Heya,

Being new to bacula(and autochangers), this may be largely PEBCAK but I cannot
get btape to talk to my autochanger.

The hardware is a Dell Powervault 124T with 1 drive, and shows up as:
root dude ? camcontrol devlist
    <QUANTUM ULTRIUM 3 2023>           at scbus0 target 6 lun 0 (sa0,pass0)
    <DELL PV-124T 0053>                at scbus0 target 6 lun 1 (ch0,pass1)

tapeinfo shows:
    root dude ? tapeinfo -f /dev/pass0
    Product Type: Tape Drive
    Vendor ID: 'QUANTUM '
    Product ID: 'ULTRIUM 3       '
    Revision: '2023'
    Attached Changer API: No
    SerialNumber: 'JN0746AME50728'
    MinBlock: 1
    MaxBlock: 16777215
    Ready: no

    root dude ? tapeinfo -f /dev/pass1
    Product Type: Medium Changer
    Vendor ID: 'DELL    '
    Product ID: 'PV-124T         '
    Revision: '0053'
    Attached Changer API: No
    SerialNumber: 'CK8CCD5299'
    Ready: yes


As I read this, pass1, or ch0, is the autochanger and pass0, or sa0, is the
actual drive.  From this I have in my bacula-sd.conf:
    Autochanger {
      Name = Autochanger
      Device = Drive-1
      Changer Command = "/usr/local/share/bacula/mtx-changer %c %o %S %a %d"
      Changer Device = /dev/pass1
    }

    Device {
      Name = Drive-1                      #
      Drive Index = 0
      Media Type = "Ultrium 2"
      Archive Device = /dev/pass0
      AutomaticMount = yes;               # when device opened, read it
      AlwaysOpen = yes;
      RemovableMedia = yes;
      RandomAccess = no;
      AutoChanger = yes
      #
      # Enable the Alert command only if you have the mtx package loaded
      # Note, apparently on some systems, tapeinfo resets the SCSI controller
      #  thus if you turn this on, make sure it does not reset your SCSI
      #  controller.  I have never had any problems, and smartctl does
      #  not seem to cause such problems.
      #
      Alert Command = "sh -c 'tapeinfo -f %c |grep TapeAlert|cat'"
    }

When I issue a simple btape command I get:
    root dude ? btape -c /usr/local/etc/bacula-sd.conf /dev/pass0
    Tape block granularity is 1024 bytes.
    btape: butil.c:285 Using device: "/dev/pass0" for writing.
    13-May 13:59 btape JobId 0: 3301 Issuing autochanger "loaded? drive 0"
    command.
    13-May 13:59 btape JobId 0: 3302 Autochanger "loaded? drive 0", result:
    nothing loaded.
    13-May 14:04 btape: Fatal Error at device.c:297 because:
    dev open failed: dev.c:433 Unable to open device "Drive-1" (/dev/pass0):
    ERR=Operation not permitted

    13-May 14:04 btape JobId 0: Fatal error: butil.c:194 Cannot open "Drive-1"
    (/dev/pass0)


Seeing that btape was trying to issue an autochanger command I swapped the
Archive Device/Changer Device settings.  This seemed wrong but I'm easy.  This
gave me a different error:
    root dude ? btape -c /usr/local/etc/bacula-sd.conf /dev/pass1
    Tape block granularity is 1024 bytes.
    btape: butil.c:285 Using device: "/dev/pass1" for writing.
    13-May 14:13 btape JobId 0: 3301 Issuing autochanger "loaded? drive 0"
    command.
    13-May 14:13 btape JobId 0: 3991 Bad autochanger "loaded? drive 0" command:
    ERR=Child exited with code 1.
    Results=mtx: Request Sense: Long Report=yes
    mtx: Request Sense: Valid Residual=no
    mtx: Request Sense: Error Code=70 (Current)
    mtx: Request Sense: Sense Key=Illegal Request
    mtx: Request Sense: FileMark=no
    mtx: Request Sense: EOM=no
    mtx: Request Sense: ILI=no
    mtx: Request Sense: Additional Sense Code = 20
    mtx: Request Sense: Additional Sense Qualifier = 00
    mtx: Request Sense: BPV=no
    mtx: Request Sense: Error in CDB=no
    mtx: Request Sense: SKSV=no
    READ ELEMENT STATUS Command Failed

    13-May 14:18 btape: Fatal Error at device.c:297 because:
    dev open failed: dev.c:433 Unable to open device "Drive-1" (/dev/pass1):
    ERR=Operation not permitted

    13-May 14:18 btape JobId 0: Fatal error: butil.c:194 Cannot open "Drive-1"
    (/dev/pass1)


This makes sense because bacula is is now talking to the changer and not
directly to the drive, I think(due to the "Issuing autochanger" output).

The console on the PV124T says it's loaded and ready to go.  My
/etc/devfs.conf contains:
    own     pass0   root:bacula
    perm    pass0   0666
    own     pass1   root:bacula
    perm    pass1   0666


Any idea what I'm missing?

--
  Randy    (schulra AT earlham DOT edu)      765.983.1283         <*>

Love with your heart, think with your head;  not the other way around.


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