RMAN-00569: ERROR MESSAGE STACK FOLLOWS RMAN-00571: RMAN-03002: failure of backup command at 10/09/2017 15:14:51ORA-19554: error allocating device, device type: SBT_TAPE, device name:ORA-27211: Failed to load Media Management LibraryAdditional information:

Cause:

Backup failed with media management layer error from rman. This error is due to non linkage of netbackup binary.

RMAN-00569: ERROR MESSAGE STACK FOLLOWS RMAN-00571: 
RMAN-03002: failure of backup command at 10/09/2017 15:14:51
ORA-19554: error allocating device, device type: SBT_TAPE, device name:
ORA-27211: Failed to load Media Management LibraryAdditional information:

Workaround:

Link the binaries from netbackup folder to library of oracle home folder

Check for permissions on the OH lib folder



[oracle@orcl19x lib]$ cd $ORACLE_HOME\lib


[oracle@orcl19x lib]$ ls -lrt *libobk*
ls: cannot access *libobk*: No such file or directory


[oracle@orcl19x lib]$ relink all


[oracle@orcl19x lib]$ ln -s /usr/openv/netbackup/bin/libobk.so64 libobk.so

[oracle@orcl19x lib]$ ls -lrt *libobk*
lrwxrwxrwx 1 oracle oinstall 36 May 20 21:00 libobk.so -> /usr/openv/netbackup/bin/libobk.so64

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