Ops have been to the unit and seen there are physically no tapes in the
drive.

I just need to rule out netbackup thinking there is to prove there is a
h/w problem.

Dave

andrew.x.smith AT jpmchase DOT com wrote:
>
> The mt status showing no tape can mean the tape is ejected, but still
> in the drive - have u tried moving the UNKNOWN tape from the drive
> using robtest? m d3 s?? ? I suspect that will work (and the library
> just wasnt able to read the barcode for these tapes). If it doesnt
> then you probably have a hardware fault.
>
>
>
>
>       *Dave Markham <dave.markham AT fjserv DOT net>*
> Sent by: veritas-bu-admin AT mailman.eng.auburn DOT edu
>
> 23/03/2006 15:14
> Please respond to dave.markham
>
>              
>         To:        "veritas-bu AT mailman.eng.auburn DOT edu"
> <veritas-bu AT mailman.eng.auburn DOT edu>
>         cc:        
>         Subject:        [Veritas-bu] drives showing UNKNOWN
>
>
>
>
> Netbackup 5.0 mp5s2 on solaris 8 connected to L1000 with 4 DLT7000
> drives in.
>
> Has anyone seen it where robtest shows drive with barcode UNKNOWN, yet
> there are no tapes in the drive?
>
> Invoking robotic test utility:
> /usr/openv/volmgr/bin/tldtest -r /dev/sg/c3t0l0 -d1 /dev/rmt/0cbn -d2
> /dev/rmt/1cbn -d3 /dev/rmt/2cbn -d4 /dev/rmt/3cbn
>
> Opening /dev/sg/c3t0l0
> MODE_SENSE complete
> Enter tld commands (? returns help information)
> s d
> drive 1 (addr 128) access = 1 Contains Cartridge = no
> SCSI ID from drive 1 is 2
> drive 2 (addr 129) access = 1 Contains Cartridge = no
> SCSI ID from drive 2 is 3
> drive 3 (addr 130) access = 1 Contains Cartridge = yes
> Barcode = UNKNOWN
> SCSI ID from drive 3 is 4
> drive 4 (addr 131) access = 1 Contains Cartridge = yes
> Barcode = UNKNOWN
> SCSI ID from drive 4 is 5
> READ_ELEMENT_STATUS complete
>
>
> The drives keep going down if i up them and a job tries to use them.
>
> I currently have them in a down state. The drives are flashing, but the
> akibia support after not responding for ages are trying to say its a
> netbackup problem as mt -f /dev/rmt/2cbn status shows there is no tape
> loaded. ( which it wouldnt because there isnt one )
>
> # for d in 0 1 2 3; do mt -f /dev/rmt/$d'cbn' status; done
> /dev/rmt/0cbn: no tape loaded or drive offline
> /dev/rmt/1cbn: no tape loaded or drive offline
> /dev/rmt/2cbn: no tape loaded or drive offline
> /dev/rmt/3cbn: no tape loaded or drive offline
>
>
> I am thinking the drives are goosed and robtest cannot talk to them to
> get a clear picture. Is this on the right track?
>
> Anyone any ideas?
>
>
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