If you're serving customers in every time zone then I agree - 1 server
probably won't do it. You probably need HA software to enable you to switch
quickly to a backup server, to apply PTFs and perform maintenance on the
first, and visa versa. You might even need servers physically located all
over the world. Perhaps IBM will add an IBM i on Power - platform as a
service through their Softlayer acquisition - who knows?

On Tue, Jun 10, 2014 at 10:17 AM, Brian May <bmay@xxxxxxxxxxxxxxxxx> wrote:

That is an absolutely valid way to do it, and it has its advantages.

But, if you are hosting customers all over the globe, scheduling
maintenance windows can become a nightmare. Customer X can allow an outage
in the middle of the night, but customer y is getting started with their
work day at that time. Then customer z runs 2 shifts that overlap both
previous customers.

Not arguing, just food for thought.


Brian May
IBM i Modernization Specialist
Profound Logic Software
937-439-7925 Phone
877-224-7768 Toll Free

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