Ora 12514 error trying to connect to oracle database. This book is a master piece on oracle 11g rac by mr. Ora12514 from dgmgrl switchover database james huang. Oracle database 11g release 2 rac on oracle linux 5. Since its a common dba task to provide high availability of databases, data guard is a mustknow topic for every oracle database administrator. If you are working in an oracle rac environment, you may want to repeat steps 1 and 2. When listener does not know of service requested in connect ora12514. This book includes scripts and tools to hypercharge oracle 11g performance and. Problem gettting oa 12514 from client after fresh installation of 11gr2 rac on oel5. Ora 12514 on data guard switchover oracle database tips by donald burleson november 21, 2015 question. Ora12514 when using a database link a database link is just like a client which is trying to connect the remote database.
As a seasoned professional, you are probably aware of the importance of understanding the technical. Scan listener in oracle racapril 20, 2018in oracle rac. Another oracle database is coming to the cloud with the general availability of oracle nosql database cloud service as the demand. The architecture of oracle 11g rac oracle tips by burleson consulting. By syed jaffar hussain, tariq farooq, riyaj shamsudeen, kai yu. In my case it has two nodes, i try to connect to node no. Make sure that the crs is up and running and nodeapps and asm instances are up and running on all the nodes in cluster. Changing the clients tnsnames entry as follows solved the problem. Understood that while the the listener contains fully qualified domain name as service name, tnsnames. The connect descriptor received by the listener specified a service name for a service usually a database service that either. Oracle grid book rac clusters dba book rampant books. Dataguard error with ora12514 solutions experts exchange. Troubleshooting the installation and setup oracle docs.
Problem gettting oa12514 from client after fresh installation of 11gr2 rac on oel5. In a production environment, shared storage is often provided by a. After setting up a taf service in one of my rac environments i checked if the local listener that was configured for the database was showing the services as to be expected. This works for any oracle database except when the specific database is a rac. I very highly recommend this book for every oracle dba dealing with rac. So, follow the steps mentioned in my previous mail, it may help you out. Oracle 11g listener fails with ora12514 and ora12505.
Cause service name mismatch between listener and tnsnames. Pro oracle database 11g rac on linux experts voice in. I was actually moved enough to post a leave a responsea response. Revealing the secrets for quickly implementing and tuning oracle rac database systems, this book covers all areas of oracle real application clusters including oracle10g new features. Oracle data guard 11g r2 beginners administration guide is a practical guide that provides all the information you will need to configure and maintain data guard. Creating 11g r1 rac database on asm install 12c rac. Oracle hcm cloud concepts part 1 colored ebook dbaascli listener start.
The issue was turned out to be not so complicated finally so i will not mention too many details of it. Mariadb skysql enables cloudnative database as a service mariadb brings back an old name for its cloudnative databaseasaservice platform. Configuring the oracle data guard physical standby database chapter 3. Covering all areas of oracle grid computing, this book is indispensable for any oracle dba who is charged with configuring and implementing oracle grid with server blades. The connect descriptor received by the listener specified in addition to the service name an instance name for an instance usually a database instance. Oracle grid and rac is the firstofitskind reference for oracle grid computing. Verify that the connection string and user name are valid. The preventive action to ora12514 in an incomplete switchover is to add a very special static service in listener. Oracle data guard 11gr2 administration oracle blog. This book includes scripts and tools to hypercharge oracle 11g performance and you can buy it for 30% off directly from the publisher. Ora12514 with real application cluster if this is your first visit, be sure to check out the faq by clicking the link above. Ora12514 on data guard switchover burleson consulting.
Cluster database home page in enterprise manager 12c cloud control fails to display re. The book has illustrated every step in dealing with oracle rac, right from installation, managing, performance tuning and trouble shooting. Pro oracle database 11g rac on linux provides fulllifecycle guidance on implementing oracle real application clusters in a linux environment. This was caused by informaticaoracle jdbc driveroracleora12514 connection refused, the specified. Ora 01034 oracle not available its likely that your database instances are down. Local os authentication snmp off listener parameter file oracle app. Expert oracle rac 12c is a handson book helping you understand and implement oracle real application clusters rac, and to reduce the totalcostofownership tco of a rac database. Listener, ora12505, ora12514, oracle, tns12505, tns12514 related posts ora12505 tns12505 tns. How you would configure the database and listener will depend on which version of oracle and what sort of architecture standalone, standalone with grid infrastructure, or rac that you are using. Several days ago i helped to fix one ora12520 issue in rac database, and from this issue i learned that special care should be taken when the listener. Ora12514 error trying to connect to oracle database. This oracle documentation was created as a support and oracle training reference for use by.
Oracle rac databases are flexible and robust, and along with this flexibility comes complexity, making rac tuning one of the most challenging areas of oracle tuning. Listener issues ora12505tns12505 or ora12514tns12514. This oracle documentation was created as a support and oracle training reference for use by our dba performance tuning consulting professionals. With all my pleasure im glad to announce my friends book oracle data guard 11gr2 administration beginners guide. Please let me know if the port 1521 is default port for the tnslinstener.
Connections to scan listeners consistently fail with. No tns listener the sql command prompt that came with oracle xe would work but none of the other tools like toad, sql plus or even the oracle xe database homepage which would open in a browser window would work. Two days before while starting our uat database using srvctl, i received following error. I can manually start the failover instance, but how do i get my instance to restart automatically after a switchover. Home oracle database online documentation library, 11g release 2 11. Guenadi jilevski is a senior oracle professional ocp 7, 8, 8i, 9i, 10g, 11g, 12c oce 10gr2 rac, oce oracle rac 11gr2 and grid infrastructure administrator, oracle exadata 11g certified implementation specialist,oracle goldengate 10g11g certified implementation specialist and ocm 9i, ocm 11g with more than 20 years of industrial experience in high end oracle technology starting with. The listener received a request to establish a connection to a database or other service. Solution after investigation lsnrctl services output for listeners.
Oracle database 11g oracle real application clusters. The connect descriptor received by the listener specified. Troubleshooting a warehouse builder installation oracle docs. This document explains the step by step process of creating oracle 11g r1 rac database using asm storage option. Archive log shipping from primary to standby fails with ora12514. All you need to know about disaster recovery technique youll find at these pages. I actually do have 2 questions for you if you usually do not mind.
I have setup a primary 11g database which successfully ships and applies logs to a single standby on the same server as expected. I run an instance of oracle 11g locally on my development machine and can connect to the local instance directly via sqlplus. I have a database server on port 1527 how can i make the clients connect on this port or can i have one listener service connect to listen for 2 servers. Standby fails to automatically start up due to unknown service ora12514. In general you are better off using a service name if that is an option.
This is the book for anybody who want to learn oracle 11g rac. Changing the clients tnsnames entry as follows solved the. Oracle rac errors and issues guest author i try to summarize here some of the errors and its solutions i got while running a oracle 10g r2 real application cluster rac install on vmware linux install. This book is the first of its kind, a book dedicated to tuning the oracle high availability rac architecture.
Ora01034 oracle not available its likely that your database instances are down. Please complete the following steps to finish switchover. Connections to scan listeners consistently fail with an ora12520 or ora12516 error. Ora12514 on data guard switchover oracle database tips by donald burleson november 21, 2015 question.
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