ORA-27054: NFS file system where the file is created or resides is not mounted with correct options

After we did NFS mount with proper options and gave the correct permission we still getting below error:

mount -o hard,rw,noac,rsize=32768,wsize=32768,suid,proto=tcp,vers=3 nim_server1:/mksysb /mksysb

chmod -R 777 /mksysb/dumps

Error:

server614[/mksysb/dumps]>> expdp powercard/pcard1 DIRECTORY=BACKUP DUMPFILE=expdp_prod_offline.dmp  parfile=11_3_parfile_offline_tables.txt  LOGFILE=expdp_prod_offline.log CONTENT=DATA_ONLY

Export: Release 10.2.0.4.0 - 64bit Production on Wednesday, 05 November, 2014 13:47:58

Copyright (c) 2003, 2007, Oracle.  All rights reserved.

Connected to: Oracle Database 10g Enterprise Edition Release 10.2.0.4.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
ORA-39001: invalid argument value
ORA-39000: bad dump file specification
ORA-31641: unable to create dump file "/mksysb/dumps/expdp_prod_offline_.dmp"
ORA-27054: NFS file system where the file is created or resides is not mounted with correct options
Additional information: 6

Issue resolved by issue below command:

ALTER SYSTEM SET EVENTS ‘10298 trace name context forever, level 32′;