On Fri, 7 Aug 2015 12:55:49 -0400, John Eells  wrote:

> (Jim Mulder) wrote:
>
>>    For a z13 machine, the limits are 10TB on the box, and
>> 4TB in a z/OS partition.
>
>...on z/OS V2.2, and planned for V2.1 at V2.2 GA.  Still 1TB for z/OS V1.13.
>
    7) Provide a decade of addressing. Computers never have enough address 
space.
    -- Gordon Bell, 1989.  Cited in:

    http://users.ece.cmu.edu/~koopman/titan/rules.html

And he is reported to have said (citation needed) that the hardest architectural
shortcoming to overcome is too few address bits.

-- gil

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