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IMS in the Parallel Sysplex, Volume 3 : IMSplex Implementation and Operations.

By: Material type: TextTextPublisher: Durham : I B M, 2003Copyright date: ©2003Edition: 1st edDescription: 1 online resource (398 pages)Content type:
  • text
Media type:
  • computer
Carrier type:
  • online resource
ISBN:
  • 9780738453453
Subject(s): Genre/Form: Additional physical formats: Print version:: IMS in the Parallel Sysplex, Volume 3DDC classification:
  • 004/.35
LOC classification:
  • QA76.9.D3 -- I462 v.3 2003eb
Online resources:
Contents:
Front cover -- Contents -- Notices -- Trademarks -- Preface -- The team that wrote this redbook -- Become a published author -- Comments welcome -- Part 1 IMSplex implementation -- Chapter 1. Data sharing implementation -- 1.1 Migration steps to implement data sharing -- 1.2 Ensure that SHARECTL is set in the RECON -- 1.3 Register databases at SHARELVL(1) -- 1.4 Parameters to review in IMS procedures -- 1.4.1 DL/I batch processing regions: DBBBATCH and DLIBATCH procedures -- 1.4.2 DL/I Separate Address Space: DLISAS procedure -- 1.4.3 IMS Transaction Manager and IMS DBCTL: IMS and DBC procedures -- 1.4.4 Message processing region: DFSMPR procedure -- 1.4.5 Batch message processing: IMSBATCH procedure -- 1.4.6 Fast Path application: IMSFP procedure -- 1.4.7 Fast Path utility region: FPUTIL procedure -- 1.4.8 IRLM: DXRJPROC procedure -- 1.5 Comments on data sharing overhead -- 1.6 Defining VSAM share options -- 1.7 Set VSAM and OSAM data set dispositions to share -- 1.8 Adjust ACCESS=xx in the DATABASE macro -- 1.9 Excluding a database from data sharing -- 1.10 Examine DBRC skeletal JCL -- 1.11 Buffer pool use in a data sharing environment -- 1.12 Calculate the size of the OSAM/VSAM XI structures -- 1.13 Calculate the size of the IRLM lock structure -- 1.13.1 Sizing the lock structure lock table -- 1.13.2 Sizing the lock structure record list -- 1.13.3 Example of IRLM lock structure sizing -- 1.14 Defining the OSAM, VSAM and IRLM CF structures -- 1.15 Update DFSVSMxx with CFNAMES parameters -- 1.16 Registering databases at SHARELVL(2) -- 1.17 Update IRLM start procedures for global data sharing -- 1.17.1 Startup the IRLM procedure -- 1.18 Starting the CFRM policy -- 1.19 Registering databases at SHARELVL(3) -- 1.20 Cloning your IMS subsystems -- 1.21 Starting the second IMS subsystem -- 1.22 Testing data sharing with simple applications.
1.23 IMS implementation for VSO data sharing -- 1.24 Fast Database Recovery implementation -- 1.24.1 FDBR startup procedure -- Chapter 2. Implementing IMS shared queues -- 2.1 What needs to be done in IMS -- 2.1.1 IMS system definition -- 2.1.2 IMS execution time parameters - DFSPBxxx -- 2.1.3 DFSDCxxx PROCLIB member -- 2.1.4 DFSSQxxx PROCLIB member -- 2.1.5 DFSVSMxx PROCLIB member -- 2.2 Shared queues components -- 2.2.1 BPE for CQS -- 2.2.2 BPE PPT entry for CQS -- 2.2.3 CQS start procedure -- 2.2.4 CQSIPxxx (initialization) PROCLIB member -- 2.2.5 CQSSLxxx local structure definition PROCLIB member -- 2.2.6 CQSSGxxx global structure definition PROCLIB member -- 2.2.7 IMS and CQS library relationships -- 2.2.8 CQS PROCLIB member relationships -- 2.2.9 Shared queues structure sizing -- 2.2.10 Shared queues structure definitions in CFRM -- 2.2.11 Security definitions for CQS structures -- 2.2.12 Allocation of CQS data sets -- 2.2.13 System Logger definitions in LOGR policy -- 2.3 Additional System Logger considerations -- 2.4 Other Parallel Sysplex policies -- Chapter 3. Implementing the Common Service Layer (CSL) -- 3.1 Before the first IMS joins the IMSplex -- 3.2 Setting up a CSL environment -- 3.2.1 CSL definitional requirements -- 3.2.2 Checking the requirements -- 3.2.3 Basic rules -- 3.2.4 Hardware and software currency -- 3.3 Updating the CFRM couple data set (CDS) -- 3.3.1 Reformatting the CFRM control data set -- 3.3.2 Sample resource structure definition -- 3.3.3 Resource structure failure -- 3.3.4 Shared queue structures -- 3.4 Setting up the Base Primitive Environment (BPE) -- 3.4.1 Base Primitive Environment PROCLIB members -- 3.4.2 Update the OS/390 program properties table (PPT) -- 3.4.3 BPE user-supplied exit routines -- 3.4.4 BPE configuration parameter PROCLIB member -- 3.4.5 BPE user exit PROCLIB member.
