在MAA配置过程中，克隆时报告target数据库文件在local filesystem上的解决方法：
在主库上：$ rman target/
Recovery Manager: Release 11.2.0.4.0 - Production on Sat Nov 4 10:47:52 2017
Copyright (c) 1982, 2011, Oracle and/or its affiliates.All rights reserved.
connected to target database: C01ORCL (DBID=1002875412)
RMAN> show all;
using target database control file instead of recovery catalog
RMAN configuration parameters for database with db_unique_name C01ORCL are:
CONFIGURE RETENTION POLICY TO REDUNDANCY 1; # default
CONFIGURE BACKUP OPTIMIZATION OFF; # default
CONFIGURE DEFAULT DEVICE TYPE TO DISK; # default
CONFIGURE CONTROLFILE AUTOBACKUP OFF; # default
CONFIGURE CONTROLFILE AUTOBACKUP FORMAT FOR DEVICE TYPE DISK TO '%F'; # default
CONFIGURE DEVICE TYPE DISK PARALLELISM 1 BACKUP TYPE TO BACKUPSET; # default
CONFIGURE DATAFILE BACKUP COPIES FOR DEVICE TYPE DISK TO 1; # default
CONFIGURE ARCHIVELOG BACKUP COPIES FOR DEVICE TYPE DISK TO 1; # default
CONFIGURE MAXSETSIZE TO UNLIMITED; # default
CONFIGURE ENCRYPTION FOR DATABASE OFF; # default
CONFIGURE ENCRYPTION ALGORITHM 'AES128'; # default
CONFIGURE COMPRESSION ALGORITHM 'BASIC' AS OF RELEASE 'DEFAULT' OPTIMIZE FOR LOAD TRUE ; # default
CONFIGURE ARCHIVELOG DELETION POLICY TO NONE; # default
CONFIGURE SNAPSHOT CONTROLFILE NAME TO '/u01/app/oracle/product/11.2.0/dbhome_1/dbs/snapcf_c01orcl1.f'; # default
RMAN> CONFIGURE SNAPSHOT CONTROLFILE NAME TO '+data/c01orcl/snapcf_c01orcl1.f';
如果克隆完成后，报告controlfile I/O问题，
就以root身份授权：# /u01/app/11.2.0/grid/bin/setasmgid-o/u01/app/oracle/product/11.2.0/dbhome_1/bin/oracle
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