You need to statically register the auxiliary database in the listener. To tackle the problem, we need to let rman know the actual database unique name by mounting the database. Specifies the network name of an address or address list of the oracle net listeners with which the dispatchers will register. Ora32000 not able to modify the rdbms spfile which is. Oracle database how to create pfile or spfile using the current. Backup spfile, controlfile and database on original database. The oracle instance reads the parameter file during startup which are then used to control the behavior of database instance and many other aspects as well. Until the next time we had to use create spfile the nightmare got back again. Hello facedba, thank you for such a wonderful detailed explanation. If you are using oracle 9i, spfile inplace of init.
Unknown means that the instance is registered statically in the listener. When you set a new value to any parameter using alter system. Step by step configure oracle 12c data guard far sync. The spfile has a parameter set which is not allowing the database instance to start.
With shared server, many user processes connect to a dispatcher. In one case it happened during a test, in the other case it happened during a live fallback after the data guard broker has interfered with the upgrade causing real trouble. When an asm alias is created in asm storage, it is created as a link to a real asm file with fully qualified system name. Mount database continue reading rman database restore from asm to file. Recently, i have had conversations with users about oracle database 12c. Just under 12 months to get round to finishing it off.
Here i am giving steps for create a new database using rman backup pieces in different servers and directory location. Once you shutdown and bringup the database, your new values are lost, because, when you start database, values are read from init. Im speaking at oracle day in azerbaijan 2015 anar godjaev, senior oracle dba. Ora it gives path of spfile file which is getting used by database for starting up. This chapter describes how to configure dispatcher. Put back the dispatchers parameter in the spfile with scopeboth, and youre done. Oracle startup initialization parameters morgans library. Oracles traditional method of storing parameters in the init. Push backup filespfile to target server on target server 4. Configures dispatcher processes in the shared server architecture. Suppose that the database instance name is osmdr in the database instance when trying to create a new spfile from a pfile under sqlplus.
A blog about database administrator,pl sql,sql,oracle tutorial,sql programming,oracle certification path,oracle certification. How to create new database using rman backup pieces. To overcome his limitation oracle has come up with a new feature called the spfile server parameter file. No autobackup found or specified handle is not a valid copy. The dispatcher directs multiple incoming network session requests to a. Since version 9i, oracle has been promoting using it more as compared to the traditional parameter files.
Autosuggest helps you quickly narrow down your search results by suggesting possible matches as you type. This can be very beneficial for those that wish to store their spfile in a centralized location, such as a san. Is it a bug dedicated to oracle 10g rac bug 5370663. One question that often comes up is, how does the database manage the parameters between a container database cdb and a pluggable database pdb. In this article we are going to see step by step configure oracle 12c data guard far sync standby database an oracle data guard far sync instance is a remote oracle data guard destination that accepts redo from the primary database and then ships that redo to other members of the oracle data guard configuration. These entries can be used to created a valid spfile. The spfile has a parameter set which is not allowing the database instance to start using the spfile. The comment parameter optional specifies a user remark. Find answers to create an spfile from a pfile fails when using asm from the expert community at experts exchange. Whilst finishing it off i noted the dates in the output generated when i was first doing this. Rman database restore from asm to file system bright dba. Rman database restore from asm nonrac to file system nonrac 0.
The spfile can be thought of as a control file that is used by oracle to store the initialization parameters. Some parameters appear in both the generic database parameter table. Lrm00109 followed by ora01078 when using pfile created by spfile. The parameter settings used to start the instance can be located from the alert. Oracle 11g introduced the new feature to duplicate the database from active database. This is the default behaviour if an spfile was used at startup. If you have a valid pfile then you will not need to perform step 1 of the following process. To see whether a pfile opf spfile was used at startup time, the first place to check is the alert log, especially of the startup command contains the pfile or spfile clause. For example, if you specify 3 dispatcher configurations in the initialization parameter file, you would modify the third dispatcher configuration by specifying index2 in the alter system statement. Rman backup and recover to other server dbsaviour blog. In order to answer this question, i had to work with my pluggable database setup in a test environment.
But this might cause negative performance impact for source database while duplicating the database. This is useful if you have bad parameters in your spfile and want to recover an older cleaner copy spfile point in time recovery, now how about that list backup of spfile. To create a new database with rman backup we call it as rman cloning. When controlfile autobackup is set to on, and only when it is set to on, then rman will make additional copies of the controlfile and spfile to the autobackup directory inside the fra.
Oracle net listener is a separate process that runs on the database server. Mount database continue reading rman database restore rac rac. How to recreate the spfile for rac instances where the spfile is. The value ranges from 0 for the first dispatcher configuration to one less than the total number of dispatcher configurations you define. Spfile system parameter file and also known as server parameter file is used at the time of the database startup. Ora32000 not able to modify the rdbms spfile which is there in asm doc id 1498307. Ora file has given way to a more robust method the server parameter file spfile. To perform the rman duplicate using active database on two node rac database from asm to asm on the same hosts,the target database and the auxiliary database need to be defined. Parameter file is a text or binary to store the database initialization parameters.
The name of the pfile or spfile is written to the alert. If you use the same database name for the standby and primary, you will have to delete the database from the standby db system by using the dbcli deletedatabase command before you can run the dbcli createdatabase command described below. The spfile has a parameter set which is not allowing the database instance to start using. The tables in this section represent the database, rac, and data guard parameter file values. L eventually we decided to give up this solution and we are using spfile in a regular file system. Active database 12c duplication with rman january 7, 2017 backupbased oracle 11g database duplication tested on oracle 11. Db has not been restarted then why the spfile read it is showing because as per my understanding it shows.
A far sync instance manages a control file, receives redo into. The backup database command will include the spfile and controlfile. This attribute specifies the appropriate listeners with which the dispatchers will register. Restore oracle database rac to rac asm with creating. Learn how to use the oracle cloud infrastructure database command line interface to.
And these of course to the previous release unknown parameters prevent database mountstartup. The shared server architecture enables a database server to allow many user processes to share very few server processes, so the number of users that can be supported is increased. If you want to make it permanent, change the value in init. Not able to modify the spfile with alter system command.
Creating far sync instance step by step oracle dba place. Hi team, i have seen alert log it is showing message like this. Learn what truly works in converting and maintaining your parameters without ever having to use an editor again. Configuring and administering oracle net listener oracle docs. In cases when an unknown clientside pfile is used, the alert log indicates this as. But i just wanted to confirm and verify below things. It uses static registration, and thats the reason that you see status as unknown service. How to recreate the spfile for rac instances where the. Demos, syntax, and example code of oracle database startup initialization parameters.