[Networker] Inquire -l help

I've just started a new job and they have Networker server 7.1 setup on
Debian  with kernal 2.6.6-1-686-smp.

When I do a inquire -l I get the following results. Which seem a little
screwed up.
NetWorker: SYSTEM error: failed to set SCSI timeout on device '/dev/nst0'
(Inappropriate ioctl for device)

[email protected]:                            |Disk, /dev/nst0
[email protected]:COMPAQ  MSL5000 Series  0423|Autochanger (Jukebox), /dev/sg0
                                           S/N: 3G27JPP4J1ZP
                                           ATNN:COMPAQ  MSL5000 Series
3G27JPP4J1ZP
                                           IENN:00900D2627A91EB0
[email protected]:COMPAQ  SuperDLT1       4B4B|Tape, /dev/sg1
                                           S/N: PMC25H1604
                                           ATNN:COMPAQ  SuperDLT1
PMC25H1604
                                           IENN:00E09E600009CDD2
                                           WWNN:500E09E00009CDD2
[email protected]:COMPAQ  SuperDLT1       4B4B|Tape, /dev/sg2
                                           S/N: RBD35H0113
                                           ATNN:COMPAQ  SuperDLT1
RBD35H0113
                                           IENN:00E09E600011B091
                                           WWNN:500E09E00011B091

Any ideas as the backup system is really flakey.

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