Systems programmer's guide to resource recovery services (RRS) / [Paola Bari, Frank Kyne, Alan Murphy].

Format:

Book

Author/Creator:

Bari, Paola.

Contributor:

Kyne, Frank.

Murphy, Alan.

International Business Machines Corporation. International Technical Support Organization.

Series:

IBM redbooks.

IBM redbooks

Language:

English

Subjects (All):

Database management.

Electronic digital computers--Reliability.

Electronic digital computers.

System design.

z/OS.

Physical Description:

1 online resource (184 p.)

Edition:

1st ed.

Place of Publication:

Poughkeepsie, NY : IBM, International Technical Support Organization, 2004.

Language Note:

English

Contents:

Front cover

Contents

Notices

Trademarks

Preface

The team that wrote this redbook

Become a published author

Comments welcome

Part 1 Resource Recovery Services (RRS) introduction and concepts

Chapter 1. Introduction to Resource Recovery Services (RRS)

1.1 Transactions

1.2 Resource managers and protected resources

1.3 The role of Resource Recovery Services (RRS)

1.3.1 Who uses RRS

Chapter 2. Two-phase commit and RRS

2.1 Introduction to two-phase commit

2.2 Two-phase commit as supported by legacy resource managers

2.2.1 CICS

2.2.2 IMS

2.2.3 DB2

2.3 How RRS works

2.3.1 Registration services

2.3.2 Context services

2.3.3 RRS invocation

2.4 How two-phase commit works with RRS

2.5 Summary

Chapter 3. Distributed RRS

3.1 Distributed two-phase commit

3.1.1 RRS distributed syncpoint support

3.1.2 Multisystem cascaded transactions

Part 2 Implementing and managing RRS

Chapter 4. Implementing RRS

4.1 RRS Implementation overview and planning

4.2 Define the logging environment

4.2.1 RRS logging group name

4.2.2 Log stream characteristics

4.2.3 RRS log stream structure sizing

4.2.4 Define the RRS log streams

4.3 Define the RRS infrastructure

4.3.1 WLM definitions

4.3.2 RRS subsystem definitions

4.3.3 Define RRS procedure

4.3.4 RRS automation

4.3.5 Define RRS panels to ISPF

4.3.6 Define RRS SAF authorization

4.3.7 Define RRS component trace

Chapter 5. RRS operations

5.1 Starting RRS

5.1.1 RRS warm start

5.1.2 RRS cold start

5.2 Stopping RRS

5.3 Using RRS panels

Chapter 6. RRS performance and availability

6.1 Availability considerations for RRS log streams

6.2 Performance considerations of RRS log streams

6.2.1 RRS performance monitoring

Chapter 7. RRS restart and recovery

7.1 RRS restart.

7.1.1 RRS log takeover

7.2 Resource manager restart

7.2.1 Resource manager startup sequence

7.2.2 Resource Manager restart restrictions

7.2.3 Example of resource manager restart within the same RRS logging group

7.2.4 Example of resource manager restart outside the same RRS logging group

7.2.5 Sample DB2/MQ restart scenario with RRS

Part 3 RRS exploiters

Chapter 8. WebSphere Application Server for z/OS

8.1 Introduction

8.2 J2EE terminology

8.3 RRS exploitation

8.4 Connectors for JDBC, JMS and JCA

8.4.1 IMS connectors

8.4.2 CICS connectors

8.4.3 DB2 connector

8.4.4 WebSphere MQ connector

8.4.5 Connector summary table

8.4.6 RRS versus XA resource adapters

8.5 Restart and recovery issues with RRS

8.5.1 RRS failure

8.5.2 Failure and restart

8.5.3 Peer restart and recovery

8.6 Example scenarios

8.6.1 Application updating CICS and IMS using RRS connectors

8.6.2 Application updating CICS and IMS with RRS and XA connectors

8.6.3 Application backout updating CICS and IMS with RRS and XA connectors

Chapter 9. DB2 for z/OS

9.1 DB2 RRS requirements

9.1.1 DB2 RRS Attach facility

9.1.2 DB2 Stored Procedures

9.1.3 DB2 JDBC/SQLJ driver for OS/390

9.1.4 DB2 Universal JDBC/SQLJ driver

9.2 DB2 restart and recovery with RRS

9.2.1 DB2 restart if RRS is unavailable

9.2.2 DB2 restart on another system

9.3 Sample scenarios for DB2 using RRS

9.3.1 Normal commit processing scenario

Chapter 10. CICS Transaction Server

10.1 CICS RRS requirements

10.1.1 Working in CICS

10.1.2 Connecting to CICS via EXCI

10.2 CICS restart and recovery with RRS

10.2.1 RRS failure

10.2.2 CICS restart

10.2.3 Operator commands

10.2.4 CICS example

Chapter 11. IMS

11.1 How IMS/ESA exploits RRS

11.2 Connecting to IMS/ESA

11.2.1 ODBA

11.2.2 APPC/IMS.

11.2.3 OTMA

11.3 IMS/ESA restart and recovery with RRS

11.3.1 RRS failure while IMS is active

11.3.2 IMS restart when RRS is not available

11.3.3 IMS restart when RRS has been cold-started

11.3.4 IMS restart on a different system

11.4 IMS/ESA sample scenario using RRS

Chapter 12. WebSphere MQ for z/OS

12.1 WebSphere MQ RRS requirements

12.1.1 WebSphere MQ and DB2 stored procedures

12.1.2 WebSphere MQ JMS interface

12.2 WebSphere MQ restart and recovery issue with RRS

12.2.1 RRS failure when MQ is running

12.2.2 WebSphere MQ restart if RRS is unavailable

12.2.3 WebSphere MQ restart on another system

12.3 Sample scenarios for WebSphere MQ using RRS

12.3.1 Normal commit processing scenario

Chapter 13. APPC/MVS

13.1 APPC/MVS RRS requirements

13.1.1 Transaction flow using APPC/MVS protected conversations

13.1.2 APPC/MVS system requirements for protected conversations

13.1.3 Managing APPC/MVS resources for protected conversations

13.2 APPC/MVS application restart and recovery with RRS

13.2.1 RRS failure while the APPC/MVS application is active

13.3 APPC/MVS sample scenario with RRS

Chapter 14. DFSMStvs

14.1 DFSMtvs features that exploit RRS

14.1.1 Resource recovery participants

14.1.2 Commit flow with DFSMStvs

14.1.3 Backout flow with DFSMStvs

14.1.4 Handling of undo records when in-doubt with DFSMStvs

14.1.5 Handling long-running units of recovery with DFSMStvs

14.2 TVS restart and recovery with RRS

14.2.1 RRS failure

14.2.2 DFSMStvs restart

14.2.3 DFSMStvs peer restart

14.2.4 Operator commands

14.3 DFSMStvs examples

Related publications

IBM Redbooks

Other publications

How to get IBM Redbooks

Index

Back cover.

Notes:

"November 2004."

"SG24-6980-00."

Includes bibliographical references and index.

OCLC:

80247250