Problem with DAT Autoloader?

[Brian Ristuccia]

I'm not sure if this problem is related to the AIC7xxx, or if my problem
lies elsewhere, but here's a brief summation:

My tape drive is on /dev/st0. I set my TAPE environment variable
accordingly. I use "mtx first" to load the first cartrige into my Archive
Python 4584NP DAT changer. Then I do "tar cv -F 'mtx next' /"

It will back up the first 3gb or so of data on my hard drive to the first
cart in the magazine. Then the drive will load the second cart, attempt to
back up data there and fail after a few files. I'm assuming tar thinks the
cart is full, since it runs 'mtx next'. 

Tar and mtx will cycle through all the remaining carts until they exhaust
the magazine. Then tar exits with an error.

I've verified the carts individually by doing 'mtx load 2-4' and backing up
and then verifying what gets stored there. I've also tried shuffleing the
carts in the magazine.

This stuff shows up in my logs:

Sep 10 16:42:48 osiris kernel: st0: Error with sense data: extra data not
valid Current error st09:00: sns = 70  3
Sep 10 16:42:48 osiris kernel: ASC= 3 ASCQ= 2
Sep 10 16:42:48 osiris kernel: Raw sense data:0x70 0x00 0x03 0x00 0x00 0x00
0x00 0x0a 0x00 0x00 0x00 0x00 0x03 0x02 0x00 0x2a
Sep 10 16:42:48 osiris kernel: st0: Error with sense data: extra data not
valid Current error st09:00: sns = 70  3
Sep 10 16:42:48 osiris kernel: ASC= 3 ASCQ= 2
Sep 10 16:42:48 osiris kernel: Raw sense data:0x70 0x00 0x03 0x00 0x00 0x00
0x00 0x0a 0x00 0x00 0x00 0x00 0x03 0x02 0x00 0x2a
Sep 10 16:42:48 osiris kernel: st0: Error on write filemark.
Sep 10 16:43:04 osiris kernel: st0: Error with sense data: extra data not
valid Current error st09:00: sns = 70  2
Sep 10 16:43:04 osiris kernel: ASC=3a ASCQ= 0
Sep 10 16:43:04 osiris kernel: Raw sense data:0x70 0x00 0x02 0x00 0x00 0x00
0x00 0x0a 0x00 0x00 0x00 0x00 0x3a 0x00 0x00 0x00

-- 
Brian Ristuccia
brianr at osiris.ml.org
bristucc at baynetworks.com
bristucc at cs.uml.edu

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