RE: Where does sqlnet.ora live
Date: Thu, 17 Sep 2009 16:41:01 +0200
According to Metalink document 464410.1 the sequence is the next:
Search order for the sqlnet.ora
- The directory specified by the TNS_ADMIN environment variable, if set .
- The $ORACLE_HOME/network/admin directory.
Search order for the cman.ora, listener.ora, and tnsnames.ora
- The directory specified by the TNS_ADMIN environment variable, if set.
- One of the following directories: On Solaris: /var/opt/oracle On other platforms: /etc
- The $ORACLE_HOME/network/admin directory
Herald ten Dam
Van: oracle-l-bounce_at_freelists.org [oracle-l-bounce_at_freelists.org] namens Goulet, Richard [Richard.Goulet_at_parexel.com] Verzonden: donderdag 17 september 2009 16:31 Aan: oracle-l
Onderwerp: Where does sqlnet.ora live
This is a post for a friend who at the moment does not have posting privileges. Steve could I kindly ask you to check on that fact for me?? Thanks.
Senior Oracle DBA/NA Team Lead
900 Chelmsford St, Suite 310
Lowell, MA 01821
SUBJECT: Default Search Hiearchy for Oracle EMAIL ADDRESS: george.rusnak.ctr_at_deca.mil
Please, I need some help/clarification.
What is the default search hierarchy for Oracle to locate the sqlnet.ora
file and the tnsnames.ora file(s)?
I found an Oracle doc that stated:
By default, Oracle Net configuration files are sought and resolved from the following locations:
1 TNS_ADMIN environment variable (incl. Windows Registry Key)
2 /etc or /var/opt/oracle (Unix)
3 $ORACLE_HOME/network/admin (Unix)
4 %ORACLE_HOME%/Network/Admin or %ORACLE_HOME%/Net80/Admin (Windows)
truss tnsping 'sqlplus opsdba/xxxxxxxx_at_pcrpi' 2>&1 | grep sqlnet.ora access("/opt/oracle/product/10.2.A/network/admin/sqlnet.ora", F_OK) ERR#2 ENOENT
access("/opt/oracle/product/10.2.A/network/admin/sqlnet.ora", F_OK) ERR#2 ENOENT I do not have an sqlnet.ora file at this location, so the error message is correct but I do have a sqlnet.ora in /etc yet it did not find it.
ls -lai /etc/sqlnet.ora
-rw-r--r-- 1 oracle dba 1049 Sep 10 2008 /etc/sqlnet.ora
truss tnsping 'sqlplus opsdba/xxxxxxx_at_pcrpi' 2>&1 | grep tnsnames.ora access("/home/rusnakga/.tnsnames.ora", F_OK) ERR#2 ENOENT
open("/etc/tnsnames.ora", O_RDONLY|O_LARGEFILE, 0666)
I do not have a .tnsnames.ora in my home directory so, I can understand
that error and it continued its search.
I do not have a tnsnames.ora in $ORACLE_HOME but no indication Oracle looked there.
I do have a tnsnames.ora in /etc and it found it.
TNS_ADMIN was not set.
So, what is the search order for sqlnet.ora and tnsnames.ora?? How can I verify the search it goes through?
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Phone: 804.734.8000 ex. 48210
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