ADSM-L

PST Files and Backup Times Revisited

2002-06-12 22:24:02
Subject: PST Files and Backup Times Revisited
From: "Seay, Paul" <seay_pd AT NAPTHEON DOT COM>
Date: Wed, 12 Jun 2002 22:21:17 -0400
This discussion has been circling for the last week and I had not had time
to checkout what I am going to point out here.

A PST is continually added to the end.  As stuff is added it just grows.
When you delete the stuff, IT DOES NOT SHRINK by itself.  You have to
COMPACT it.  I took the example of a PST that the properties FOLDER SIZE
function said only 53KB was used.  That looks great and why do I need to
compact it.  Take a look at the .PST file from the OS point of view.  This
one was over 3MB.  When I compacted it, it went to 169KB.  Guess what not
even subfile backup can beat that improvement.

So, we need to encourage our users to compact their PSTs regularly.  The
savings in space to them and backup times could be significant.  However, if
it is a .PST that is only added to and never anything deleted, subfile is
the way to go, and do not compact.

I have resolved myself that Bill Gates makes nothing on software.  He must
make all is money investing in storage companies.

Paul D. Seay, Jr.
Technical Specialist
Naptheon, INC
757-688-8180
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