The XLS is a new design with the I/O slots that open on the front (holding a 10 
tape
cartridge).  When the I/O Slots are opened and the cartridge holder removed, 
you can stick your
arm inside the library.  Therefore, Qualstar designed the library to lock the 
robot arm when
the I/O slots are opened.  It took a year of providing examples of tapes 
getting "stuck" before
EMC finally provided a fix for the problem.

In a nutshell -- the XLS went "offline" when the I/O ports opened.  NetWorker 
didn't notice.
NW would eject a tape and then discover the robot wouldn't move and fail the 
unload operation.
 The problem was NW didn't recognize an already ejected tape -- and would fail 
all future
unload attempts because the tape drive would return an error code that told NW 
the tape it was
trying to eject was already ejected -- which NW would report as "drive not 
ready, needs init".
 This was September 2007 to August 2008.

On 10/8/10 4:48 PM, George Sinclair wrote:
> Also, what all (say, in a nutshell) was involved in getting it to work with 
> NW? I thought NW
> had long supported Qualstar, but maybe your's was a newer model they'd not 
> yet tested? Just
> curious.

-- 
Frank Swasey                    | http://www.uvm.edu/~fcs
Sr Systems Administrator        | Always remember: You are UNIQUE,
University of Vermont           |    just like everyone else.
  "I am not young enough to know everything." - Oscar Wilde (1854-1900)

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