Optimizing a file system

[Jon Zeeff]

I'm looking for software to optimize Unix (sys V.2) file systems.  I 
can gain some benefit by backing up and restoring, but in my 
situation, it would be more automated if I could umount a file system 
and run a program on it.  I realize that there are commercial programs 
available, but would prefer something less expensive.  

It appears that the Sys V dcopy might do what I want, but it's not 
clear that it can copy back to the same file system.  
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- Jon Zeeff			ihnp4!umich!b-tech!zeeff
  Branch Technology		Jon_Zeeff%um.cc.umich.edu
  Ann Arbor, MI