Veritas-bu

[Veritas-bu] drives showing UNKNOWN

2006-03-23 10:14:13
Subject: [Veritas-bu] drives showing UNKNOWN
From: dave.markham AT fjserv DOT net (Dave Markham)
Date: Thu, 23 Mar 2006 15:14:13 +0000
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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