W dniu 2011-04-18 11:44, ibmnew pisze:
It's not. non-EF PS can be multi-volume.
Yes.
What's differences between non-EF PS with EF PS?
Below is the differences?
1.EF PS can be compressed
2. no track limitation for EF PS ( Is EXTENDED ADDRESSABILITY parameter only
used for VSAM ?)
64k TRACK limitation, striping, maximum number of extents per volumes
(16 vs 123), compression.
The above are "visible" differences.
Peter mentioned assembler macros. (Thank you for the clarification!)
Depending on your z/OS release EF-PS can reside in EAS ("big" part of
EAV), but AFAIK in 1.12 non-EF PS is also allowed for it.
There are also differences on very low-level operations, which are
usually invisible and unavailable for "regular application user".
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