|
9405-520 can only go as high as 7.1 as per
http://www-01.ibm.com/support/docview.wss?uid=ssm1platformibmi
And, even then, you had better make sure that all the hardware in that box
is compatible also.
For example, we had a Power 6 9406-MMA which says it will run on 7.2.
However we would have had to rip out every card, expansion unit, disk unit
and everything else. (We had carried a lot of stuff over from Power 5
days.) So we upgraded to Power 8 first, then upgraded the OS.
If you've only previously experience this at Version levels you've been
<expletive deleted> lucky. As you look at the chart above you can see
- systems which would work on V5R2 but not V5R3
- systems which would work on V5R3 but not V5R4
- ... V5R1 but not V5R2
So it's not like this is a new thing.
Rob Berendt
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