SQLNET.ORA setting

Hi!
Our application shows an error message(not an ora-). We assume that the sessions are limited in time. In our
SQLNET.ORA (client-side) we have set SQLNET.EXPIRE_TIME=10.
Setting this to the default value 0 would mean that the session will not expire?
Thanks for your feedback!

user545194 wrote:
DB-Server: Oracle RAC 10.2.0.5 on Linux (64-bit) - sqlnet.expire_time not set here
Clients: Oracle 10.2.0.5 Client on Windows XP and 7 - sqlnet.expire_time=10
Application error message: (10020=RC_NO_ROW_TOUCHED).Since it is not an oracle message, the only way you'll now what throws that error is to get with the app developer. But just guessing from the text of the message -- if that is what the app throws for a timed-out session, the app developer needs to be . . . retrained.

Similar Messages

Sqlnet.ora doesn't seem to be read since oci8 1.3.4

Hello,
I used to use oci8 version 1.2.3 and I wanted to update to last version (1.3.4). Everything works fine except the fact that "sqlnet.ora" does not seems to be read anymore.
I use the following string to describe my database in oci_connect: "MEN1PRD".
In sqlnet.ora there is the parameter NAMES.DEFAULT_DOMAIN which is set to "WORLD".
In the tnsname.ora I have a full definition for "MEN1PRD.WORLD".
With oci8 1.2.3, it worked but since I upgraded to 1.3.4 this is not the case anymore. I have to use the same ID in oci_connect and tnsname.org. The sqlnet.ora NAMES.DEFAULT_DOMAIN does not seem to be used anymore.
The version of php (5.2.3) is still the same, the configure options are the sames, the oracle lib is the same (9.2) and the php.ini parameters are the same too. I just changed the oci8 version.
Has anyone the same problem ? Is this a normal behaviour ? If yes, why
and is there a workaround ?
Thanks for your answers.
++ Jerome
Reproduce code:
Piece of code which used to work (version 1.2.3) and doesn't work
anymore (version 1.3.4):
$conn = oci_connect('EDUCATION', 'manager', 'MEN1PRD');
Piece of code which works (version 1.3.4):
$conn = oci_connect('EDUCATION', 'manager', 'MEN1PRD.WORLD');
Content of sqlnet.ora (which is in the same directory as tnsname.ora):
NAMES.DIRECTORY_PATH= (TNSNAMES, ONAMES, HOSTNAME)
NAMES.DEFAULT_DOMAIN = WORLD
LOG_DIRECTORY_SERVER = /var/tmp
Contenat of tnsname.ora
MEN1PRD_RAC =
( DESCRIPTION =
( ADDRESS = ( PROTOCOL = TCP )( HOST = host1 )( PORT = 1521 ) )
( ADDRESS = ( PROTOCOL = TCP )( HOST = host2 )( PORT = 1521 ) )
( LOAD_BALANCE = yes )
( CONNECT_DATA =
( SERVER = DEDICATED )
( SERVICE_NAME = SN_MEN1PRD )
Init script:
export ORACLE_HOME=/usr/local/oracle/VERSIONS/Linux/CL.9.2.0
PATH=$PATH:$ORACLE_HOME/bin:$ORACLE_HOME/network/admin:$ORACLE_HOME/lib:/usr/local/bin
export ORACLE_SID=MEN1PRD
export HOSTNAME=`hostname`
export NLS_LANG=FRENCH_FRANCE.WE8ISO8859P15
export LC_ALL=fr_FR
export LANG=fr_FR
Expected result:
The connexion is made to the database
Actual result:
[Mon Feb 16 18:05:14 2009] [error] [client 127.0.0.1] PHP Warning:
oci_connect() [function.oci-connect]:
ORA-12154: TNS:could not resolve service name in /var/www/docs/test1.php
on line 2

See http://pecl.php.net/bugs/bug.php?id=15988 It's a problem with 9.2 - 10.2.0.3, fixed in 10.2.0.4
Discussions about best solution is ongoing; currently centering around not using session pooling code path in PHP OCI8 when using Oracle prior to 11.

