Oracle Database Errors or Warnings from Error ORA-15018 to ORA-15028

SQLServerF1

ORA-15018: diskgroup cannot be created
Cause: The specified diskgroup could not be created.
Action: Check for additional errors reported.
ORA-15019: discovered duplicate path ‘string’ for ‘string’
Cause: The discovery encountered multiple paths to the same disk.
Action: Check that the ASM_DISKSTRING parameter specifies only a single path for each disk.
ORA-15020: discovered duplicate ASM disk “string”
Cause: The discovery encountered two disks claiming to be the same named ASM disk.
Action: Check that the ASM_DISKSTRING parameter specifies only a single path for each disk.

ORA-15021: parameter “string” is not valid in string instance
Cause: The specified parameter was not supported when starting an instance of this type.
Action: Delete the specified parameter from the INIT.ORA file.
ORA-15023: reached maximum allowable number of disks string
Cause: An attempt was made to add another disk to a diskgroup which already contains the maximum number of disks allowed.
Action: Consider dropping existing disks from the diskgroup before adding additional ones, or create a new diskgroup.
ORA-15024: discovered duplicately numbered ASM disk string
Cause: The discovery encountered two disks claiming to have the same ASM disk number.
Action: Check that the ASM_DISKSTRING parameter specifies only a single path for each disk.

ORA-15025: could not open disk ‘string’
Cause: The specified disk could not be opened.
Action: Check the additional error messages, if any.
ORA-15026: disk ‘string’ is not an ASM disk
Cause: The disk did not contain a valid ASM disk header.
Action: Check to see if the data on the disk has been changed by some system administrator action.
ORA-15027: active use of diskgroup “string” precludes its dismount
Cause: An ALTER DISKGROUP … DISMOUNT command specified a diskgroup which had database client instances with open files in the diskgroup. Diskgroups cannot be dismounted until all open files in the diskgroup are closed by the database client instances.
Action: Stop all clients that are using this diskgroup and retry the ALTER DISKGROUP … DISMOUNT command. The V$ASM_CLIENT fixed view in an ASM instance provides a list of its active database client instances.
ORA-15028: ASM file ‘string’ not dropped; currently being accessed
Cause: An attempt was made to drop an ASM file, but the file was being accessed by one or more database instances and therefore could not be dropped.
Action: Shut down all database instances that might be accessing this file and then retry the drop command.

Above are list of Oracle Database Errors or Warnings from Error ORA-15018 to ORA-15028 received while performing certain operation against Oracle Database or related products.

What are Oracle Database Error Messages?

Oracle Error Messages may be returned while using products which are part of Oracle Database.  Each Oracle Database Error or Warning Message mentioned above contains the Warning or Error Message Statement, a short explanation of the probable causes of the Error message, and a recommended action.

Hope this was helpful.

Thanks,
SQLServerF1 Team
Information about Oracle Database Error Messages or Warning Messages on Windows and Linux Operating Systems.

 

Leave a Reply

Your email address will not be published. Required fields are marked *