W dniu 29.05.2025 o 06:11, Brian Westerman pisze:
You can also just use ficon cards as CTC's, it's a lot cheaper than MIM because
GRS is free. As long as you just have a few LPARs the process is simple and
cost effective.
No, it is not discussion about MIM vs GRS.
It is about tape autoswitching, which is "built-in" in sysplex features,
but require add-on software for cross-sysplex configurations. I can't
remember exact names of the products, however CA (now Broadcom) had one,
belonging to MIM family. IBM has such product as well. I cannot tell
which one is cheaper or what features are different, however both are
*not free*. The rest is matter of negotiations, evaluations, etc.
However in many cases the number of virtual drives in VTS-like solution
is big enough to statically assign the to the systems. And this is
(almost) free. Almost, because for IBM VTS anything above 256 is paid
feature. IMHO it is not expensive when you negotiate new box, upgrades
are different animals.
--
Radoslaw Skorupka
Lodz, Poland
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