Exp move all data

Hello,
I would like to move all data from one database (10.2.0.1 32 bit) to the fresh environment 10.2.0.4 on 64 bit architecture. So I have some questions:
- Can I use for this migration EXP / IMP utility ? All data contains about 10GB, and I can make downtime of database for exp and imp.
- Should I use a full (FULL=Y) export with system user, and import to new enviroment ?
- Do I need to create any tablespaces, roles, schemas on new database ?
Can you give some hints about this kind of migration?
Thank you a lot,
Jimmy,

If I understand, you don't recommend to use EXP with FULL=Y option. Why?
Actually A full database export and import can be used in all Oracle version to transfer a database across platforms. IMP full=y + ignore=Y
Anyway when you use imp ...full = y + ignore=Y , that might make more time than import each of schemasOn the target database I should first create all tablespaces, with temp tablespaces, create all users and use IMP utility with option FROMUSER=XXX TOUSER=XXX to import
if you use FROMUSER=XXX TOUSER=XXX
You have to create tablespaces, roles , profile , users and grant anything like source databaseWhat about roles? Is this possible to export only roles using EXP utility? Should I export anything else from source database?
DBA or sysdba roles ,that can export full=y
You should export full from source database...
after that you can import full or each of schemas.You have a lot of schema, I think You should use exp/imp full=Y... this might good solution.
1. create target database
2. get tablespaces name from dba_tablespaces on source database and then create tablespaces on target database.
3. export FULL from source database
exp system/password FULL=y FILE=exp_full.dmp LOG=exp_full.log 4. transfer binary dump file to target database
5. import full=y + ignore=y
imp system/password FULL=y FILE=exp_full.dmp LOG=imp_full.log IGNORE=y remark: you can use DATA PUMP, that faster EXP/IMP

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