On Tuesday 26 June 2007 11:58:00 Weber, Philip wrote:
> Is it possible to have 2 configs using 2 separate drives in a tape
> robot, i.e. can they share the changer interface?  I don't mean use of
> RAIT.

The answer to your question is yes, but you must ensure that only one instance 
of mtx is running at a time. If your configurations each use one tape only, 
then it should be safe to start them at different times, as Joshua has 
suggested. If you have runtapes > 1 for both configurations (and maybe even 
if not), you might consider wrapping MTX in a short script to ensure that 
only one copy runs at a time.

--Ian

> I have successfully set up 1 config with chg-zd-mtx & then tried
> duplicating that to a 2nd config using chg-zd-mtx with a different set
> of tapes in the robot, and the other drive.  This was successful, except
> one of the amdumps failed on the first calling saying no writable tape
> could be found; it worked on the 2nd calling so I suspect there is a
> clash with 2 configs trying to access the changer.
>
> Or am I barking up the wrong tree, is there a better way to do this (one
> of the other changer scripts?) or is it just not possible/supported?
>
> Thanks for any info or suggestions as to where in the documentation I
> should be looking.
>
> Phil
>
> Phil Weber
> Business Technology (Egg)
> Storage Technical Services - Senior UNIX Technologist
> Phone: 01384 26 4136
>
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