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Direct NFS failed to work in Windows (Doc ID 2401009.1)

Last updated on AUGUST 04, 2018

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.4 and later
Microsoft Windows x64 (64-bit)

Symptoms

After enabled DNFS in Windows, DNFS does not work. 
create tablespace will fail, and no DNFS channels information in alert log.

SQL> create tablespace dnfstest datafile 'x:\dnfstest.dbf' size 10m;
create tablespace dnfstest datafile 'x:\dnfstest.dbf' size 10m
*
ERROR at line 1:
ORA-01119: error in creating database file 'x:\dnfstest.dbf'
ORA-27040: file create error, unable to create file
OSD-04002: unable to open file
O/S-Error: (OS 3) The system cannot find the path specified. 

alert log:

Oracle instance running with ODM: Oracle Direct NFS ODM Library Version 3.0
Wed May 16 19:57:47 2018
PMON started with pid=2, OS id=5788
......
Thu May 17 12:55:12 2018
create tablespace dnfstest datafile 'x:\dnfstest.dbf' size 10m
Errors in file C:\APP\diag\rdbms\dnfs2\dnfs2\trace\dnfs2_ora_4992.trc:
ORA-01119: error in creating database file 'x:\dnfstest.dbf'
ORA-27040: file create error, unable to create file
OSD-04002: unable to open file
O/S-Error: (OS 3) The system cannot find the path specified.
ORA-1119 signalled during: create tablespace dnfstest datafile 'x:\dnfstest.dbf' size 10m... 

 

Changes

 

Cause

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