> I am running NetWorker 7.5.2 and want to ensure that a tape isn't 
> written to if left in the library overnight.  I can't unload the 
> tapes as there aren't enough slots to hold both backups over the 
> weekend.  Maybe a script to change the unloaded tape from append to read 
only?
> 
> Any help would be greatly appreciated.

Mark the tape volume as readonly. Either in NMC, or

nsrmm -y -o readonly <tape volume label>

i.e.

nsrmm -y -o readonly Weekend.Tape.001

See the man page, or the Command Reference Guide, for details.

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