Before the Database Instance is started, you can verify if DNFS (Direct NFS) is enabled (“ON”) or disabled (“OFF”) as follows: (Doc ID 1551909.1)
1) When DNFS is not linked with the Oracle kernel, the next command will report the “ODM ERR: Calling stubbed version” error example:
[oracle@asmlnx1 lib]$ make -f ins_rdbms.mk dnfs_off
rm -f /u01/app/oracle/product/11.2.0/dbhome_1/lib/libodm11.so; cp /u01/app/oracle/product/11.2.0/dbhome_1/rdbms/lib/libodm11.so.dummy /u01/app/oracle/product/11.2.0/dbhome_1/lib/libodm11.so
[oracle@asmlnx1 lib]$
[oracle@asmlnx1 lib]$ strings /u01/app/oracle/product/11.2.0/dbhome_1/lib/libodm11.so | grep -i odm
odm_deregisternic
odm_registernic
odm_destroy
……………..
odm_discover
ODM ERR: Calling stubbed version
Stubbed ODM Library, Version: 1.0
2) But if DNFS is linked with the Oracle kernel, then the “ODM ERR: Calling stubbed version” error will not be reported, example:
[oracle@asmlnx1 lib]$ make -f ins_rdbms.mk dnfs_on
rm -f /u01/app/oracle/product/11.2.0/dbhome_1/lib/libodm11.so; cp /u01/app/oracle/product/11.2.0/dbhome_1/lib/libnfsodm11.so /u01/app/oracle/product/11.2.0/dbhome_1/lib/libodm11.so
[oracle@asmlnx1 lib]$
[oracle@asmlnx1 lib]$
[oracle@asmlnx1 lib]$ strings /u01/app/oracle/product/11.2.0/dbhome_1/lib/libodm11.so | grep -i odm
kgodm_deregisternic
……………………….
kgodm event %u set to level %u
