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The Backup of an Oracle Database Fails and Error Message "ORA-27211: Failed to load Media Management Library" Is Displayed

Publication Date:  2015-07-29 Views:  56 Downloads:  0
Issue Description
A template file is created on the Oracle database server and is backed up. The backup fails and the following error message is displayed:

INF - RMAN-00571: ===========================================================
INF - RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
INF - RMAN-00571: ===========================================================
INF - RMAN-03009: failure of allocate command on ch00 channel at 02/15/2012 10:50:24
INF - ORA-19554: error allocating device, device type: SBT_TAPE, device name:
INF - ORA-27211: Failed to load Media Management Library
INF - Additional information: 2
INF - Recovery Manager complete.
INF - End of Recovery Manager output.
INF - End Oracle Recovery Manager.


Error code ORA-27211 indicates that the medium management library (provided by the NetBackup) fails to be loaded.
Handling Process
1.  Log in to the Oracle database server as the oracle user.

2.  In /usr/openv/netbackup/bin/, run ./oracle_link.

3.  Perform the backup again.
Root Cause
1.  The database link is not established.

2.  The database link is incorrect.
Suggestions
You are advised to run the oracle_link command to establish the database link to avoid any problems due to manual link establishment.

END