, Javier Barroso <javibarroso AT gmail DOT
> com> wrote:
>> On Tue, Jan 5, 2010 at 12:18 PM, John Drescher <drescherjm AT gmail DOT com>
>> wrote:
>>> On Tue, Jan 5, 2010 at 4:26 AM, Javier Barroso <javibarroso AT gmail DOT
>>> com> wrote:
>>>> Hi people,
>>>>
>>>> First, I'm using an old bacula version (etch version 1.38.11-8), so I
>>>> now this is a 2006 question :(
>> ...
>>>> # mtx -f /dev/autochanger1 load 4 0
>>>> * mount
>>>> * status storage
>>>> ...
>>>> Device status:
>>>> Autochanger "Autochanger" with devices:
>>>> "Drive-1" (/dev/st0)
>>>> Device "FileStorage" (/tmp) is not open or does not exist.
>>>> Device "Drive-1" (/dev/st0) open but no Bacula volume is mounted.
>>>> Device is BLOCKED waiting for media.
>>>> Slot 4 is loaded in drive 0.
>>>> Total Bytes Read=0 Blocks Read=0 Bytes/block=0
>>>> Positioned at File=0 Block=0
>>>> Device "Drive-2" (/dev/st1) open but no Bacula volume is mounted.
>>>> Total Bytes Read=0 Blocks Read=0 Bytes/block=0
>>>> Positioned at File=0 Block=0
>>>> ====
>>>>
>>>> In Use Volume status:
>>>> ISOLAD01 on device "Drive-1" (/dev/st0)
>>>> ====
>>>> You have messages
>>>> *
>>>> 05-Jan 10:18 backup-sd: 3301 Issuing autochanger "loaded drive 0" command.
>>>> 05-Jan 10:18 backup-sd: 3302 Autochanger "loaded drive 0", result is Slot
>>>> 4.
>>>> 05-Jan 10:18 backup-sd: 3301 Issuing autochanger "loaded drive 0" command.
>>>> 05-Jan 10:18 backup-sd: 3302 Autochanger "loaded drive 0", result is Slot
>>>> 4.
>>>> 05-Jan 10:18 backup-sd: 3301 Issuing autochanger "loaded drive 0" command.
>>>> 05-Jan 10:18 backup-sd: 3302 Autochanger "loaded drive 0", result is Slot
>>>> 4.
>>>> 05-Jan 10:18 backup-sd: Please mount Volume "ISOLAD01" on Storage
>>>> Device "Drive-1" (/dev/st0) for Job openbravodb.2010-01-04_20.00.06
>>>>
>>>> # ISOLAD01 is a volume in bacula db
>>>> * list media pool=DiarioLunes
>>>> Pool: DiarioLunes
>>>> +---------+------------+-----------+-----------------+----------+--------------+---------+------+-----------+---------------+---------------------+
>>>> | MediaId | VolumeName | VolStatus | VolBytes | VolFiles |
>>>> VolRetention | Recycle | Slot | InChanger | MediaType |
>>>> LastWritten |
>>>> +---------+------------+-----------+-----------------+----------+--------------+---------+------+-----------+---------------+---------------------+
>>>> | 51 | ISOLAD01 | Append | 371,662,282,376 | 523 |
>>>> 518,400 | 1 | 4 | 1 | Ultrium3-SCSI | 2009-10-20
>>>> 02:33:52 |
>>>>
>>>> So, what am I missing ? Any help is appreciated.
>>>
>>> Nothing. There are bugs like this in 1.38.
>>>
>>> 1) Change /dev/st0 to /dev/nst0 in your config so bacula does not
>>> accidentally delete one of your volumes.
>>>
>>> 2) Stop bacula-sd
>>>
>>> 3) Manually remove the tape using the autohanger command
>>>
>>> 4) Restart bacula-sd. Your jobs probably will have been terminated by
>>> this action.