3.4.6 BPEINIT parameter in BPE execution -- 3.5 Setting the Structured Call Interface (SCI) -- 3.5.1 SCI startup procedure -- 3.5.2 SCI execution parameters -- 3.5.3 SCI initialization PROCLIB member CSLSIxxx -- 3.5.4 SCI security -- 3.6 SCI user exit routines -- 3.7 Setting up the Operations Manager (OM) -- 3.7.1 OM startup procedure -- 3.7.2 OM execution parameters -- 3.7.3 OM initialization parameters PROCLIB member CSLOIxxx -- 3.7.4 OM command security -- 3.8 OM user exit routines -- 3.9 Setting up the Resource Manager (RM) -- 3.9.1 RM infrastructure -- 3.9.2 Maintaining global resource information in the resource structure -- 3.10 RM definitions -- 3.10.1 RM startup procedure -- 3.10.2 RM execution parameters -- 3.10.3 RM initialization parameters PROCLIB member CSLRIxxx -- 3.10.4 RM security -- 3.11 RM user exit routines -- 3.12 Setting up the IMS control region for CSL -- 3.13 Setup IMS PROCLIB members -- 3.13.1 DFSPBxxx PROCLIB member -- 3.13.2 DFSCGxxx PROCLIB member -- 3.13.3 DFSDCxxx PROCLIB member -- 3.13.4 DFSVSMxx PROCLIB member -- 3.14 DBRC address spaces -- 3.15 IMSplex security -- 3.15.1 Security issues -- 3.16 Miscellaneous considerations when implementing CSL -- 3.16.1 RSR -- 3.16.2 Features not affected by CSL or STM -- Chapter 4. Implementing the sysplex terminal management (STM) -- 4.1 Enabling sysplex terminal management (STM) -- 4.1.1 Prerequisites for STM -- 4.1.2 Migration and coexistence -- 4.2 Recovery and recoverability status -- 4.2.1 System defaults in DFSDCxxx -- 4.2.2 Setting status recovery mode (SRM) -- 4.2.3 Setting status recoverability (RCVYxxxx) -- 4.2.4 SRMDEF and RCVxxxx rules -- 4.2.5 ETO descriptors -- 4.3 Overriding SRM and RCVYxxxx defaults -- 4.3.1 Logon exit (DFSLGNX0) -- 4.3.2 Signon exit (DFSSGNX0) -- 4.4 Resource structure -- 4.4.1 CFSIZER tool for resource structure definition -- 4.5 Resource types.
4.5.1 IMSplex global resources -- 4.5.2 Static transaction and MSNAME resources -- 4.5.3 CPI-C transaction resources -- 4.5.4 APPC descriptor resources -- 4.5.5 Sysplex terminal resources -- 4.6 Resource number -- 4.6.1 Methods to calculate the resource number -- 4.6.2 QUERY STRUCTURE command -- 4.7 Data element number -- 4.7.1 Methods to calculate the data element number -- 4.7.2 QUERY STRUCTURE command -- 4.8 Resource table -- 4.8.1 Calculating an initial resource structure -- 4.9 Defining the resource structure -- 4.9.1 CFRM policy definition options -- 4.10 Adjusting the size of the resource structure -- 4.11 IMS exits using STM -- 4.11.1 Logon exit (DFSLGNX0) -- 4.11.2 Signon exit (DFSSGNX0) -- 4.11.3 Output creation exit (DFSINSX0) -- 4.11.4 Command authorization exit (DFSCCMD0) -- 4.12 Considerations when STM is active -- 4.12.1 Global callable services -- 4.12.2 Extended Recovery Facility (XRF) -- 4.12.3 Rapid Network Reconnect (RNR) -- Chapter 5. Other Common Service Layer (CSL) functionalities -- 5.1 Global online change -- 5.1.1 Setting up the global online change -- 5.1.2 Requirements for the global online change -- 5.1.3 Preparation for the global online change -- 5.1.4 Overview of execution -- 5.1.5 DFSCGxxx PROCLIB member -- 5.1.6 Mixed environment -- 5.2 Resource consistency checking -- 5.2.1 Checking function -- 5.2.2 Checking choice -- 5.3 OLCSTAT data set -- 5.3.1 Definition of OLCSTAT data set -- 5.3.2 OLCSTAT data set header record -- 5.3.3 OLCSTAT data set IMS record -- 5.3.4 OLCSTAT data set examples -- 5.4 Global online change utility (DFSUOLC0) -- 5.4.1 DFSUOLC procedure -- 5.4.2 Initializing OLCSTAT data set -- 5.5 Online change utility (DFSUOCU0) -- 5.5.1 OLCUTL procedure -- 5.5.2 Migration to global online change -- 5.5.3 Fallback to local online change -- 5.6 Setting up the single point of control (SPOC).
