ORA-00245: control file backup failed; target is likely on a local file system

< ORA-00245: control file backup failed; target is likely on a local file system

--查看备份策略
RMAN> show all;

using target database control file instead of recovery catalog
RMAN configuration parameters for database with db_unique_name UDSRAC 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 ARCHIVELOG DELETION POLICY TO NONE; # default
CONFIGURE SNAPSHOT CONTROLFILE NAME TO '/u01/app/oracle/product/11.2.0/db_1/dbs/snapcf_udsrac1.f'; # default

--查看备份路径
RMAN> show snapshot controlfile name;

RMAN configuration parameters for database with db_unique_name UDSRAC are:
CONFIGURE SNAPSHOT CONTROLFILE NAME TO '/u01/app/oracle/product/11.2.0/db_1/dbs/snapcf_udsrac1.f'; # default

--先进行备份
RMAN> backup
2> FORMAT 'cntrl_%s_%p_%t'
3> CURRENT CONTROLFILE;

Starting backup at 19-NOV-18
allocated channel: ORA_DISK_1
channel ORA_DISK_1: SID=1166 instance=udsrac1 device type=DISK
channel ORA_DISK_1: starting full datafile backup set
channel ORA_DISK_1: specifying datafile(s) in backup set
including current control file in backup set
channel ORA_DISK_1: starting piece 1 at 19-NOV-18
channel ORA_DISK_1: finished piece 1 at 19-NOV-18
piece handle=/u01/app/oracle/product/11.2.0/db_1/dbs/cntrl_111_1_992596709 tag=TAG20181119T091829 comment=NONE
channel ORA_DISK_1: backup set complete, elapsed time: 00:00:01
Finished backup at 19-NOV-18

Starting Control File and SPFILE Autobackup at 19-NOV-18
piece handle=/u01/app/oracle/product/11.2.0/db_1/dbs/c-644115671-20181119-02 comment=NONE
Finished Control File and SPFILE Autobackup at 19-NOV-18

--修改备份路径（一定要指定具体的文件名，要不然当前的控制文件可能被覆盖）
RMAN> CONFIGURE SNAPSHOT CONTROLFILE NAME TO '+DATA/UDSRAC/CONTROLFILE/snapcf_udsrac1.f';

new RMAN configuration parameters:
CONFIGURE SNAPSHOT CONTROLFILE NAME TO '+DATA/UDSRAC/CONTROLFILE/snapcf_udsrac1.f';
new RMAN configuration parameters are successfully stored

--查看修改后的路径
RMAN> show all;

RMAN configuration parameters for database with db_unique_name UDSRAC 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 ARCHIVELOG DELETION POLICY TO NONE; # default
CONFIGURE SNAPSHOT CONTROLFILE NAME TO '+DATA/UDSRAC/CONTROLFILE/snapcf_udsrac1.f';