问题：
这是一个从RAC环境的数据库的RAMN备份恢复到一个单机数据库的操作。当恢复数据文件和恢复正常，但在open数据库时出报下面的错误。
--rman备份恢复操作
#创建参数文件
$cat initntracdb.ora
*.archive_lag_target=0
*.compatible='11.2.0.4.0'
*.control_files='/u01/oracle/oradata/ntracdb/controlfile1.dbf','/u01/oracle/oradata/ntracdb/controlfile2.dbf'
*.db_block_size=8192
*.db_create_file_dest='/u01/oracle/oradata/ntracdb'
*.db_name='ntracdb'
*.db_recovery_file_dest='/u01/oracle/fast_recovery_area'
*.db_recovery_file_dest_size=299000M
*.db_unique_name='ntracdb'
*.dg_broker_start=true
*.local_listener='(ADDRESS=(PROTOCOL=TCP)(HOST=nticket3)(PORT=1521))'
*.log_archive_format='%t_%s_%r.dbf'
*.log_archive_max_processes=4
*.log_archive_min_succeed_dest=1
*.log_archive_trace=0
*.log_file_name_convert='null','null'
*.nls_language='SIMPLIFIEDCHINESE'
*.nls_territory='CHINA'
*.open_cursors=300
*.pga_aggregate_target=429496729
*.processes=600
*.remote_login_passwordfile='exclusive'
*.sga_max_size=3435973836
*.sga_target=3221225472
*.standby_file_management='auto'
*.undo_tablespace='UNDOTBS1'
rman target /
startup nomount;
restore controlfile from'/home/oracle/rmanbak/ncnnf0_TAG20141110T011010_0.1205.863228449'; --首先恢复控制文件
alter database mount;
catalog start with'/home/oracle/rmanbak/'; --批量登记拷过来的rman备份，假设拷过来的备份放到了/u01/rmanbak/目录
list backup; --查看要恢复的是不是这个备份文件
run {
set newname for datafile'+DATA01/ntracdb/datafile/users.295.855410331' to'/u01/oracle/oradata/ntracdb/users.295.855410331';
set newname for datafile'+DATA01/ntracdb/datafile/undotbs1.263.855410331' to'/u01/oracle/oradata/ntracdb/undotbs1.263.855410331';
set newname for datafile'+DATA01/ntracdb/datafile/sysaux.264.855410331' to'/u01/oracle/oradata/ntracdb/sysaux.264.855410331';
set newname for datafile'+DATA01/ntracdb/datafile/system.265.855410331' to'/u01/oracle/oradata/ntracdb/system.265.855410331';
set newname for datafile'+DATA01/ntracdb/datafile/undotbs2.293.855410453' to'/u01/oracle/oradata/ntracdb/undotbs2.293.855410453';
set newname for datafile'+DATA01/ntracdb/datafile/undotbs3.292.855410453' to'/u01/oracle/oradata/ntracdb/undotbs3.292.855410453';
set newname for datafile'+DATA01/ntracdb/datafile/sysaux.257.857772301' to '/u01/oracle/oradata/ntracdb/sysaux.257.857772301';
set newname for datafile'+DATA01/ntracdb/datafile/strategy.256.858008275' to'/u01/oracle/oradata/ntracdb/strategy.256.858008275'
restore database;
switch datafile all;
recover database;
}
--打开数据库时报错
$sqlplus / as sysdba
SQL> alter database open;
alter database open
*
第 1 行出现错误
ORA-03113：通信通道的文件结尾
进程 ID ：6988
回话 ID：191 序列号：3
--查看日志
Thu Nov 13 10:13:20 2014
alter database open
Data Guard Brokerinitializing...
Data Guard Brokerinitialization complete
Data Guard: verifying databaseprimary role...
Thu Nov 13 10:13:20 2014
LGWR: STARTING ARCH PROCESSES
Thu Nov 13 10:13:20 2014
ARC0 started with pid=21, OSid=26949
ARC0: Archival started
LGWR: STARTING ARCH PROCESSESCOMPLETE
ARC0: STARTING ARCH PROCESSES
LGWR: Primary database is inMAXIMUM AVAILABILITY mode
LGWR: DestinationLOG_ARCHIVE_DEST_1 is not serviced by LGWR
LGWR: Minimum of 1 LGWR standbydatabase required
Errors in file/u01/oracle/diag/rdbms/ntracdb/ntracdb/trace/ntracdb_lgwr_26870.trc:
ORA-16072: a minimum of onestandby database destination