Friday, October 26, 2018

ORA-16179: incremental changes to "log_archive_dest_1" not allowed with SPFILE

This error comes when you use wrong syntax while setting log archive destination using   log_Archive_dest_n parameter.  I faced this error while trying to set log_archive_dest_1 parameter using ALTER SYSTEM command and the reason of this error was that I missed the keyword “location=” while specifying the destination directory. But this error may also come because of other syntax errors in the command while setting the parameter.     

Friday, October 19, 2018

ORA-01261: Parameter db_recovery_file_dest destination string cannot be translated

DB_RECOVERY_FILE_DEST parameter is used to set Fast Recovery Area for the instance and  archived logs, flashback logs, and RMAN backups are kept at this location and are automatically handled by the database. While using ALTER SYSTEM command to set db_recovery_file_dest parameter you might face following error.

Sunday, October 14, 2018

ORA-00257 archiver error

There are a several archived log errors that exist, and there are several different reasons for these errors as well. As we know that redo log groups are used in a circular fashion and redo logs are reused again and again. After every log switch, the previous redo log file is archived (if database is running in archivelog mode). If oracle is not able to create an archived log file after a redo log switch ORA-00257 would appear, and after a few more redo log switches the turn of this redo log file would come again. Since oracle was not able to archived this redo log previously, it will not overwrite this redo log and database would hang. This redo log must be archived before it could be reused. Alert log would who errors as follows if it is not able to create an archived log file

Friday, October 5, 2018

ORA-48913: Writing into trace file failed, file size limit...

In some environments DBAs limit the size of trace files generated by the database. This included all trace files that could get generated under USER_DUMP_DEST/DIAGNOSTIC_DEST). The parameter to set the limit for trace files is MAX_DUMP_FILE_SIZE and its value is in OS number of blocks. After setting this value, if any trace file size would increase form the size specified in this parameter, ORA-48913 would be recorded in alert log file.

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