Rman-04006:error from auxiliary database

oracle11g RAC + DG build process, the duplicate times error in the standby library is as follows:

[[Email protected]:/u01/app/oracle/11.2/db_1/dbs] $rman  target sys/[email protected]   auxiliary sys/[email protected] nocatalogRecovery Manager: Release  11.2.0.4.0 - production on fri abc 21 17:33:01 xxxxcopyright  (c)  1982, 2011, Oracle and/or its affiliates.  All rights  reserved.connected to target database: racdb  (dbid=938466123) using target  database control file instead of recovery catalogconnected to  auxiliary database  (not started) rman> duplicate target database for  standby from active database nofilenamecheck; starting duplicate db at xxxx-xx-21 17:33:04rman-00571: ======================== ===================================rman-00569: =============== error message stack follows ===============rman-00571: ================================== =========================rman-03002: failure of duplicate db command at xx/ 21/xxxx 17:33:05rman-05501: aborting duplication of target databaserman-06403:  could not obtain a fully authorized sessionRMAN-04006: error  From auxiliary database: ora-01034: oracle not availableora-27101: shared  memory realm does not existLinux-x86_64 Error: 2: No such  File or directoryrman> exit

Pass

Rman-04006:error from auxiliary database:ora-01034:oracle not available

Ora-27101:shared Memory Realm does not existlinux-x86_64 Error:2: No such file or directory

As can be seen, due to the failure of the connection database, we found that before the database through Rman connection, the repository has been booted into the Nomount state, but when the

Rman> duplicate target database for standby from active database Nofilenamecheck;

, the repository is not known for what reason down, check the alert log, found that it is indeed on the Rman connection, after the standby library Nomount boot, the database has been shutdown immediate operation, re-boot the database to Nomount state, startup Nomount. Proceed again

Duplicate

Not reported the same error

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Rman-04006:error from auxiliary database