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Upgrading OEM

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Chuck

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Oct 19, 2009, 6:06:31 PM10/19/09
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Looking for tips and best practices for upgrading OEM 10.2.0.1 to
10.2.0.5 on an 8 core Sun v490. It's currently monitoring about 60 hosts
and 140 databases, some of which are critical production systems. I want
to keep the down time to a minimum. Does anyone have an idea of how much
down time is necessary to perform such an upgrade?

I've thought about installing anew on a 2nd host and migrating the
monitored hosts one by one to the new OEM but there are *very* many
firewall considerations in my environment and that itself will become a
large project. Do you think this is the best approach?

TIA

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