You could use the managing partition for running things. For example if
you started out with one partition and later on you wanted to break out
development into it's own partition you could do so, and make the
production partition the controlling partition.
However, best practices dictated that you have one partition as a
controlling partition running no other applications, and have a separate
production and development partition.
But why? I have a tough time remembering. Especially on pre power 6
machines with pre 6.1 os because of the extra investment in hardware
required for each partition. I think the theory was that if you had to
IPL partition EastCoast and that was your controlling partition, did you
really want to bring down WestCoast also? But if you had three
partitions: Control, EastCoast and WestCoast you could IPL EastCoast to
your hearts content with no adverse affects on WestCoast.
Rob Berendt
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