John Hein wrote at 21:38 -0700 on Jan 21, 2009:
 > Tom Robinson wrote at 12:30 +1100 on Jan 22, 2009:
 >  > I've got several disks that are showing weird compression results in the 
 >  > amanda report. Here's one of them:
 >  > 
 >  >                                                    DUMPER STATS           
 >         TAPER STATS  
 >  > HOSTNAME DISK                      L   ORIG-KB     OUT-KB  COMP%  MMM:SS  
 >  KB/s MMM:SS     KB/s
 >  > ------------------------------------ 
 > ------------------------------------------ ---------------
 >  > host     /disk                     1   2031690    4063380  200.0   36:34 
 > 1852.3   6:27  10487.2
 >  > 
 >  > 
 >  > Note the ORIG-KB blows out to twice the size! COMP% is 200.0...
 >  > 
 >  > This happens on more that one disk actually. I chose this disk as it's 
 >  > the biggest disk that I dump, it shows the most expansive blowout and I 
 >  > noticed it first. This disk uses 'compress NONE' (dumptype is 
 >  > nocomp-root). Some of the other disks showing compression weirdness are 
 >  > using 'compress client fast' in their DLE's.
 > 
 > Smells like a factor of two error somewhere (512 byte blocks vs. 1024?).
 > What does 'env -i du -ks /disk' say?

Never mind that last request... your report above shows a level 1, not
0.  So du output won't be a useful comparision to the numbers above.
Does it behave the same (x2) for level 0 dumps, too?