Oracle Rac and IBM P-series machines


We have a pair IBM P690 machines running AIX 5.3.


I was wondering if anyone is running RAC on these machines.  


Is it true I would need to use RAW devices because of RAC?  "Normal"
file systems would not work for RAC.


And can the machines be geographically apart from each other (like
within a mile)?

Last I heard the physical distance was a problem, but things change fast
around here.



Tom Mercadante

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