Table 11 shows the virtual processors that the database server starts automatically. You cannot add or drop these virtual processors with the onmode -p command. To drop these virtual processors, shut down and restart the database server.
| Virtual-Processor Class | Description |
|---|---|
| ADM | Performs administrative functions |
| ADT | Runs auditing processes The database server starts one virtual processor in the audit class when you turn on audit mode by setting the ADTMODE parameter in the ONCONFIG file. |
| MSC | Services requests for system calls that require a large stack The database server starts this virtual processor automatically. |
| OPT | Performs I/O to the optical disk The database server starts one OPT virtual processor when you use the Optical Subsystem. |