Thank you for all your replies.
Am 2/15/10 11:38 AM, schrieb Alan Brown:
> MTX simply reports what the changer thinks it has - and right now the
> changer doesn't realise there is a second drive installed.
>
> This is a hardware configuration issue. Solve that first, then check
> to see if MTX shows a second drive.
Dear Alan, you are sooooo right. On a multi partition library it is not
enough to just 'put that thing in'. I needed to add the drive to the
(single) partition.
# mtx -f /dev/sg1 status
Storage Changer /dev/sg1:2 Drives, 29 Slots ( 5 Import/Export )
Data Transfer Element 0:Empty
Data Transfer Element 1:Empty
Storage Element 1:Empty:VolumeTag=
Storage Element 2:Empty:VolumeTag=
Problem solved, thank you very much! PEBCAK.
Just for the record, the other replies:
Am 2/12/10 9:51 PM, schrieb Alex Chekholko:
> Check dmesg for relevant messages and do something like
> ls -lah /dev/*st*
Yeah, they do exist:
# ls -lah /dev/st*
crw-rw---- 1 root tape 9, 0 2010-02-12 15:18 /dev/st0
crw-rw---- 1 root tape 9, 96 2010-02-12 15:18 /dev/st0a
crw-rw---- 1 root tape 9, 32 2010-02-12 15:18 /dev/st0l
crw-rw---- 1 root tape 9, 64 2010-02-12 15:18 /dev/st0m
crw-rw---- 1 root tape 9, 1 2010-02-12 15:18 /dev/st1
crw-rw---- 1 root tape 9, 97 2010-02-12 15:18 /dev/st1a
crw-rw---- 1 root tape 9, 33 2010-02-12 15:18 /dev/st1l
crw-rw---- 1 root tape 9, 65 2010-02-12 15:18 /dev/st1m
I should mention, that /dev/sg0 points to the first drive, /dev/st1 to
the changer API, and /dev/sg2 to the second drive.
Am 2/13/10 3:35 PM, schrieb shouldbe q931:
> What is the output from lsscsi ?
# lsscsi
[4:0:0:0] tape HP Ultrium 4-SCSI U51Z /dev/st0
[4:0:0:1] mediumx QUANTUM Scalar i40-i80 100G /dev/sch0
[5:0:0:0] tape HP Ultrium 4-SCSI U51Z /dev/st1
> Have/can you change the ID number of one of the drives ?
It's SAS not SCSI, I may not change the IDs.
Regards,
- Dan
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