RAC Listener question

Hi all
I have a 2 node RAC and when I run the command lsnrctl services on node 2 I get a list of services back, but when I run the same on node 1 I get
The listener supports no services
is this normal or should I be receiving a list on both nodes?
I am basically trying to get to the bottom of why one of my databases on this RAC implementation keeps giving me a Io exception: The Network Adapter could not establish the connection in EM, but I have not managed to find an actual error number for this yet.
Thanks
Edited by: Kwisatz78 on Jul 4, 2011 8:21 AM

Hi there
I looked at that link. Both my Listener.ora files are the same, they both say the following:
LISTENER=(DESCRIPTION=(ADDRESS_LIST=(ADDRESS=(PROTOCOL=IPC)(KEY=LISTENER))))          # line added by Agent
LISTENER_SCAN3=(DESCRIPTION=(ADDRESS_LIST=(ADDRESS=(PROTOCOL=IPC)(KEY=LISTENER_SCAN3))))          # line added by Agent
LISTENER_SCAN2=(DESCRIPTION=(ADDRESS_LIST=(ADDRESS=(PROTOCOL=IPC)(KEY=LISTENER_SCAN2))))          # line added by Agent
LISTENER_SCAN1=(DESCRIPTION=(ADDRESS_LIST=(ADDRESS=(PROTOCOL=IPC)(KEY=LISTENER_SCAN1))))          # line added by Agent
ENABLE_GLOBAL_DYNAMIC_ENDPOINT_LISTENER_SCAN1=ON          # line added by Agent
ENABLE_GLOBAL_DYNAMIC_ENDPOINT_LISTENER_SCAN2=ON          # line added by Agent
ENABLE_GLOBAL_DYNAMIC_ENDPOINT_LISTENER_SCAN3=ON          # line added by Agent
ENABLE_GLOBAL_DYNAMIC_ENDPOINT_LISTENER=ON          # line added by Agent
This is strange to me and am thinking its because we are using a RAC system that the Listener.ora is like this. The thing is they are both the same anyway yet only one node is pulling back information correctly. Could the endpoints be the problem as per my post above?
Thanks

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Another RAC Listener question

Hi all
Would anyone be able to point me in the right direction as to trouble shoot the following. On one of my RAC nodes I am getting the following.
When I run: srvctl status listener
I get
PRCR-1035 : Failed to look up CRS resource for ora.listener.type
PRCR-1068 : Failed to query resources
Cannot communicate with crsd
When I run: lsnrctl services listener
I get
LSNRCTL for 64-bit Windows: Version 11.2.0.2.0 - Production on 13-JUN-2011 14:55
:00
Copyright (c) 1991, 2010, Oracle. All rights reserved.
Connecting to (ADDRESS=(PROTOCOL=tcp)(HOST=)(PORT=1521))
The listener supports no services
The command completed successfully
Thanks to anyone who can point me in the right direction.

Hi there - please see below:
Node2:
CRS-601: Internal error
RC: 11, File: clsCheckParser.cpp, Line: 907
CRS-4000: Command Check failed, or completed with errors.
CRS-4535: Cannot communicate with Cluster Ready Services
CRS-4000: Command Status failed, or completed with errors.
Node1:
CRS-4537: Cluster Ready Services is online
CRS-4529: Cluster Synchronization Services is online
CRS-4533: Event Manager is online
A Big list of reourceses appears for the status resource command for Node 1
Thanks

ODBC RAC configuration question

Hello, Im looking into doing some ODBC load balancing testing on Oracle RAC, but I thought I would ask to see if anyone knew of any potential problems before I get too involved in the setup.
Is load balancing configured more on the ODBC side? or on the RAC listener side?
Thanks,
J

Hi,
I think you don't need a Oracle RAC for this purpose. A hardware clustering might be sufficient for your purpose.
You will need an expert(expert on the OS, network, hardware and Oracle) advise but here are some inputs based on my experience on 8i in similar purpose:
-2 or more nodes interconnected to each other and both connected to a disk array
-a OS clustering software
-OS clustering is configured for a failover
-oracle is installed on both the nodes
-database is installed on disk array
-oracle service is configured for failover on the cluster
-oracle is started for automatic startup on one node
-startup is not automatic on node 2
-incase of failure, oracle instance is started on the second node by the clustering software.
HTH
Regards,
Badri.