How to supply wallet location to OCI client for SSL connection other than sqlnet.ora

I have a oracle 11g database server and I am connecting to it through OCI client in OBIEE Admin tool. This is working fine, but now the requirement is we need to connect to an SSL enabled database.
For this I had to update the sqlnet.ora under $ORACLE_HOME/network/admin in OBIEE installation and specify the wallet location where I placed the wallet containing appropriate certificates.
The above is working fine for me. But due to certain restrictions, we cannot create this sqlnet.ora. Is there a way we can pass this wallet location through some environment variables so that sqlnet.ora is not required?
If we create a jdbc connection, we can specify the wallet location through jdbc connection properties. Is there any such equivalent for OCI based connection. I dont mind how we make the wallet location available to OCI client, so long as I dont have to create a sqlnet.ora.
Any pointers is greatly appreciated

Hi,
sqlnet.ora file is required if you want to set the wallet location to another directory by using the WALLET_LOCATION parameter.
If you do not want to use sqlnet.ora then you need to use the default wallet location.
The wallet is placed, by default, in $ORACLE_BASE/admin/<global_db_name>/wallet.
If this directory does not exist or ORACLE_BASE is not set, the default location is: $ORACLE_HOME/admin/<global_db_name>/wallet
Regards,
Ravi

Sqlnet.ora file 11.5.10.2

Hi,
I always disabled or commented the 2 lines sqlnet.ora file to accept all database connections...
tcp.validnode_checking=yes
tcp.invited_nodes=
I commented the above lines in sqlnet.ora file and bounced the listener..now i am able to connect to the database...
When ever I run the autoconfig in database tier..... these 2 lines are going to be uncommented...
how we can do this for permenant for checking the above 2 lines sqlnet.ora file..
do we need to add any custom context variables in Context file..if it is so..how can we do it..please help me in this regard....

tcp.validnode_checking=yes
tcp.invited_nodes= <list your applications tier nodes here>
These actually ARE recommended in Production. Basically what you're saying by setting these is that the SQL*Net Listener for the database will ONLY talk to these known hosts. This prevents some random person from connecting directly to your database from a PC somewhere.
The downside here is that if you have a large number of users who use a client-side tool (like ADI or Discoverer), then you'll have to list their IP addresses here. This can be quite difficult in a DHCP-enabled environment.
The way autoconfig works, it basically replaces any autoconfig managed files whenever it runs (which is why your customizations get clobbered).
So, in situations where there isn't a context variable that you can update, you'll have to make a custom template.
When autoconfig runs, it checks first for the existence of the custom template (and validates that it isn't based on an older version than the currently installed one) and will use that instead of the delivered one.
Simple way to do a custom template:
1) Identify the template being used (Database tier, it'll be under $ORACLE_HOME/appsutil somewhere... Apps tier it's generally under $AD_TOP/admin/template or $FND_TOP/admin/template).
2) Create a "custom" directory under the "template" directory where your template lives.
3) Copy that template into the "custom" directory.
4) Edit this copy.
-- James

Tnsnames.ora, sqlnet.ora & listener.ora files are not exit

DB version: 10.2
Hello All,
I just joined the project and notice tnsnames.ora, sqlnet.ora & listener.ora files are not exit under $ORACLE_HOME/network/admin.
But still we can connect to the database,
From command prompt or via enterprise manager studio from client site.
Any idea?
OR
what is the best way to create above files in the existing database?
DN

tnsnames.ora and sqlnet.ora are client side files, listener.ora and sqlnet.ora are server side files.
Listener.ora need not exist if using defaults and dynamic registration of services. It may be possible to cope without all those files, depending on the environment.
Is the database on the local or remote computer and how are you connecting (from sqlplus)?
Maybe you have a tnsnames.ora somwhere else? (Try using find command) Maybe TNS_ADMIN is set?

