I am seeing some DS8000s where a mod-27 is defined as 30051 cylinders. I am seeing other sites were the mod-27 is defined with 32760 cylinders.

I know the architectural limit of a mod-27 is 32760 cylinders, but if you work with multiples of mod-1 units, the 30051 number make sense.

I also know that when you use the DSCLI, you can specify any number of cylinders. What I don't know is what the old GUI did.

So, some questions:

1) What size is a mod-27 in your shop?
2) Was your DASD allocated using the DSCLI or the GUI?

--
Tony Thigpen

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