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HP NonStop Shadowbase Command Definitions

Database Specification Command Descriptions

HP NonStop Shadowbase Command Reference Manual—785421-002

216

Initial Changed

Version Version Values Default Minimum Maximum Alter

3.950 OFF OFF ON No

The ACTIVETARGET parameter is used for "live-live" bi-directional

replication environments only. Valid settings for ACTIVETARGET are ON

and OFF. The default is OFF. If ACTIVETARGET is set to ON and there

is a non-zero USEREXITID for the related DBS object, events associated

with duplicate errors will be recycled back through the user exit in an

iterative manner.

Notes:

 An UPDATEDUPLICATE iteration could be processed and if a

duplicate error occurs on the update (would occur on a unique

alternate key or index), another iterative cycle will occur with an

attempt on the original insert event type. If a duplicate error occurs

on an insert as the result of an INSERTNOTFOUND for an update,

another iterative cycle will occur with an attempt on the original

update event.

 A user exit can determine the current event type and original event

type from calling SBGETUSRXPROCESSINFO. It can also

determine if a duplicate error occurred on the prior event and take

an appropriate action to resolve the situation. This action is

dependent upon application requirements associated with the "live-

live" environment.

IMPORTANT: IT IS THE USER EXIT'S RESPONSIBILITY TO ENSURE

THAT THIS DOESN'T RESULT IN AN ENDLESS LOOP

IN THE CONSUMER. THE USER EXIT SHOULD

EITHER PRODUCE AN APPROPRIATE EVENT THAT

RESOLVES THE DUPLICATE ERROR OR BYPASS

THE EVENT. THIS IS NECESSARY BECAUSE THE

CONSUMER WILL CONTINUE TO ATTEMPT A

TARGET OPERATION AND RECALL USRXPROCESS

AS LONG AS THE DUPLICATE ERROR OCCURS

WHEN ACTIVETARGET IS SET TO ON AND

USEREXITID IS NON-ZERO.

ALLOWQUEUEFILE {ON}

{OFF}

Initial Changed

Version Version Values Default Minimum Maximum Alter

5.002 OFF OFF ON No

Client Server Extended Open Target

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