John Hein wrote at 16:00 -0700 on Dec 13, 2008:
 > Tim Bunnell wrote at 17:03 -0500 on Dec 13, 2008:
 >  > Folks,
 >  > 
 >  > We're running Amanda (version 2.5.1p1) on a Debian Linux system with an 
 >  > 8-tape AIT-2 library. We have around 314GB spread over two file systems 
 >  > that we are attempting to backup in one run across as many tapes as 
 >  > necessary. We're using gzip compression and expect it will take 5-6 
 >  > tapes to complete (there's a fair amount of audio and image data that 
 >  > doesn't compress too well).
 >  > 
 >  > I think we have the config files set up correctly, but it seems like no 
 >  > matter what we do, the run stops (after about 16 hours) and reports that 
 >  > it's out of tape. I don't think it has ever succeeded in spanning more 
 >  > than 4 tapes before giving us the error. I see nothing in the .debug 
 >  > output for the changer that looks different for any tapes it changes.
 >  > 
 >  > I'm sort of at a loss for where to start looking for the problem, and 
 >  > what to look for. Any suggestions from the list?
 > 
 > Do you really know the tape capacity for your tapes?
 > Some AIT-2 flavors are 36 GB, some are 50 GB, it seems.
 > 36*8 < 314
 > 
 > Have you run amtapetype to verify?
 >  (see http://wiki.zmanda.com/index.php/Tapetype_definitions)
 > Do you have hardware compression off?

Sorry, I just re-read and saw that it only used 4 tapes.
What is runtapes set to?
Somewhere in the logs, it should explain why it's not
going past 4.