Steve Comstock wrote:
I've been trying to do a little research and
I'm getting mixed results. What I would like
to find is: what is the capacity of the largest
logical 3390 model supported by z/OS?
Figures I've seen range from 8.5 GiB to 55 GiB,
from different sources.
You folks are where the rubber meets the road,
can anyone tell me the current largest supported
logical 3390 model and its capacity? [and point
me to the best source for this for the future]
55GiB.
8.5GiB was the largest physical model of 3390 family. It was model 9:
3390-9. For many year it was also largest emulated DASD volume.
Shark broke the limit with so called "model 27" (informal name), which
is approx. 27GiB (32760 cyl/dev * 15 trk/cyl * 56664 B/trk).
Recently IBM announced DSS family and by the way new emulation. It was
55Gib, I don't remember how many cylinders, but it a little bit less
than 64ki.
--
Radoslaw Skorupka
Lodz, Poland
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