>>>
>> Thank you very much, I'll try it the next time it happens (I'll change
>> my config like in your tip)
> Ok, so I tried it again, and the same issue (bacula want a tape which
> is mounted, but it doesn't recognize)
>
> I tracked the problem i turned on debug in mtx-changer, and see about
> mt -f /dev/nst0 status was telling "mt: /dev/nst0: No medium found"
>
> Then I tried mt -f with the others three devices (I have an
> autochanger with /dev/nst{0,1,2,3} as tapes) and see only nst2 was
> online.
>
> I changed my config to /dev/nst2, and bacula is now working again.
>
> But I'm confused now ! :( :(. Somebody can explain me this situation ?:
>
> # mtx -f /dev/autochanger1 status | head -6
> Storage Changer /dev/autochanger1:4 Drives, 60 Slots ( 2 Import/Export )
> Data Transfer Element 0:Full (Storage Element 2 Loaded):VolumeTag =
> ISOXAD02
> Data Transfer Element 1:Empty
> Data Transfer Element 2:Empty
> Data Transfer Element 3:Empty
>
> # lsscsi
> [0:0:0:0] mediumx HP MSL6000 Series 0520 /dev/sch0
> [0:0:0:1] tape HP Ultrium 3-SCSI G63W /dev/st2
> [0:0:0:2] tape HP Ultrium 3-SCSI G63W /dev/st3
> [0:0:0:3] storage HP NS E1200-320 593d -
> [1:0:3:0] tape HP Ultrium 3-SCSI G63W /dev/st0
> [1:0:4:0] tape HP Ultrium 3-SCSI G54W /dev/st1
>
> I can guess that first Data Transfer element listed in mtx -f dev
> status is the first tape found in lsscsi command output. Then Data
> Transfert Element 1 will be /dev/st3 and go ...
>
> Is this true ? Should i name my devices with some persistente name
> like "/dev/tape1" ?
>
> And more important, why are others (three) devices like "not medium found" ?
>
> See next session (first I loaded 4 tapes):
> # mtx -f /dev/autochanger1 status | head -10
> Storage Changer /dev/autochanger1:4 Drives, 60 Slots ( 2 Import/Export )
> Data Transfer Element 0:Full (Storage Element 2 Loaded):VolumeTag =
> ISOXAD02
> Data Transfer Element 1:Full (Storage Element 1 Loaded):VolumeTag =
> ISOVBF04
> Data Transfer Element 2:Full (Storage Element 3 Loaded):VolumeTag =
> ISOVAF03
> Data Transfer Element 3:Full (Storage Element 4 Loaded):VolumeTag =
> ISOLAD01
>
> # Bacula is using Data Transfer Element 0:
> * st st
> ...
> Device "Drive-1" (/dev/nst2) is mounted with Volume="ISOXAD02"
> Pool="DiarioMiercoles"
> ...
>
> # But nst3 device is not ready, a while ago nst0 and nst1 wasn't ONLINE yet:
> # mt -f /dev/nst0 status
> drive type = Generic SCSI-2 tape
> drive status = 1140850688
> sense key error = 0
> residue count = 0
> file number = 0
> block number = 0
> Tape block size 0 bytes. Density code 0x44 (unknown).
> Soft error count since last status=0
> General status bits on (41010000):
> BOT ONLINE IM_REP_EN
> backup:/var/log/bacula# mt -f /dev/nst1 status
> drive type = Generic SCSI-2 tape
> drive status = 1140850688
> sense key error = 0
> residue count = 0
> file number = 0
> block number = 0
> Tape block size 0 bytes. Density code 0x44 (unknown).
> Soft error count since last status=0
> General status bits on (41010000):
> BOT ONLINE IM_REP_EN
> backup:/var/log/bacula# mt -f /dev/nst2 status
> mt: /dev/nst2: Device or resource busy
> backup:/var/log/bacula# mt -f /dev/nst3 status
> mt: /dev/nst3: Device or resource busy
>
> My question now is, should be possible using /dev/nst3 while nst2 is
> being used ? They are both connected through a NSR to the MSL library.
Sorry this stupid question ...
Bacula is configured to use both /dev/nst3 and /dev/nst2 devices, so I
now understand that they are busy :)
I don't known why /dev/nst{0,1} were not online before (so bacula
didn't want to work with them)
Thank you
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