The importance of SQLnet.ora file

DB version:10gR2
I have seen databases where SQLnet.ora file is absent or an SQLnet.ora file with most of the entries commented out like
NAMES.DIRECTORY_PATH= (TNSNAMES, EZCONNECT)
#SQLNET.EXPIRE_TIME=700
# New parameter for 10.2
#SQLNET_INBOUND_CONNECT_TIMEOUT=120I have two questions
1. If you were asked to set the parameters for SQLNET.ora file for an OLTP database, what would your settings be?
2. Is it absolutely necessary to have an SQLNET.ora file in a 'production quality' Database?
Edited by: Citizen_2 on Feb 18, 2009 2:59 AM
Corrected the spelling of SQLnet.ora in subject line

Hi,
SQLNET.ORA can be used for different purposes,
first to identify the method to connect from client like tnsnames
Second it can be used to bypass the network layer by setting the parameter automatic_ipc=on
Third, we can set to check the client whether its active after certain interval.
If sqlnet.ora is not there, then it will take the default values.
Thanks
santhanam

Not able to find sqlnet.ora

Hello,
I am unable to find my sqlnet.ora in the network directory. I have to set SQLNET.EXPIRES parameter, but dont have that file in location.
even i do a echo $TNS_ADMIN i am not getting anything. no path.
Oracle 10.2.0.3
Sun Solaris 10.
Thanks
aps

Follow the steps:
1) cd $ORACLE_HOME/network/admin
2) do ls to confirm that listener.ora, tnsnames.ora and (maybe) sqlnet.ora exist there
3) do pwd to ensure that you are in correct place
4) if sqlnet.ora doesn't exist do vi sqlnet.ora
5) put there anything you need e.g.
SQLNET.AUTHENTICATION_SERVICES= (NTS)
NAMES.DIRECTORY_PATH= (TNSNAMES, EZCONNECT)
SQLNET.EXPIRE=10
Here you have sample configuration files:
http://www.cs.umbc.edu/help/oracle8/network.815/a67440/appb.htm
Cheers,
Jarek

Oracle11gr2 RAC 设置sqlnet.ora限制IP登录数据库

背景：由于最近需要进行数据库加固，需要设置限制IP登录数据库的参数
如下3个参数：
#To enable and disable valid node checking for incoming connections. If this parameter is set to yes, then incoming connections are allowed only if they originate from a node that conforms to list specified by TCP.INVITED_NODES or TCP.EXCLUDED_NODES parameters.
tcp.validnode_checking = yes
#To specify which clients are allowed access to the database.
tcp.invited_nodes = (192.168.0.*,192.168.10.*,192.168.20.*,192.168.30.*,192.168.40.*,10.201.39.*,10.201.29.*)
#To specify which clients are denied access to the database
tcp.excluded_nodes = (*)
生产环境：solaris10+oracle11gr2 RAC 3个节点
测试环境：oracle linux 5.8 oracle 11gr2 RAC 2个节点
经过：
1.本人在测试环境单实例测试这三个参数限制IP没有问题
2.本人在测试环境RAC环境测试这三个参数限制IP，存在以下问题
两个节点A，B，然后在节点B上设置SQLNET.ORA里面这3个参数，监听重启
(1)只要挂在这个测试节点上面的服务全部报错ORA-12514
(2)从另外两个节点使用EZCONNECT 连接也是报错ORA-12514
请教在RAC上面设置这3个参数的影响?

192.168.0.,192.168.10.,192.168.20.,192.168.30.,192.168.40.,10.201.39.,10.201.29.*
这些是什么IP?
RAC本身的Ip是哪些？
cat /etc/hosts

JDBC, Oracle and sqlnet.ora

Our DBA's have recently decided to play musical ports with our database servers. They keep changing the ports to our Oracle database servers without telling us first. They're justification in not telling us is that we should be using the name server specified in the sqlnet.ora config.
Is it possible to use a name server with JDBC to determine the DSN info? I can't seem to find much info on it.

