----------------------<snip>---------------------
thus reducing CPU overhead and the chance of RPS miss.
That is so five minutes ago.
1. ECKD got rid of most overhead
2. RAID took care of the rest.
3. Talk about cache.
Allocate with whatever units you wish.
Performance issues regarding cylinder, block, track allocation are long gone.
Can you say: "Define Extent"?
-------------------------<unsnip>-------------------------
Allocation units are still important to some application programmers
from a space-management point of view.
We all know that we have tools and mechanisms to deal with many of the
issues involved, but we still have to work with a few people who haven't
come forward from the Dark Ages of Storage Management just yet, and
might never do so. I haven't fully embraced Modern Storage Management
myself, in all honesty; I'm a bit more concerned with some other aspects
of our computing world. I use SMS, but HSM is still a closed book for
me; (Slammed closed, burned and buried, especially after working with
the Innovation tools!)
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