Data Pump Export error - network mounted path

Question

Hi,
Please have a look at the data pump error i am getting while doing export. I am running on version 11g . Please help with your feedback..
I am getting error due to Network mounted path for directory OverLoad it works fine with local path. i have given full permissions on network path and utl_file able to create files but datapump fail with below error messages.
Oracle 11g
Solaris 10
Getting below error :
ERROR at line 1:
ORA-39001: invalid argument value
ORA-06512: at "SYS.DBMS_SYS_ERROR", line 79
ORA-06512: at "SYS.DBMS_DATAPUMP", line 3444
ORA-06512: at "SYS.DBMS_DATAPUMP", line 3693
ORA-06512: at line 64
DECLARE
p_part_name VARCHAR2(30);
p_msg VARCHAR2(512);
v_ret_period NUMBER;
v_arch_location VARCHAR2(512);
v_arch_directory VARCHAR2(20);
v_rec_count NUMBER;
v_partition_dumpfile VARCHAR2(35);
v_partition_dumplog VARCHAR2(35);
v_part_date VARCHAR2(30);
p_partition_name VARCHAR2(30);
v_partition_arch_location VARCHAR2(512);
h1 NUMBER; -- Data Pump job handle
job_state VARCHAR2(30); -- To keep track of job state
le ku$_LogEntry; -- For WIP and error messages
js ku$_JobStatus; -- The job status from get_status
jd ku$_JobDesc; -- The job description from get_status
sts ku$_Status; -- The status object returned by get_status
ind NUMBER; -- Loop index
percent_done NUMBER; -- Percentage of job complete
--check dump file exist on directory
l_file utl_file.file_type;   
l_file_name varchar2(20);
l_exists boolean;
l_length number;
l_blksize number;
BEGIN
p_part_name:='P2010110800';
p_partition_name := upper(p_part_name);
v_partition_dumpfile :=  chr(39)||p_partition_name||chr(39);
v_partition_dumplog  :=  p_partition_name || '.LOG';
     SELECT COUNT(*) INTO v_rec_count FROM HDB.PARTITION_BACKUP_MASTER WHERE PARTITION_ARCHIVAL_STATUS='Y';
         IF v_rec_count != 0 THEN
           SELECT
           PARTITION_ARCHIVAL_PERIOD
           ,PARTITION_ARCHIVAL_LOCATION
           ,PARTITION_ARCHIVAL_DIRECTORY
           INTO v_ret_period , v_arch_location , v_arch_directory
           FROM HDB.PARTITION_BACKUP_MASTER WHERE PARTITION_ARCHIVAL_STATUS='Y';
         END IF;
     utl_file.fgetattr('ORALOAD', l_file_name, l_exists, l_length, l_blksize);      
        IF (l_exists) THEN        
         utl_file.FRENAME('ORALOAD', l_file_name, 'ORALOAD', p_partition_name ||'_'|| to_char(systimestamp,'YYYYMMDDHH24MISS') ||'.DMP', TRUE);
     END IF;
    v_part_date := replace(p_partition_name,'P');
        DBMS_OUTPUT.PUT_LINE('inside');
    h1 := dbms_datapump.open (operation => 'EXPORT',
                              job_mode  => 'TABLE'
          dbms_datapump.add_file (handle    => h1,
                                  filename  => p_partition_name ||'.DMP',
                                  directory => v_arch_directory,
                                  filetype  => DBMS_DATAPUMP.KU$_FILE_TYPE_DUMP_FILE);
          dbms_datapump.add_file (handle    => h1,
                                  filename  => p_partition_name||'.LOG',
                                  directory => v_arch_directory,
                                  filetype  => DBMS_DATAPUMP.KU$_FILE_TYPE_LOG_FILE);
          dbms_datapump.metadata_filter (handle => h1,
                                         name   => 'SCHEMA_EXPR',
                                         value  => 'IN (''HDB'')');
          dbms_datapump.metadata_filter (handle => h1,
                                         name   => 'NAME_EXPR',
                                         value  => 'IN (''SUBSCRIBER_EVENT'')');
          dbms_datapump.data_filter (handle      => h1,
                                     name        => 'PARTITION_LIST',
                                    value       => v_partition_dumpfile,
                                    table_name  => 'SUBSCRIBER_EVENT',
                                    schema_name => 'HDB');
          dbms_datapump.set_parameter(handle => h1, name => 'COMPRESSION', value => 'ALL');
          dbms_datapump.start_job (handle => h1);
              dbms_datapump.detach (handle => h1);              
END;
/

Answer 1

Hi ,
I tried to generate dump with expdp instead of API, got more specific error logs.
but on same path log file got create.
expdp hdb/hdb DUMPFILE=P2010110800.dmp DIRECTORY=ORALOAD TABLES=(SUBSCRIBER_EVENT:P2010110800) logfile=P2010110800.log
Export: Release 11.2.0.1.0 - Production on Wed Nov 10 01:26:13 2010
Copyright (c) 1982, 2009, Oracle and/or its affiliates.  All rights reserved.
Connected to: Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - 64bit Production
With the Partitioning, Automatic Storage Management, 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 "/nfs_path/lims/backup/hdb/datapump/P2010110800.dmp"
ORA-27054: NFS file system where the file is created or resides is not mounted with correct options
Additional information: 3Edited by: Sachin B on Nov 9, 2010 10:33 PM