That is a lousy predicament. I think you may be able
to work around it if you use the oci8 driver. See for
details:
http://download-west.oracle.com/otndoc/oracle9i/901_doc
java.901/a90211/connpoca.htm#1071294Yep, looks like oracle.jdbc.pool.OracleDataSource has support for it. Here's the OCI driver's javadoc:
public void setTNSEntryName(java.lang.String dbname)
Set the TNS entry name. Works only for JDBC OCI driver. Assumed that client side Oracle in installed and TNS_ADMIN env variable is set. If URL is set, this property will be ignored.
I swore I must have read this javadoc like 10 times before. Maybe I read the thin client one by mistake. shrug

Dead conection detection and sqlnet.ora

Hello,
I´m having some doubts regarding the sqlnet.ora.
I´m configuring the sqlnet.expire_time=10 parameter in sqlnet.ora, restarted the listener and then I connected via a web conection and turned off my computer (client connection)
Sometimes in 18 or 20 minutes the connection closes, sometimes it remains connected for hours. I turned the trace on and I see a message that the net service read the sqlnet.expire_time = 10 parameter.
What could be wrong ? Anybody here had this kind of problems configuring dead conections detection ?
Another doubt. How can I set a inactivity time ? for example , if the user don´t make a query in 30 minutes he´s disconected... I already tried it configuring in Enterprise manager but it also failed.
SQLNET.EXPIRE_TIME
Purpose:
Determines time interval to send a probe to verify the session is alive
Default: None
Minimum Value: 0 minutes
Recommended Value: 10 minutes
Example:
sqlnet.expire_time=10
Thank you in advance,
Felipe

looking at the trace files we can see that the expire time is configured to 5 minutes . But making tests (like disconecting the net cable) I see a user conected and the 20 after 20 minutes it still conected ...
--- TRACE CONFIGURATION INFORMATION FOLLOWS ---
[13-SEP-2005 13:58:50:591] New trace stream is /oracle/db/9.2.0.4/network/admin/trace/svr_22551.trc
[13-SEP-2005 13:58:50:591] New trace level is 6
[13-SEP-2005 13:58:50:591] --- TRACE CONFIGURATION INFORMATION ENDS ---
[13-SEP-2005 13:58:50:591]
--- PARAMETER SOURCE INFORMATION FOLLOWS ---
[13-SEP-2005 13:58:50:591] Attempted load of system pfile source /oracle/db/9.2.0.4/network/admin/sqlnet.ora
[13-SEP-2005 13:58:50:591] Parameter source loaded successfully
[13-SEP-2005 13:58:50:591]
[13-SEP-2005 13:58:50:591] -> PARAMETER TABLE LOAD RESULTS FOLLOW <-
[13-SEP-2005 13:58:50:591] Successful parameter table load
[13-SEP-2005 13:58:50:591] -> PARAMETER TABLE HAS THE FOLLOWING CONTENTS <-
[13-SEP-2005 13:58:50:591] SQLNET.EXPIRE_TIME = 5
[13-SEP-2005 13:58:50:591] TRACE_DIRECTORY_SERVER = /oracle/db/9.2.0.4/network/admin/trace
[13-SEP-2005 13:58:50:591] SQLNET.ENCRYPTION_TYPES_SERVER = (RC4_128)
[13-SEP-2005 13:58:50:591] SSL_CIPHER_SUITES = (SSL_RSA_EXPORT_WITH_DES40_CBC_SHA, SSL_RSA_EXPORT_WITH_RC4_4
0_MD5)
[13-SEP-2005 13:58:50:592] SQLNET.ENCRYPTION_TYPES_CLIENT = (RC4_128)
[13-SEP-2005 13:58:50:592] WALLET_LOCATION = (SOURCE = (METHOD = FILE) (METHOD_DATA = (DIRECTORY = /oracle/d
b/9.2.0.4/network/admin)))
[13-SEP-2005 13:58:50:592] TRACE_LEVEL_SERVER = admin
[13-SEP-2005 13:58:50:592] NAMES.DIRECTORY_PATH = (TNSNAMES, ONAMES, HOSTNAME)
[13-SEP-2005 13:58:50:592] sqlnet.crypto_seed = fewkpfrepgomrepogmropegjerpogjpejvvmmrpm
[13-SEP-2005 13:58:50:592] SQLNET.CRYPTO_CHECKSUM_TYPES_CLIENT = (MD5)
[13-SEP-2005 13:58:50:592] SQLNET.CRYPTO_CHECKSUM_TYPES_SERVER = (MD5)
[13-SEP-2005 13:58:50:592] SSL_VERSION = 3.0
[13-SEP-2005 13:58:50:592] SQLNET.CRYPTO_CHECKSUM_SERVER = accepted
[13-SEP-2005 13:58:50:592] SQLNET.ENCRYPTION_CLIENT = accepted
[13-SEP-2005 13:58:50:592] SSL_CLIENT_AUTHENTICATION = TRUE
[13-SEP-2005 13:58:50:592] NAMES.DEFAULT_DOMAIN = sids.mg.gov.br
[13-SEP-2005 13:58:50:592] --- PARAMETER SOURCE INFORMATION ENDS ---
[13-SEP-2005 13:58:50:592]
--- LOG CONFIGURATION INFORMATION FOLLOWS ---
[13-SEP-2005 13:58:50:592] Log stream will be "/oracle/db/9.2.0.4/network/log/sqlnet.log"
[13-SEP-2005 13:58:50:592] Log stream validation not requested
[13-SEP-2005 13:58:50:592] --- LOG CONFIGURATION INFORMATION ENDS ---
If anybody here experienced this same problem please let me know..

