Randy,
please see below for comments.
Attila
Randy Schultz wrote:
> 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
Change this to Archive Device = /dev/nsa0
The raw scsi device is only needed by mtx to control the changer.
> 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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