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Here's my config
Source O/S : Win 2003
Source DB : 10.2.0.4 ( 32 bit )
DB Size : 100 GB
Target O/S : Win 2008 R2 sp1
Target DB : 220.127.116.11 ( 64 bit )
I have to upgrade 10g Database of server A , by installing 11g on Server B. I have not used database upgrade assistant or RMAN or similar utilities to perform a 10g upgrade to 11g anytime in the past.
Here is my question ...
a) I was planning to use datapump to perform this upgrade ( Downtime is not a issue ), since I know how to use datapump, do you guys see any potential problem with this approach ? OR
b) Based on your exp. would you suggest that i should avoid option (a) because of potential issues and use other methods that oracle suggests like upgrade assistants etc
I am open to both options, it's just that since i am not a expert at this point of time, i was hesitating a bit to go with option (b)
db is supposed to undergo from 32 to 64 bit. Not sure if this would be deal breaker.
Note : The upgrade is suppose to happen on 2nd server. Can somebody provide high level steps as pointer.