Where the init.ora , tnsnames.ora, listener.ora, sqlnet.ora

If client-side and server-side software are located in different machines, basically, init.ora and listener.ora are located in the server-side, and tnsnames.ora and sqlnet.ora are located in the client-side, am I right?

The confusion comes because, as stated earlier by Sanjay, a server could also be a client...
Here a very simple example on one and only one Windows machine with the same user :
---here it is a connection as from client
E:\apps\oracle\ora1110PE\NETWORK\ADMIN>tnsping demo111p
TNS Ping Utility for 32-bit Windows: Version 11.1.0.7.0 - Production on 21-JUN-2009 09:36:38
Copyright (c) 1997, 2008, Oracle. All rights reserved.
Used parameter files:
Used TNSNAMES adapter to resolve the alias
Attempting to contact (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = phoenix)(PORT = 1521)) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = DEMO111P)))
OK (10 msec)
E:\apps\oracle\ora1110PE\NETWORK\ADMIN>sqlplus scott/demo111@demo111p
SQL*Plus: Release 11.1.0.7.0 - Production on Sun Jun 21 09:27:02 2009
Copyright (c) 1982, 2008, Oracle. All rights reserved.
Connected to:
Personal Oracle Database 11g Release 11.1.0.7.0 - Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
SQL> quit
Disconnected from Personal Oracle Database 11g Release 11.1.0.7.0 - Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
--- we remove the sqlnet.ora
E:\apps\oracle\ora1110PE\NETWORK\ADMIN>rename sqlnet.ora _sqlnet.ora
---here it is a connection as from client
E:\apps\oracle\ora1110PE\NETWORK\ADMIN>tnsping demo111p
TNS Ping Utility for 32-bit Windows: Version 11.1.0.7.0 - Production on 21-JUN-2009 09:37:30
Copyright (c) 1997, 2008, Oracle. All rights reserved.
Used parameter files:
TNS-03505: Failed to resolve name
E:\apps\oracle\ora1110PE\NETWORK\ADMIN>sqlplus scott/demo111@demo111p
SQL*Plus: Release 11.1.0.7.0 - Production on Sun Jun 21 09:27:11 2009
Copyright (c) 1982, 2008, Oracle. All rights reserved.
ERROR:
ORA-12154: TNS:could not resolve the connect identifier specified
Enter user-name:
---here it is a connection as from server, still working, in that case it does not use tnsnames/sqlnet
E:\apps\oracle\ora1110PE\NETWORK\ADMIN>set ORACLE_SID=demo111p
E:\apps\oracle\ora1110PE\NETWORK\ADMIN>sqlplus scott/demo111
SQL*Plus: Release 11.1.0.7.0 - Production on Sun Jun 21 09:27:37 2009
Copyright (c) 1982, 2008, Oracle. All rights reserved.
Connected to:
Personal Oracle Database 11g Release 11.1.0.7.0 - Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
SQL>So, we are on server, the behaviour change depending what we are connecting with (client or server method).
Nicolas.

