pa-risc to itanium migration

Good day all,

I would appreciate hearing of any experiences of Oracle database migration from 
HP-UX PA-RISC to HP-UX Itanium, especially relative to Oracle spincount, cursor 
sharing, HP-UX config, and any other lurking gems.

Environment:

Oracle: 9.2.0.7 EE, OLTP avg sustained connects: ~3900
HP PA-RISC: HP9000/800/rp8420, 14 cpus, 48877mb, os: 11.11
HP Itanium: rx 7640, 12 cpus, 49017mb, os: 11.23
SAN: EMC, 1GB interconnects, single NIC


Thanks.

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