Bacula or Drive problem?

Am 15.06.25 um 10:19 schrieb Dr. Thorsten Brandau via Bacula-users:
>
> Udo Kaune schrieb am 13.06.25 um 23:47:
>> Hi Thorsten,
>>
>> Did you reboot the box recently and did by any chance your devices get reordered?
>> What does lsscsi -g show and does that correspond to your bacula-sd.conf entries?
>>
>> Best regards, Udo
>>
> Hi Udo,
>
> yes, I regularily reboot the system for maintenance:
>
> sudo lsscsi -g
> [0:0:0:0]    disk    Areca    ARC-1883-VOL#000 R001  /dev/sda   /dev/sg0
> [0:0:0:1]    disk    Areca    ARC-1883-VOL#001 R001  /dev/sdb   /dev/sg1
> [0:0:0:2]    disk    Areca    Data6            R001  /dev/sdc   /dev/sg2
> [0:0:0:4]    disk    Areca    VOL_Data4        R001  /dev/sdd   /dev/sg3
> [0:0:16:0]   process Areca    RAID controller  R001  -          /dev/sg4
> [1:0:0:0]    enclosu ATTO     VirtualSES       0001  -          /dev/sg6
> [1:0:1:0]    tape    IBM      ULTRIUM-HH9      R3G1  /dev/st0   /dev/sg7
> [1:0:1:1]    mediumx BDT      FlexStor II      6.21  /dev/sch0  /dev/sg8
>
> That looks very susual and it worked in the last months with sg7
> Now, just for the fun of it I used mtx -f /dev/sg8 status additionally and got:

|In Debian if you need a consistent device for the changer across reboots you will need to setup some udev rules:

udevadm info -q all -a -n /dev/sch0 | grep -e vendor -e model

     ATTRS{model}=="FlexStor II     "
     ATTRS{vendor}=="BDT     "
     ...

udevadm info -q all -a -n /dev/sg8 | grep -e vendor -e model

     ATTRS{model}=="FlexStor II      "
     ATTRS{vendor}=="BDT     "
     ...

cat > /etc/udev/rules.d/80-tape-autochanger-devices.rules <<EOL
#scsi generic device name
SUBSYSTEM=="scsi_generic", ATTRS{vendor}=="BDT     ", ATTRS{model}=="FlexStor II     ", SYMLINK+="changer0"
# block device name
# SUBSYSTEM=="block", DRIVERS=="mt", ATTRS{vendor}=="BDT     ", ATTRS{model}=="FlexStor II     ", SYMLINK+="changer0_block"
#
EOL

Beware of the attributes containing white space. There is no need for a changer block device for now. After reboot you should be able to use /dev/changer0 in your bacula-sd.conf autochanger setup and it will be consistent.

HTH, Udo

|

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