Sqlnet.ora ADRCI entries

Hello All,
I am using Oracle 11g R2. (11.2.0.3)
My application team are requesting to add the below entries in the sqlnet.ora file of the oracle client not server:
DIAG_ADR_ENABLED=FALSE
DIAG_DDE_ENABLED=FALSE
DIAG_SIGHANDLER_ENABLED=FALSE
Does that impact my database in any way ? what disadvantages it has?
Regards,

When the DIAG_ADR_ENABLED parameter is set to OFF, non-ADR file tracing is used.
http://docs.oracle.com/cd/B28359_01/network.111/b28317/sqlnet.htm#BIIHGAED
1- If you don’t find Oracle Net flies in the directories where you expect those just set DIAG_ADR_ENABLED=OFF parameter in the relative sqlnet.ora file.
Oracle will create the trace files depending on type Client/Server in the following directories:
Client – OS Home dir/oradiag_os username/diag/clients/user_oradb/host_number/trace/
RDBMS – ORACLE_BASE/diag/rdbms/db_name/instance_name/trace/
Source:http://www.pythian.com/news/tag/diag_adr_enabled/
2.Controlling ADR Creation and Disabling Fault Diagnosability Using sqlnet.ora
http://docs.oracle.com/cd/B28359_01/appdev.111/b28395/oci10new.htm#CHDCIAHJ
When I saw this link then here bit confusion regarding DIAG_ADR_ENABLED=FALSE or DIAG_ADR_ENABLED=off.
Anyway, but I think there should not be any impact my database. They are just trace, dump files which an incident (an occurrence of a problem) on the OCI client is captured without user intervention in the form of diagnostic data: dump files or core dump files.
Regards
Girish Sharma

Sqlnet.ora trace files getting generated even after turning off tracing

Hi,
I have recently added the following parameters to the sqlnet.ora file.
TRACE_LEVEL_SERVER=16
TRACE_FILE_SERVER=SERVER
TRACE_DIRECTORY_SERVER=/ftpland/trace
TRACE_TIMESTAMP_SERVER=on
Even after removing these enteries from the sqlnet.ora I still see the trave files being generated.
#####enable tracing###################
#Trace_level_server=0
#Trace_filelen_server=1000
#Trace_fileno_server=1
#Trace_timestamp_server=on
#Trace_directory_server=/opt/oracle/product/10.2.0/network/trace
#Diag_adr_enabled=off
AUTOMATIC_IPC = ON
TRACE_LEVEL_CLIENT = OFF
SQLNET.EXPIRE_TIME = 10
NAMES.DEFAULT_DOMAIN = bsca.eds.com
NAME.DEFAULT_ZONE = bsca.eds.com
SQLNET.CRYPTO_SEED = "232166927-1713903352"
NAMES.DIRECTORY_PATH = (ONAMES,TNSNAMES)
NAMES.PREFERRED_SERVERS =
      (ADDRESS_LIST =
        (ADDRESS =
          (COMMUNITY = TCP.bsca.eds.com)
          (PROTOCOL = TCP)
          (Host = oraclenames1.bsca.eds.com)
          (Port = 1575)
        (ADDRESS =
          (COMMUNITY = TCP.bsca.eds.com)
          (PROTOCOL = TCP)
          (Host = oraclenames2.bsca.eds.com)
          (Port = 1575)
NAME.PREFERRED_SERVERS =
      (ADDRESS_LIST =
        (ADDRESS =
          (COMMUNITY = TCP.bsca.eds.com)
          (PROTOCOL = TCP)
          (Host = oraclenames1.bsca.eds.com)
          (Port = 1575)
(ADDRESS =
          (COMMUNITY = TCP.bsca.eds.com)
          (PROTOCOL = TCP)
          (Host = oraclenames2.bsca.eds.com)
          (Port = 1575)
BEQUEATH_DETACH=YES
Regards,
VN

