RMAN-00554: initialization of internal recovery manager package failed-RMAN-12001: could not open channel default-RMAN-10008: could not create channel context-RMAN-10002: ORACLE error: ORA-15021: parameter “remote_dependencies_mode” is not valid in asm instance-RMAN-10006: error running SQL statement: alter session set remote_dependencies_mode = signature

Cause:

You currently set GRID env and launch RMAN

[oracle@exdbadm01 ~]$ rman target /

Recovery Manager: Release 11.2.0.4.0 - Production on Thu Jun 17 00:18:22 2021

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

RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-00554: initialization of internal recovery manager package failed
RMAN-12001: could not open channel default
RMAN-10008: could not create channel context
RMAN-10002: ORACLE error: ORA-15021: parameter "remote_dependencies_mode" is not valid in asm instance
RMAN-10006: error running SQL statement: alter session set remote_dependencies_mode = signature

Workaround:

Set RDBMS env on SID

[oracle@exdbadm01 ~]$ . oraenv
ORACLE_SID = [+ASM1] ? exdbx
The Oracle base has been changed from /u01/app/oracle to /data/base

[oracle@exdbadm01 ~]$ rman target /

Recovery Manager: Release 11.2.0.4.0 - Production on Thu Jun 17 00:20:52 2021

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

connected to target database (not started)

RMAN>

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