Migrating database - need suggestion

We are presently on intel server 32 bit h/w with 32 bits RHEL 4.6 with Oracle 9i(9.2.0.8) x86_32 Bit Database (PRODUCTION). And Moving on 64 bit IBM BLADE SERVERS, 64 BIT RHEL 5.3 o/s , x86_64 Bit Oracle 10G rel2(10.2.0.4). So Coping C/R/D from source to destination And bring the database in UPGRADE mode, THEN add sysaux & TEMP TS WILL help
or
We have to go with export/import.. If So What will be the Effective Options (like Ignore=y,Compress,consistent etc,etc) that we can use to Save our Database from ERROR's while IMPORT
Also, lets say after migration, some problem occured on new server after 2 days. now we can restore with the backup which was taken on old server. my manager wants these 2 days data also after restoring. how can i proceed in this case?
thanks in advance

Since you're going to move to a different release, and OS I'd recommend to use an export/import on your new DB, create the DB with DBCA, all tablespaces and then the users with the same privileges as are now.
Shutdown your DB and bring it back in restricted mode to avoid any modification to the data while you're doing the export, it is very important to create a log for the export and also for the import, because you must check that everything was right on both operations.
Also it would be better if you could have updated statistics on the current db in order to avoid the error for old statistics.
Hope this helps.
Regards.
FR.

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