Replication Agent LTM Locator formats

Use the tables in this section to verify that your LTM Locator format is correct after you upgrade to Replication Agent for DB2 UDB for z/OS version 15.0.

Following is an example of the QID received from Replication Server upon start-up:

0001B0C79D60B86600000001B0C79D60B2B30001000010C8AC0C00

Table C-1 shows the format of the LTM Locator in the current version of Replication Agent.

Table C-1: LTM Locator format in current version of Replication Agent

Length (bytes)

Field description

2

Database generation ID

6

  • RBA or LRSN of the current non-utility transaction

  • RBA or LRSN of the beginning of the next transaction in a utility operation

2

  • Counter in a data-sharing environment (used to avoid duplication in the sysplex)

  • Counter for utility transactions

  • Hexadecimal zeros (x'00') any other time

2

  • Member identifier used in a data-sharing environment

  • Hexadecimal zeros (x'00') any other time

6

URID* of the oldest open operation

2

  • Member identifier associated with the oldest open operation in a data-sharing environment

  • Hexadecimal zeros (x'00') any other time

6

URID* identifying the beginning of the current operation

1

Type of record:

  • (x'00') operation control record

  • (x'01') insert, update, or delete transaction

  • (x'02') set truncation point

  • (x'11') insert, update, or delete compensation transaction

9

Reserved for future use

*The URID is an RBA value. See the Glossary in the Replication Agent for DB2 UDB User’s and Troubleshooting Guide for a definition.

See also