The Tape drives are not visible to y'r media
server(NO_HW). You can load a tape through robtest but
you can't unload it if the drive is not visible to the
server.

Shyam

--- "Syed, Mukarram" <MSyed AT xo DOT com> wrote:
> 
> Hi
> Here is my situation and I need some help
> I am running Netbackup 3.4.1 running on Solaris 7
> (which is my master and
> media manager).
> Early this morning my backups failed.  I have a STK
> L180 (SCSI) with 8 DLT
> 7000 drives.  When I checked my Device Monitor, all
> the drives were DOWN'ed.
> I went into robtest and saw that there were tapes
> stuck all the drives. 
> One of my backup was active and the other one which
> started later was
> queued.
> I killed both my backups and went to check the robot
> physically.  I saw that
> all the drives were either in the REWOUND state or
> in someother state, I
> don't recall.
> I tried to unload the tapes using Robtest and move
> it to their respective
> slot, but I get the following error for example:
> unload d3
> Opening /dev/rmt/2cbn, please wait...
> Error - cannot open /dev/rmt/2cbn (I/O error)
> 
> When I initiate a move for example, it gives me the
> following error:
> m d5 s45
> Initiating MOVE_MEDIUM from address 504 to 1044
> move_medium failed, CHECK CONDITION
> sense key = 0x5, asc = 0x3a, ascq = 0x0, MEDIUM NOT
> PRESENT
> Even though the tapes were in the drives, when I ran
> a mt command to check
> the status of the drives, it said the following:
> # mt -f /dev/rmt/5cbn status
> /dev/rmt/5cbn: no tape loaded or drive offline
> When I went to check the drives, the DLT 7000 drives
> had green lights on
> them.
> 
> I manually removed the tapes from the drives and put
> it back in their
> respective slots.  I powercycled the drives, not the
> robot.
> When I then did a robtest to move the tape back and
> forth from the drive to
> the slot and vice versa, the robtest successfully
> moved it from the slot to
> the drive, but it would not move it from the drive
> back to the slot and the
> unload command fails.
> Here is the output:
> 
> m s3 d3
> Initiating MOVE_MEDIUM from address 1002 to 502
> MOVE_MEDIUM complete
> 
> unload d3
> Opening /dev/rmt/2cbn, please wait...
> Error - cannot open /dev/rmt/2cbn (I/O error)
> 
> m d3 s3
> Initiating MOVE_MEDIUM from address 502 to 1002
> move_medium failed, CHECK CONDITION
> sense key = 0x5, asc = 0x3a, ascq = 0x0, MEDIUM NOT
> PRESENT
> 
> This is happening on all my drives.  Now I am going
> to powercycle the robot
> and see what happens.
> What could be the cause for this? 
> What should I do next to troubleshoot this problem? 
> My gut feeling is that
> the robot is not communicating with the Media
> Manager properly.  
> Any suggestions would be greatly appreciated.
> Thanks
> 
> Mukarram Syed
> UNIX Systems Administrator 
> XO Communications
> 
> 
> _______________________________________________
> Veritas-bu maillist  - 
> Veritas-bu AT mailman.eng.auburn DOT edu
>
http://mailman.eng.auburn.edu/mailman/listinfo/veritas-bu


__________________________________________________
Do You Yahoo!?
Yahoo! Health - Feel better, live better
http://health.yahoo.com