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svishnudas
New User
Joined: 02 Aug 2006
Posts: 4
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Hi all...
While creating a GDG in the following way ESCUB11.VDS.GDG1(+N), it is possible for N to have values in the range 1 to 255....
That is (+1) to (+255)...
Can anyone please tell the reason for this.... |
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shreevamsi
Active User
Joined: 23 Feb 2006
Posts: 305
Location: Hyderabad,India
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hi,
MVS is a 8 bit operator.
So the Max value can be 2 power of 8. That is 256.
Since the GDG is refered from zero, a maximum of 255 can be created.
Clear??
~Vamsi |
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imain
Warnings : 1
New User
Joined: 25 Jun 2006
Posts: 14
Location: US
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hi Vamsi,
Can u tell me abt MVS Extended Architecture.
What bit it is.?
I thought MVS was 32 bit. |
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shreevamsi
Active User
Joined: 23 Feb 2006
Posts: 305
Location: Hyderabad,India
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Yes Imain,
MVS is 24 or 31 bit OS, and of that only 8 bits are allocated for what are required.
After that there is truncation of the bits...(exceeds the 8 bits allocated)
2 power 8 = 256.
MVS counts from 0 to 255 total of 256.
So at Max MVS allows at most 255 no of EXEC, Buffers, GDG versions,Procs etc.........
Hope i cleared what you wan.
~Vamsi |
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