RAC newbie question

Hi, all:
I have a question on RAC. when a application wants to connect to a instance, usually, you need to know the port, host and sid/service name. when you have a rac instance, you have multiple nodes. where is this port and host? basically, where is the listener?
i am trying to convince my org to go with RAC. One of the developers was asking how an application developer can take advantage of the RAC's failover capability. I am thinking that logically, as a developer, you do not need to worry about this kind of stuff, when the app connect to that db, the RAC should take care of the transaction failover stuff. There is nothing the developer should know or do. Then, the question goes back to how the app connect to the database, where is the listener.
thanks
jw

jw,
How is application connection to single instance server? In same way application connects to RAC instances. Now with RAC, mutlple listeners on multiple nodes will be configured to handle client connection requests for the same database services (instances, so to the end user or application it will be transparent, not knowing which node it will be getting connected to). Mutliple listener configuration will enable application to benefit from following failover and load balancing feauteres.
1. Client-side connect time load balancing
2. Client-sids connect-time falover
3. Server-side connect-time load balancing.
Now all of the above can be implemented either one by one, or in combination with each other. So if you are using connection pooling you can quickly benefit from this and distribute the client work requests accross the pool of connections available to application. (Using Oracle JDBC and .NET connection pool).
You should look example of each of the above 3 and how its done.
Here is an example of client -side connect time load balancing (tnsnames.ora), and you can find rest in oracle docs and on web
ODS =
(DESCRIPTION =
(ADDRESS_LIST =
(LOAD_BALANCE=ON)
    (ADDRESS = (PROTOCOL = TCP)(HOST = HOSTA)(PORT = 1521))
    (ADDRESS = (PROTOCOL = TCP)(HOST = HOSTB)(PORT = 1521))
   (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = ODS)
)Regards

RAC Interview Questions

Hi All
i am a newbie in RAC and wants to appear in RAC Job Interviews.
Pls give me questions which you have ever asked.
Regards
Naveen Chhibber

Hi Naveenchhibber,
I think basic tops about architecture, backup, load balance, interconnect.
I found good questions in this blog http://dbaanswers.blogspot.com/2007/06/sroracle-dba-racdatagaurd-interview.html
Regards,
Rodrigo Mufalani
http://mufalani.blogspot.com

Easy ORACLE RAC 11g question....

Hi everyone.....
Im new at this .... I've setup using VMware a 2 node cluster that works fine... 11g
Im planning to move our production database that is currently 10g ...
Heres the question... Is it possible to run a 10g instance on 11g RAC... without an upgrade??
Its 11g compatible to run 10g instances?

Your instance is mapped with oracle database. You installed oracle software first then create a database.
If you upgrade your database to 11g then your instance will be 11g. Instance is oracle memory structure and background processes. Actually we upgrade oracle binaries and oracle database.
Regards
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Oracle RAC listener password protection

Dear Gurus,
We have 2 node RAC setup 11gR2 and as a part of hardening we wish to set password for listener.
Can some one please guide how can we set password on listener that registered with CRS. What would be the impact if any?
Also, there are two things with which should be noted.
1) We are not using SCAN feature.
2) Listener created should be owned by oracle user but all listener are getting started by Grid.
Node 1 -
ps -ef | grep -i tns
root 125 2 0 Oct30 ? 00:00:00 [netns]
ora11g 35141 73510 0 12:50 pts/0 00:00:00 grep -i tns
grid 41763 1 0 Nov04 ? 00:00:05 /u01/app/11.2.0/grid/bin/tnslsnr LISTENER -inherit
grid 49634 1 0 Nov04 ? 00:00:05 /u01/app/ora11g/product/11.2.0/db_1/bin/tnslsnr LISTENER_REMCORP1 -inherit
Node 2 -
ps -ef | grep -i tnsroot 125 2 0 Oct30 ? 00:00:00 [netns]
ora11g 33783 33742 0 12:50 pts/1 00:00:00 grep -i tns
grid 49817 1 0 Nov04 ? 00:00:05 /u01/app/11.2.0/grid/bin/tnslsnr LISTENER -inherit
grid 56446 1 0 Nov04 ? 00:00:05 /u01/app/ora11g/product/11.2.0/db_1/bin/tnslsnr LISTENER_REMCORP2 -inherit
Regards,
Nikhil Mehta.
Edited by: 905267 on Nov 6, 2012 1:13 AM

