This operation does not physically delete the unwanted control file from the disk. Edit the CONTROL_FILES parameter in the database initialization parameter file to delete the old control file name.Adding or dropping redo log files or groups.Adding or dropping a tablespace, or altering the read/write state of the tablespace.Adding, dropping, or renaming datafiles.If any of the control files become unavailable during database operation, the instance becomes inoperable and should be aborted.The database reads only the first file listed in the CONTROL_FILES parameter during database operation.
If you are not using Oracle Managed Files, then the database creates a control file and uses a default filename.Async I/O issue or multiple db_writers, you can't use both of them, back out one.Frequent log switching - redo logs too small or insufficient logs.Very slow I/O subsystem where the Control files are stored.When the waiting process is unable to kill the holding process, then an ORA-239 error is raised. ORA-00494: enqueue held for too long (more than 900 seconds) by 'inst, ospid ' (10.2.0.4 and later).ORA-00600: internal error code, arguments: (10.2.0.3 and Earlier).Requested to grow by 81 records added 3 blocks of records Number of Days that this information is stored in the control fileĮxpanded controlfile section 11 from 28 to 109 records.Archived redo logs that the database generates.Handling Errors during CREATE CONTROLFILE If compatibility is 10.2.0 or later, you do not have to create new control files when you make such a change the control files automatically expand, if necessary, to accommodate the new configuration information. You want to change the parameters from the CREATE DATABASE or CREATE CONTROLFILE commands: MAXLOGFILES, MAXLOGMEMBERS, MAXLOGHISTORY, and MAXINSTANCES, when the compatibility is earlier than 10.2.0.You want to change the database name. For example, you would change a database name if it conflicted with another database name in a distributed environment.All control files for the database have been permanently damaged and you do not have a control file backup.It does not apply to records such as datafile, tablespace, and redo thread records, which are never reused unless the corresponding object is dropped from the tablespace.
#Waiting for snapshot control file enqueue archive
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