| A1: | The ? is the help command that can be issued from the CLP. It provides a description of the error. |
| A2: | You use the command db2 ? sql0805n to get more information. |
| A3: | FFDC stands for first failure data capture. |
| A4: | There is no administration notification file in Windows. Administration notification logs are provided as part of the Windows Event Viewer. |
| A5: | The administration notification file in Linux/UNIX is instance_name .nfy. |
| A6: | To capture the most information possible, set the DIAGLEVEL Database Manager Configuration parameter to 4. |
| A7: | The db2support tool captures all the necessary information that DB2 Technical Support needs to research a problem. |
| A8: | The command db2trc is used to capture DB2 traces. |
| A9: | db2diag.log is located in the directory $HOME /sqllib/db2dump, where $HOME is the home directory of the instance owner. |
| A10: | To receive e-mail notification messages, you must use NOTIFYLEVEL 2 at least. |
| A11: | C . All FFDC information, including the administration notification log, is kept in the path specified by the Database Manager Configuration parameter DIAGPATH. |
| A12: | A . NOTIFYME is not a database manager configuration parameter. |
| A13: | B . NOTIFYLEVEL = 1 only logs fatal and unrecoverable errors. |
| A14: | C . SMTP hostname is defined in the database manager configuration file. |
| A15: | D . Trap files are normally reviewed only by DB2 Technical Support. |
| A16: | C . Application log file is not collected with the db2support tool. |
| A17: | D . 3 is the default DIAGLEVEL. |
| A18: | D . DIAGLEVEL 3 is the recommended value which is also the default value for DIAGLEVEL. |
| A19: | D . DIAGPATH is set to NULL by default. |
| A20: | D . CONTACT_LIST_GROUP is not a DAS parameter. |