What happens when you try to do the move without the unload ???
What does mt tell you when you query the drive via the OS ??? Remember
that
the OS can think differently of the drive(s) to what Netbackup knows. I
have had
issues with an L100 in the past. The 180 is quite similar, the only real
difference is
that it's much taller.
Regards
Dom
"JAJA (Jamie Jamison)" <jamisonj at zgi.com>
Sent by: veritas-bu-bounces at mailman.eng.auburn.edu
05/12/2006 02:02 PM
To
veritas-bu at mailman.eng.auburn.edu
cc
Subject
[Veritas-bu] Incorrect Tape Drive Status Causing Drives To Fail on L180
Library
I have a StorageTek L180 library with IBM LTO-2 drives
connected to a Sun media/master server via fibre channel. I have six
drives and I recently migrated to a new media/master server. I'm having a
problem with two of the drives in the system, they show up at the PROM
when I run 'probe-scsi-all' and in the OS when I run 'cfgadm -al' and
'sgscan tape' and show up in robtest. However when I load a tape into them
with robtest, or when NetBackup loads a tape into them the tape seemingly
disappears, a media not present error is returned and the drive downs
itself.
I have rebuilt the drives starting at the fiber channel
level by deleting the Fabric_WWN_Map file and running cfgadm with the
'force_configure' option, rebuilt my rmt drivers by running sg.build to
build a new st.conf, removing the existing /dev/rmt drivers, editing
/kernel/drv/st.conf and doing a reconfiguration reboot, reinstalled the sg
drivers with the sg.build and sg.install commands and run the device
configuration wizard in NetBackup to detect the drives. The drives are
properly detected, but they don't work. Below is an example of what
happens when I try to load a tape with robtest, note how the drive can
correctly return the barcode of the loaded tape, but as soon as I try to
unload the tape the command fails with a 'media not present' error. Any
help that anyone can give me in resolving this would be greatly
appreciated. These drives are less than three months old so I have a hard
time believing that I've had two of them fail at the same time.
Thanks,
Jamie Jamison
READ_ELEMENT_STATUS complete
m s11 d1
Initiating MOVE_MEDIUM from address 1010 to 500
MOVE_MEDIUM complete
s d
drive 1 (addr 500) access = 0 Contains Cartridge = yes
Source address = 1010 (slot 11)
Barcode = K01043
drive 2 (addr 501) access = 1 Contains Cartridge = no
drive 3 (addr 502) access = 1 Contains Cartridge = no
drive 4 (addr 503) access = 1 Contains Cartridge = no
drive 5 (addr 504) access = 1 Contains Cartridge = no
drive 6 (addr 505) access = 1 Contains Cartridge = no
drive 7 (addr 506) access = 1 Contains Cartridge = no
drive 8 (addr 507) access = 1 Contains Cartridge = no
READ_ELEMENT_STATUS complete
unload d1
Opening /dev/rmt/0cbn, please wait...
Error - cannot open /dev/rmt/0cbn (I/O error)
m d1 s11
Initiating MOVE_MEDIUM from address 500 to 1010
move_medium failed
sense key = 0x5, asc = 0x3a, ascq = 0x0, MEDIUM NOT PRESENT
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