In regard to: [Networker] STG L20 jukebox on Tru64, Itzik Meirson said (at...:

>We are facing problems connecting a StorageTek L20 jukebox with 2 LTO (LVD) 
>drives.
>The Tru64 system is at 5.1a with latest patches applied.
>At boot time, at the >>> stage the robotic arm, as well as the drives are
>shown.  After the system is up we only see the tape drives.
>The robotic arm does not show up as a /dev/changer device.

I haven't seen a response to this.  Did you get it solved?

Since you're at 5.x, you have the media changer support built into the OS.
Can you see the robot using

        /usr/opt/networker/bin/inquire

?  Does it show up as type "Autochanger", or something similar?
Is there a "DEFAULT" changer entry in /etc/ddr.dbase?  Most changers will
work relatively well using the default entry, though if you know lots
about the specifics of the L20 you could probably find something to tweak
for a custom STK L20 entry.

Does it show up with any hardware ID when you use

        hwmgr -scan scsi
        hwmgr -show scsi

?

If you can see it with hwmgr and/or inquire, what happens if you use
MAKEDEV.MC or MAKEDEV to make a changer device with the appropriate minor
for the bus/target/lun combination?  Can you talk to the changer through
the device file that's created?

Tim
--
Tim Mooney                              mooney AT dogbert.cc.ndsu.NoDak DOT edu
Information Technology Services         (701) 231-1076 (Voice)
Room 242-J6, IACC Building              (701) 231-8541 (Fax)
North Dakota State University, Fargo, ND 58105-5164

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