RMAN> show snapshot controlfile name;

RMAN configuration parameters for database with db_unique_name ORCL are:

CONFIGURE SNAPSHOT CONTROLFILE NAME TO '/u01/app/oracle/product/11.2.0/db_1/dbs/snapcf_orcl.f'; # default

RMAN> configure snapshot controlfile name to 'home/oracle/snapshot.ctl'; ##此处home路径设置错误，以至于后面报错

new RMAN configuration parameters:

CONFIGURE SNAPSHOT CONTROLFILE NAME TO 'home/oracle/snapshot.ctl';

new RMAN configuration parameters are successfully stored

RMAN-00571: ===========================================================

RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============

RMAN-00571: ===========================================================

RMAN-03008: error while performing automatic resync of recovery catalog

ORA-01580: error creating control backup file /u01/app/oracle/product/11.2.0/db_1/dbs/home/oracle/snapshot.ctl

ORA-27040: file create error, unable to create file

Linux-x86_64 Error: 2: No such file or directory

Additional information: 1

RMAN> configure snapshot controlfile name to '/home/oracle/snapshot.ctl';

RMAN-00571: ===========================================================

RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============

RMAN-00571: ===========================================================

RMAN-03002: failure of configure command at 06/17/2019 16:02:08

RMAN-03014: implicit resync of recovery catalog failed

RMAN-03009: failure of full resync command on default channel at 06/17/2019 16:02:08

ORA-01580: error creating control backup file /u01/app/oracle/product/11.2.0/db_1/dbs/home/oracle/snapshot.ctl

ORA-27040: file create error, unable to create file

Linux-x86_64 Error: 2: No such file or directory

Additional information: 1

RMAN> show all;

RMAN-00571: ===========================================================

RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============

RMAN-00571: ===========================================================

RMAN-03002: failure of show command at 06/17/2019 16:20:28

RMAN-03014: implicit resync of recovery catalog failed

RMAN-03009: failure of full resync command on default channel at 06/17/2019 16:20:28

ORA-01580: error creating control backup file /u01/app/oracle/product/11.2.0/db_1/dbs/home/oracle/snapshot.ctl

ORA-27040: file create error, unable to create file

Linux-x86_64 Error: 2: No such file or directory

Additional information: 1

RMAN> backup current controlfile;

Starting backup at 17-JUN-19

RMAN-00571: ===========================================================

RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============

RMAN-00571: ===========================================================

RMAN-03002: failure of backup command at 06/17/2019 16:21:58

RMAN-03014: implicit resync of recovery catalog failed

RMAN-03009: failure of full resync command on default channel at 06/17/2019 16:21:58

ORA-01580: error creating control backup file /u01/app/oracle/product/11.2.0/db_1/dbs/home/oracle/snapshot.ctl

ORA-27040: file create error, unable to create file

Linux-x86_64 Error: 2: No such file or directory

Additional information: 1

[oracle@DSI ~]$ rman target/  ###登录非catalog

Recovery Manager: Release 11.2.0.4.0 - Production on Mon Jun 17 16:24:46 2019

Copyright (c) 1982, 2011, Oracle and/or its affiliates.  All rights reserved.

connected to target database: ORCL (DBID=1534031567)

RMAN> configure snapshot controlfile name to '/u01/app/oracle/product/11.2.0/db_1/dbs/snapcf_orcl.f'; ###修改正确的路径，这里恢复为原来的默认路径

using target database control file instead of recovery catalog

old RMAN configuration parameters:

CONFIGURE SNAPSHOT CONTROLFILE NAME TO 'home/oracle/snapshot.ctl';

new RMAN configuration parameters:

CONFIGURE SNAPSHOT CONTROLFILE NAME TO '/u01/app/oracle/product/11.2.0/db_1/dbs/snapcf_orcl.f';

new RMAN configuration parameters are successfully stored

RMAN> exit

Recovery Manager complete.

[oracle@DSI ~]$ rman target sys/oracle@orcl catalog rcowner/oracle@orcl

Recovery Manager: Release 11.2.0.4.0 - Production on Mon Jun 17 16:25:04 2019

Copyright (c) 1982, 2011, Oracle and/or its affiliates.  All rights reserved.

connected to target database: ORCL (DBID=1534031567)

connected to recovery catalog database

RMAN> show all; ##正常

starting full resync of recovery catalog

full resync complete

RMAN configuration parameters for database with db_unique_name ORCL are:

CONFIGURE RETENTION POLICY TO RECOVERY WINDOW OF 7 DAYS;

CONFIGURE BACKUP OPTIMIZATION ON;

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_orcl.f';

RMAN>