Thanks for your reply Vlethakula.
When firing command from GRID/ASM home, it says service not available where as status is available from oracle home. While stopping listener from oracle home it gives TNS-01190 error.
remedy-ebu-db1*+ASM1:/home/grid>lsnrctl
LSNRCTL for Linux: Version 11.2.0.3.0 - Production on 06-NOV-2012 18:20:00
Copyright (c) 1991, 2011, Oracle. All rights reserved.
Welcome to LSNRCTL, type "help" for information.
LSNRCTL> set current_listener LISTENER_REMCORP1
Current Listener is LISTENER_REMCORP1
LSNRCTL> stop LISTENER_REMCORP1
TNS-01101: Could not find service name
LSNRCTL> stop LISTENER_REMCORP1
TNS-01101: Could not find service name
LSNRCTL> status
TNS-01101: Could not find service name
LSNRCTL> exit
remedy-ebu-db1*+ASM1:/home/grid>su - ora11
su: user ora11 does not exist
remedy-ebu-db1*+ASM1:/home/grid>su - ora11g
Password:
remedy-ebu-db1*REMCORP1:/home/ora11g>lsnrctl
LSNRCTL for Linux: Version 11.2.0.3.0 - Production on 07-NOV-2012 09:18:52
Copyright (c) 1991, 2011, Oracle. All rights reserved.
Welcome to LSNRCTL, type "help" for information.
LSNRCTL> set current_listener LISTENER_REMCORP1
Current Listener is LISTENER_REMCORP1
LSNRCTL> status
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=remedy-vip-ebu-db1)(PORT=1526)(IP=FIRST)))
STATUS of the LISTENER
Alias LISTENER_REMCORP1
Version TNSLSNR for Linux: Version 11.2.0.3.0 - Production
Start Date 04-NOV-2012 14:56:49
Uptime 2 days 18 hr. 22 min. 17 sec
Trace Level off
Security ON: Local OS Authentication
SNMP OFF
Listener Parameter File /u01/app/ora11g/product/11.2.0/db_1/network/admin/listener.ora
Listener Log File /u01/app/ora11g/product/11.2.0/db_1/log/diag/tnslsnr/remedy-ebu-db1/listener_remcorp1/alert/log.xml
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=121.244.255.54)(PORT=1526)))
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=121.244.255.50)(PORT=1526)))
Services Summary...
Service "REMCORP" has 2 instance(s).
Instance "REMCORP1", status READY, has 1 handler(s) for this service...
Instance "REMCORP2", status READY, has 1 handler(s) for this service...
Service "REMCORPXDB" has 2 instance(s).
Instance "REMCORP1", status READY, has 1 handler(s) for this service...
Instance "REMCORP2", status READY, has 1 handler(s) for this service...
The command completed successfully
LSNRCTL> stop
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=remedy-vip-ebu-db1)(PORT=1526)(IP=FIRST)))
TNS-01190: The user is not authorized to execute the requested listener command
LSNRCTL>
Regards,
Nikhil Mehta.

Advice on Oracle RAC Listener Set up

Hi Forum
I am installing two databases on a 2 node RAC environment.
We have the SCAN setup which is listening on port 1521
I want the two databases I create to have seperate listener ports
i.e.
database1 to listen on port 1531
database2 to listen on port 1532
We are using GRID 11.2.0.3 and same for databases
Is there a best practice / process that I can follow to do this?
Thanks in advance.

The best practice is to have common SCAN listener (since it already have redundancy) and you are free to choose local port for each database or share the same port (default configuration). You can always change the ports even after default installation so nothing to worry here. Just make sure to decide on SCAN early before giving out to users since anything after SCAN is transparent to users but SCAN port must be advised in advance.
Regards
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Configuring our RAC environment Questions

The environment consists of Sun Solaris 10, Veritas, and 10g RAC:
Questions:
I need to know the settings and configuration of the entire software stack that will be the foundation of the oracle RAC environment....Network configurations, settings and requirements for any networks including the rac network between servers
How to set up the solaris 10k structures: what goes into the global zones, the containers, the resource groups, RBAC roles, SMF configuration, schedulers?
Can we use zfs, and if so, what configuration, and what settings?
In addition, these questions I need answers to:
What I am looking for is:
-- special hardware configuration issues, in particular the server rac interconnect. Do we need a hub, switch or crossover cables configured how.
-- Operating System versions and configuration. If it is Solaris 10, then there are more specific requirements: how to handle smf, containers, kernel settings, IPMP, NTP, RBAC, SSH, etc.
-- Disk layout on SAN, including a design for growth several years out: what are the file systems with the most contention, most use, command tag depth issues etc. (can send my questionnaire)
-- Configuration settings\ best practices for Foundation suite for RAC and Volume manager
-- How to test and Tune the Foundation suite settings for thru-put optimization. I can provide stats from the server and the san, but how do we coordinate that with the database.
-- How to test RAC failover -- what items will be monitored for failover that need to be considered from the server perspective.
-- How to test data guard failures and failover -- does system administration have to be prepared to help out at all?
-- How to configure Netbackup --- backups

