gtpo1m39Operations

ZDBRO START-Start Database Reorganization Output Phase

Use this command to start the database reorganization (DBR) output phase. You can capture the database based on the settings in the master keypoint or set up the override keypoint to capture only part of the database. The partial capture starts when you enter this command with the END parameter.

Requirements and Restrictions

Format




ALL
starts the database capture as specified by the master keypoint.

rectype
is a single record type or group of record types to be placed in the DBR override keypoint. The record type must be a 4-digit hexadecimal number for fixed file records or one of the following for pool records:

SLT
Small, long-term

SST
Small, short-term

SDP
Small, long-term duplicate

LLT
Large, long-term

LST
Large, short-term

LDP
Large, long-term duplicate

4LT
4-KB, long-term

4ST
4-KB, short-term

4DP
4-KB, long-term duplicate

4D6
4-KB, long-term FARF6 duplicate.

You can specify as many as 8 record types. If more than 8 record types are required, enter the command with 8 record types and do not specify the END parameter; then enter the command again with the remaining record types followed by the END parameter. Processing does not begin until you specify the END parameter. If any previous ZDBRO START commands with the rectype parameter specified were entered, these records are also captured.

END
specifies that all record types to be placed in the override keypoint have been specified and starts the partial capture.

Additional Information

If you want to run the DBR output phase with buffered tape devices, you must do one of the following:

Attention: Running the DBR output phase with buffered tape devices will improve performance; however, if the system re-IPLs or tape errors occur while DBR is in progress, you may lose data. Also, because the switch that is set by the DBRBUF parameter is subsystem-shared, you can specify ZSYSG with the DBRBUF parameter only from the basic (BSS) subsystem.

Examples

In the following example, DBR is started for 4-KB long-term pool records.

+--------------------------------------------------------------------------------+
|User:   ZDBRO START 4LT END                                                     |
|                                                                                |
|System: DBRO0010I 07.30.32 DBR OUTPUT PHASE STARTED                             |
+--------------------------------------------------------------------------------+

In the following example, DBR is started for more than 8 fixed file types.

+--------------------------------------------------------------------------------+
|User:   ZDBRO START 0005 0007 0012 0013 0014 0015 0018 0019                     |
|                                                                                |
|System: DBRO0000I 15.40.05 REQUEST COMPLETE                                     |
|                                                                                |
|User:   ZDBRO START 001A END                                                    |
|                                                                                |
|System: DBRO0010I 15.40.05 DBR OUTPUT PHASE STARTED                             |
+--------------------------------------------------------------------------------+

Related Information

See TPF Database Reference for more information about DBR and for a sample problem that shows the sequence of the commands.