ORA-27211 error after 11.2.0.4 Database upgrade
1 .Below error
was shown in the RMAN error log while
running the backup
ORA-19554: error allocating device, device type: SBT_TAPE, device name:
ORA-27211: Failed to load Media Management Library
2. The error was due to libobk.so soft link which was missing in new
Oracle Home, Please create the soft link using specified steps below as per
Metalink ID 1395024.1
[oratest@test]$ cd $ORACLE_HOME/lib
[oratest@test]$ ls -ltr
/usr/openv/netbackup/bin/libobk.so64
-r-xr-xr-x 1 root daemon 1403655 Mar 17
2012 /usr/openv/netbackup/bin/libobk.so64
[oratest@test]$ ls -ltr libobk.so
ls: libobk.so: No such file or directory
[oratest@test]$ ln -s /usr/openv/netbackup/bin/libobk.so64 libobk.so
[oratest@test]$ ls -ltr libobk.so
lrwxrwxrwx 1 oratest dba 36 Aug 15 09:55 libobk.so ->
/usr/openv/netbackup/bin/libobk.so64
3.
Run the archive backup again which will complete successfully now.
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