Autoconfig Run on which node first

Hi Guru's,
I had little confusion,
1. Where to run auto config first DB node or Apps node,
and Why (which ever is the first node),
2. if multiple Application nodes then on which node first,
3. both cases like noshared application file system and shared application system
can i run auto config on second node while applications services running on first (application) node
4. Can i have shared appl_top (not shared application file system) like in 11i in R12
thanks in advance.

1. Where to run auto config first DB node or Apps node,
and Why (which ever is the first node),It does not matter, but the common practice is to do on the database tier node then on the application tier node.
2. if multiple Application nodes then on which node first,See above.
3. both cases like noshared application file system and shared application system
can i run auto config on second node while applications services running on first (application) node Yes.
4. Can i have shared appl_top (not shared application file system) like in 11i in R12Yes -- Shared APPL_TOP FAQ [ID 243880.1]
Thanks,
Hussein

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