At 08:09 +0000 on 08/19/2008, Ted MacNEIL wrote about Re:
Unbelievable Patent for JCL:
>I simply don't believe someone had the audacity to patent this.
http://www.patentstorm.us/patents/6120553/description.html
Can you say "partial release on close", boys & girls?
That only is of use if the dataset is created once and then never
updated (just recreated from scratch). Otherwise as you update/extend
(disp=mod) the dataset, you tend to will add extents with each update
since when you trim, you cut back to a cylinder boundary and the next
update can fill the remainder of the cylinder and thus need a new
extent for the rest of the data you want to write during this job.
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