Answering all these questions accurately and correctly for you implementation might be a bit much for a forum posting.
First I'd recommend accessing the Oracle documentation on otn.oracle.com. This should get you the basics about what is supported for the environment your looking to set up, and go a long way to answering your detailed questions.
Then I'd break this down into smaller sets of specific questions and try and get the RAC axters on the RAC forum to help out.
See: Community Discussion Forums » Grid Computing » Real Application Clusters
Finally Oracle Support via Metalink should be able to fill in any gaps int he documentation.
Good luck on your project,
Tony

10g listener question

Hi
All,
First question
When I do some minor modification in tnsnames.ora. Do I Need to stop and start listener again.
Second question
And If I want to stop and start listener Do I need to stop all the databases before I can stop and start listener ? (9i and 10g)
Thanks,
Vishal

When I do some minor modification in tnsnames.ora. Do I Need to stop and start listener again.No, tnsnames.ora is totally independant to the listener.
And If I want to stop and start listener Do I need to stop all the databases before I can stop and start listener ? (9i and 10g)No, the listener is used only to connect new client to the server, once the connection is done, listener is not used anymore for that connection.
Note you can reload instead of stop and start the listener.
Micolas.

Oracle 10gR2 RAC - ASM question

Hi
I have a question regarding the ASM storage. Let says I have a system here running Oracle 10gR2 RAC and would like to add a new/extend the current DATA disk group with more disk space. How do I do that? will it affect the existing data stored inside there?

So to add a little more to the discussion. Let's say your storage administrator presents you a LUN and is nice enough to add a partition of say 7G. (/dev/sdo1).
Now you need to take /dev/sdo1 stamp it and alter your storage group.
For illustration purposes I shall use rac1 and rac2 as my dual instance RAC and add to the asm group ARCH.
As root on rac1
/etc/init.d/oracleasm createdisk ARCH2 /dev/sdo1
then run
/etc/init.d/oracleasm listdisks
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On rac2 you run
/etc/init.d/oracleasm listdisks
You don't see ARCH2 so then run
/etc/init.d/oracleasm scandisks
then
/etc/init.d/oracleasm listdisks
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Ok the asm stamps are in sync now.
Back to rac1
su - oracle
set ORACLE_SID to asm instance and use sqlplus
sqlplus / as sysasm
If you query V$ASM_DISK you will see your disk with a header_status of PROVISIONED
that's good ...
NOw while still in sqlplus
Let's bump up the asm_power_limit so rebalancing runs faster
alter system set asm_power_limit=5 scope=both ;
If your asm instance are sharing the same spfile you only need do this on one instance; otherwise run the command both on all asm instances.
Lastly
ALTER DISKGROUP ARCH ADD DISK 'ORCL:ARCH2' ;
Now you can query V$ASM_OPERATION and watch ASM do it's magic of rebalancing.
That's it. All done while the DB is up and running.
How does that work for you?
-JR jr

11g R1 Rac Installation Question

Hi Experts
I hoppe you can help me:
I have a production database, the manager ask me to take the test Server to make an Oracle RAC with the Production Server.
Can I Install the RAC 11g R1 only in one Server (test server) ? and then include the Second Server (production)
Wich is the best way to do this ?
Thank you in advance
J.A.

Based on what you've posted take management out behind the woodshed for some serious re-education. It is likely you can not do RAC on your current hardware. Is is highly probable you should not.
Here are some questions to determine what you should/should not do.
1. What is your shared storage solution? The possible answers are NetApp NFS, SAN with RAW or ASM, a clustered file system such as OCFS2.
2. What is your cache fusion interconnection solution? Will your NIC cards and switches support jumbo frames?
3. What operating system? If Windows I'd recommend not going forward even though it is supported.
If this is your first time trying to build a RAC cluster I would advise not doing it with a single server and thinking you are going to magically add a second server later. Doing it this way is not a good exercise for someone doing this for the first time.
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Oracle RAC listener password

