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echo: os2dos
to: MATTHEW LAIRD
from: JOHN THOMPSON
date: 1996-10-04 09:24:00
subject: defrag

In a message of 10-01-1996, MATTHEW LAIRD wrote re: defrag
ML> Umm, correct me if I'm wrong, but I thought HPFS was auto-optimizing?  As 
in, 
ML> it defrags automatically when you're not looking...
No; hpfs *RESISTS* fragmentation but does not prevent it or 
automatically correct it.  If hpfs knows the size of a file (as
it can when you copy from one location to another) it will try to
store the file contiguously.  Files that are frequently modified
are still subject to fragmentation, though.  The simplest way to
defragment individual files on an hpfs partition is to copy them
to another location and then back again.  In fact, this is how
many of the freeware hpfs defrag utilities work.
ML> if this isn't correct,  where might I get this GammaTech
ML> tool? =)
GammaTech is commercial software.  You can order it from 
Indelible Blue or IBM Direct.
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