Rman Restore Ora-00210 Cannot Open The Specified Control File

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You may encounter an error stating that rman restore ora-00210 cannot open the specified control file. There are several ways to solve this problem, and we will discuss them a little later.

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RMAN

File recovery and control

Because, in addition to media errors, shutdown files can also be lost. Refactoring data files and log files. This section will be compared with others. Scenarios for losing control over files, not to mention ease of recovery Procedure.

Recovering from loss of control file in the mirror Copy available

rman restore ora-00210 cannot open the specified control file

It is always advisable to have backups of control documents. Oracle recommends having at least three versions of the control. Serve under any circumstance. It is recommended to multiplex controller types from files. various physical disks, which in case of irrecoverable loss of any of them, Music errors can be recovered from other physical hard drives.

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Note that more than three copies can be made, but still here, more is better? is not the same. If Multiple downloads of the control file are more likely to occur.Oila and the database is currently performing a huge amount of control data updates will result in an event waiting for a parallel control file write and possibly some control file queues become dependent when a conflict occurs. It’s like it is always best to use the number of copies you are looking for is sufficient. If more Since the copies of the control files are not older than nine years, The following error will occur:

rman restore ora-00210 cannot open the specified control file

ORA-00208: The number of file names changed exceeds the limit of 8

If only one copy of my mirror files is currently lost, then there is do much less. See what happens in the following scenarios with our resident DBA Bob:

Due to a media error, Bob has lost one of the specific control files Database and received the following error:

ERROR on line 1:
ORA-00210: hard to open specifiedcontrol file
ORA-00202: control file: ‘/u02/oradata/db1/control01.ctl’
ORA-27041: cannot open file directly
Linux error: 2: no such file or directory
Additional facts and methods: 3

Because Bob multiplexed the control files to another hard drive readers, it does the following:

Disables the data source (in cancel mode)
Copies the used control file to the directory containing the main file. The file was lost and renamed.
Start database.

If the database is already active, close it immediately. without calling the control room.

SQL> close cancel ;

Copy one of the available monitoring clips to the location where a lost file is required. Make sure the resting area is not damaged, and use an industrial engineering level team for that.

$ cp /u01/oradata/db1/control02.ctl/u02/oradata/db1/control01.ctl

Since the file has already been copied, only the instance is counted start opening the main database.

SQL> start

It is also possible that the art of living and offering is multiplexed here. Tax files and your business just lost N, not one control file but hidden location of the missing control The file can also be damaged. If so, the exact file cannot be viewed. be returned to the same location. Existing copy of the monitoring database can be used, but the exact placement must be different and this method So much so that we can now edit the entire database initialization file as well, mostly because the control_files parameter has been updated. With all current stages Mentioned above, we must all go the other way what experts clarify and with whom to edit the parameters of a person with a new location the exact same name of the missing file. After e That issue a start command and also be a running database.