SID_LIST_LISTENER =
(SID_LIST =
    (SID_DESC =
      (GLOBAL_DBNAME =ROSDMP.bsca.eds.com)
      (ORACLE_HOME = /opt/oracle/product/10.2.0)
      (SID_NAME = ROSDMP)
TRACE_LEVEL_LISTENER=16
I believe, this is the reason, you are seeing trace files even after disabling it in sqlnet.ora

Windows 2000 run "emctl start subagent" errinfo " can find sqlnet.ora"

system info
windows 2000 server sp4
Oracle Enterprise Manager 10g Grid Control
Win32_Grid_Control_agent_download_10_2_0_3_0
C:\OracleHomes\agent10g\BIN>emctl start subagent
Running sub agent .....stopped
find info in emsubagent.nohup
NL-00462: error loading parameter file C:\OracleHomes\agent10g\network\admin\sqlnet.ora
NL-00405: cannot open parameter file
SNL-00821: Message 821 not found; No message file for product=NETWORK, facility=SNL
32-bit Windows Error: 2: No such file o

Hi,
Did you manage to run the subagent?
I try to send SNMP trap.
bash-2.05$ /home/oracle/agent10g/network/snmp/peer # ulimit -n 1024
bash-2.05$ /home/oracle/agent10g/network/snmp/peer # ./start_peer -a
Starting master_peer ...
./master_peer CONFIG.master NOV >master_peer.out 2>&1 &
Done!
Starting encap_peer ...
./encap_peer -t 1162 -s 1160 -c CONFIG.encap >encap_peer.out 2>&1 &
Done!
Starting /usr/sbin/snmpd ...
/usr/sbin/snmpd -c snmpd.conf udp:1161 >snmpd.out 2>&1 &
Done!
bash-2.05$ agent10g/bin> ulimit -n 1024
And I changed targets.xml.
But...
bash-2.05$ ./emctl start subagent
Oracle Enterprise Manager 10g Release 4 Grid Control 10.2.0.4.0.
Copyright (c) 1996, 2007 Oracle Corporation. All rights reserved.
Starting sub agent .....started
bash-2.05$ ./emctl status subagent
Oracle Enterprise Manager 10g Release 4 Grid Control 10.2.0.4.0.
Copyright (c) 1996, 2007 Oracle Corporation. All rights reserved.
Sub agent is not running..
Edited by: user3648527 on 20.01.2011 23:35

Questions on sqlnet.ora, listener.ora files in RAC environment.

Experts,
I've some confusion with below files in RAC environment.
sqlnet.ora
listener.ora
These files are available in two locations: <GRID_HOME> & <DB_HOME>.
My questions:
1. Why do we have two versions of files ?
2. When I query lsnrctl status from BOTH the homes, it says it is using listener.ora from <GRID_HOME> as shown below.
Listener Parameter File D:\app\11.2.0\grid\network\admin\listener.ora
3. What is the use of files which are in <DB_Home>
4. If you make some changes to listener using "Netmgr" tool, we expect it will update listener.ora in <GRID_HOME>. Interestingly, it is changing the contents of listener.ora in <DB_HOME> .
Can anyone please clarify it ?
Thanks in advance.

859875 wrote:
1. Why do we have two versions of files ? In the past, the CRS s/w did not include ASM (ASM did not provide support for cluster voting and registration disks). Thus the networking components such as SQL*Net and the Listener were not part of the CRS installation.
With Grid Infrastructure, ASM supports cluster voting and registration disks and is recommended to be used for that (as oppose to the old style of raw disks or using an external cluster-based cooked file system like <i>ocfs</i>). And with ASM comes the SQL*Net networking layer and s/w (such as the Listener). As ASM ships with Grid Infrastructure, it now also includes the same networking layer as what the RDBMS installation will. Thus both <GRID_HOME> and <DB_HOME> will contain the same networking components.
However, only a single Listener is for example needed. And that can only run from a single base location. So for operational use, only one version will be actively in use.

SQLNET.ORA setting

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