Hi Guys,
We have 2 node RAC setup oracle 10g(10.2.0.4) and we wish to set password on listener which registered with CRS.
Can some one please guide how can we set password on listenet thts registered with CRS.
What would be the impact if any....
Help is appreciated.
Regards,
Milan

http://docs.oracle.com/cd/B19306_01/network.102/b14213/lsnrctl.htm#CIHEFEDH
just fyi,from 10g by default we have
lsnrctl status
Alias                     LISTENER
Version                   TNSLSNR for Solaris: Version 11.2.0.3.0 - Production
Start Date                29-MAR-2012 12:11:31
Uptime                    5 days 0 hr. 46 min. 19 sec
Trace Level               off
Security                  ON: Local OS Authentication     <<--------------see this
SNMP                      OFF

Oralce 10g RAC listener

I installed Oracle 10g R2 RAC on RHEL4(U4), the RAC nodes work fine, but after I restart all nodes, I found the listener was listening on 0.0.0.0(1521), instead of the vip and local IP.
tcp 0 0 0.0.0.0:1521 0.0.0.0:* LISTEN 17043/tnslsnr
Before reboot, it is like: (2.147 is the vip)
tcp 0 0 172.16.2.145:1521 0.0.0.0:* LISTEN 18449/tnslsnr
tcp 0 0 172.16.2.147:1521 0.0.0.0:* LISTEN 18449/tnslsnr
My listener parameter file is like:
LISTENER_RH4RAC01 =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = rh4rac01-vip.mydomain.com)(PORT = 1521))
(ADDRESS = (PROTOCOL = TCP)(HOST = 172.16.2.145)(PORT = 1521))
I tried restarting the listener by "lsnrctl stop" and "lsnrctl start", but nothing changed on the listner status.
What is the problem? I don't like it listening on 0.0.0.0. How can I fix?
-------------------------lsnrctl status output----------
$ ./lsnrctl status
LSNRCTL for Linux: Version 10.2.0.1.0 - Production on 20-NOV-2006 09:26:16
Copyright (c) 1991, 2005, Oracle. All rights reserved.
Connecting to (ADDRESS=(PROTOCOL=tcp)(HOST=)(PORT=1521))
STATUS of the LISTENER
Alias LISTENER
Version TNSLSNR for Linux: Version 10.2.0.1.0 - Production
Start Date 20-NOV-2006 09:07:31
Uptime 0 days 0 hr. 18 min. 44 sec
Trace Level off
Security ON: Local OS Authentication
SNMP OFF
Listener Parameter File /u01/app/oracle/product/10.2.0/db_1/network/admin/listener.ora
Listener Log File /u01/app/oracle/product/10.2.0/db_1/network/log/listener.log
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=rh4rac01.mydomain.com)(PORT=1521)))
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Instance "+ASM1", status BLOCKED, has 1 handler(s) for this service...
Service "+ASM_XPT" has 1 instance(s).
Instance "+ASM1", status BLOCKED, has 1 handler(s) for this service...
Service "ctrm" has 1 instance(s).
Instance "ctrm1", status READY, has 2 handler(s) for this service...
Service "ctrmXDB" has 1 instance(s).
Instance "ctrm1", status READY, has 1 handler(s) for this service...
Service "ctrm_XPT" has 1 instance(s).
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The command completed successfully
[[email protected] /u01/app/oracle/product/10.2.0/db_1/bin]

Recently i have the same problem on RAC installed on 2 box Linux Redhat 4, when i start the listener on second node recived the error en resource, the vip address of second node it was loaded on first node, you should check the correct address on all nodes.
You must do the following steps:
1.- Stop all databases(instances) on all nodes.
srvctl stop instace -d database-name -i instance-name
2.- Stop if you use ASM instances
srvctl stop asm -n node-name
3.- Stop clusters services(as user root)
csrctl stop
4.- Check IP addess all nodes and configure with correct values
ifconfig -a
5.- Start Clusters services on all nodes.
csrctl start
wait five minutes for start background process
6.- Start listeners on all nodes
srvctl start listener -n node-name
7.- Start ASM instances on all nodes
srvctl start asm -n node-name
8.- Start database instances on all nodes.
srvctl start database -d database-name -i instance name.
Have a good day.

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I am researching the best way to implement an Oracle9i RAC system that uses IBM p690 servers running AIX 5.2 with an IBM SAN disk solution (FAStT900).
My first question is, if you have implemented RAC on AIX, are you using raw disks or a cluster file system (CFS)?
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Ciao
Daniel

the oracle version is 9.2.0.5.0
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RAC Listener question

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