In <000801c9670e$3b559f80$b200de...@hawkins1960@sbcglobal.net>, on
12/25/2008
   at 07:58 PM, Ron Hawkins <ron.hawkins1...@sbcglobal.net> said:

>So what is your answer to the question?

The one that I posted: use, e.g., BLK3390 to determine how many blocks
will fit on a track, then do the arithmetic. That assumes, of course, no
compression and no short blocks.

>The OP did not ask how much to allocate - he asked how much is
>allocated.

The answer is the same, i.e., determine the number of blocks/track and do
the arithmetic.

>Factors for block gaps and end-of-track waste are already factored into
>the existing file allocation. 

Not if the original allocation was in tracks or cylinders. Not if there
are secondary extents. Besides which, if the original poster had the
original allocation in, e.g., Mi bytes, then he wouldn't be asking.
 
-- 
     Shmuel (Seymour J.) Metz, SysProg and JOAT
     ISO position; see <http://patriot.net/~shmuel/resume/brief.html> 
We don't care. We don't have to care, we're Congress.
(S877: The Shut up and Eat Your spam act of 2003)

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