在RMAN执行  delete noprompt archivelog until time 'sysdate-1';  报错
 
ORA-00245: control file backup failed; in Oracle RAC, target might not be on shared storage
 
RMAN-08132: WARNING: cannot update recovery area reclaimable file list
 
查看RMAN配置
RMAN> show all;
 
RMAN configuration parameters for database with db_unique_name STANDBY are:
CONFIGURE RETENTION POLICY TO REDUNDANCY 1; # default
CONFIGURE BACKUP OPTIMIZATION OFF; # default
CONFIGURE DEFAULT DEVICE TYPE TO DISK; # default
CONFIGURE CONTROLFILE AUTOBACKUP ON;
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 RMAN OUTPUT TO KEEP FOR 7 DAYS; # default
CONFIGURE ARCHIVELOG DELETION POLICY TO NONE; # default
CONFIGURE SNAPSHOT CONTROLFILE NAME TO '/u01/app/oracle/product/12.1.0/db_1/dbs/snapcf_gxshis1.f'; # default
 
 
原因：
控制文件快照不是放在共享文件系统上。
 
解决办法：
把控制文件快照放在共享文件系统上。
 
RMAN >  CONFIGURE SNAPSHOT CONTROLFILE NAME TO '+DATA/STANDBY/CONTROLFILE/snapcf_gxshis1.f';