（单选题）
You are performing backup and recovery operations by using RMAN. You are using a recovery catalog for the RMAN repository. You are planning to migrate to ASM disk storage to enable new disks to be added to the database without shutting down the database. Which information is NOT required during the migration process？（）
A Database Identifier （DBID）
B names and location of datafiles
C names and location of control files
D names and location of online redo log files
正确答案
答案解析
略
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