5.7 Setting up the TSO SPOC program -- 5.7.1 Updating the logon procedure -- 5.7.2 Using ALTLIB and LIBDEF -- 5.7.3 Invoking IMS single point of control (SPOC) -- 5.7.4 Setting SPOC preferences -- 5.8 Setting up a user written interface to Operations Manager -- 5.8.1 REXX SPOC functions -- 5.8.2 REXX SPOC file allocation -- 5.8.3 The REXX SPOC environment -- 5.8.4 CSLULXSB TSO command program -- 5.8.5 IMSSPOC environment -- 5.8.6 CSLULGTS() REXX external function -- 5.9 REXX SPOC API return and reason codes -- 5.9.1 API return codes -- 5.9.2 API warning reason codes -- 5.9.3 API parameter error reason codes -- 5.9.4 API system error reason codes -- 5.10 Automatic RECON loss notification (ARLN) -- 5.10.1 Using DBRC with SCI -- 5.11 Two choices to enable ARLN -- 5.11.1 IMSPLEX execution parameter -- 5.11.2 DBRC SCI registration exit (DSPSCIX0) -- 5.12 Implementing ARLN -- 5.12.1 Getting started with ARLN -- 5.12.2 Specifying IMSPLEX parameter in batch and utility regions -- 5.13 Changing and removing the IMSplex name in RECON -- 5.14 DSPSCIX0 details -- 5.14.1 The IMS provided default exit -- 5.15 Recommendations for ARLN -- 5.16 Language environment (LE) -- 5.16.1 Defining LE run-time options -- 5.16.2 Changing LE run-time options -- 5.17 Dynamic LE run-time option support -- 5.17.1 DFSCGxxx LEOPT parameter -- 5.18 Migration considerations for LE dynamic overrides -- 5.19 DFSBXITA IMS exit -- 5.19.1 DFSBXITA logic -- 5.19.2 CEEBXITA as an installation-wide exit -- 5.19.3 LE option recommendations for IMS -- Chapter 6. Implementing VTAM Generic Resources and RNR -- 6.1 VTAM Generic Resource implementation -- 6.2 VTAM components of VTAM Generic Resources -- 6.2.1 VTAM start option parameter -- 6.2.2 Coupling Facility structure -- 6.2.3 VTAM Generic Resources resolution exit -- 6.3 IMS definitions for VTAM Generic Resources.
6.3.1 IMS start-up parameter.
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Front cover -- Contents -- Notices -- Trademarks -- Preface -- The team that wrote this redbook -- Become a published author -- Comments welcome -- Part 1 IMSplex implementation -- Chapter 1. Data sharing implementation -- 1.1 Migration steps to implement data sharing -- 1.2 Ensure that SHARECTL is set in the RECON -- 1.3 Register databases at SHARELVL(1) -- 1.4 Parameters to review in IMS procedures -- 1.4.1 DL/I batch processing regions: DBBBATCH and DLIBATCH procedures -- 1.4.2 DL/I Separate Address Space: DLISAS procedure -- 1.4.3 IMS Transaction Manager and IMS DBCTL: IMS and DBC procedures -- 1.4.4 Message processing region: DFSMPR procedure -- 1.4.5 Batch message processing: IMSBATCH procedure -- 1.4.6 Fast Path application: IMSFP procedure -- 1.4.7 Fast Path utility region: FPUTIL procedure -- 1.4.8 IRLM: DXRJPROC procedure -- 1.5 Comments on data sharing overhead -- 1.6 Defining VSAM share options -- 1.7 Set VSAM and OSAM data set dispositions to share -- 1.8 Adjust ACCESS=xx in the DATABASE macro -- 1.9 Excluding a database from data sharing -- 1.10 Examine DBRC skeletal JCL -- 1.11 Buffer pool use in a data sharing environment -- 1.12 Calculate the size of the OSAM/VSAM XI structures -- 1.13 Calculate the size of the IRLM lock structure -- 1.13.1 Sizing the lock structure lock table -- 1.13.2 Sizing the lock structure record list -- 1.13.3 Example of IRLM lock structure sizing -- 1.14 Defining the OSAM, VSAM and IRLM CF structures -- 1.15 Update DFSVSMxx with CFNAMES parameters -- 1.16 Registering databases at SHARELVL(2) -- 1.17 Update IRLM start procedures for global data sharing -- 1.17.1 Startup the IRLM procedure -- 1.18 Starting the CFRM policy -- 1.19 Registering databases at SHARELVL(3) -- 1.20 Cloning your IMS subsystems -- 1.21 Starting the second IMS subsystem -- 1.22 Testing data sharing with simple applications.

1.23 IMS implementation for VSO data sharing -- 1.24 Fast Database Recovery implementation -- 1.24.1 FDBR startup procedure -- Chapter 2. Implementing IMS shared queues -- 2.1 What needs to be done in IMS -- 2.1.1 IMS system definition -- 2.1.2 IMS execution time parameters - DFSPBxxx -- 2.1.3 DFSDCxxx PROCLIB member -- 2.1.4 DFSSQxxx PROCLIB member -- 2.1.5 DFSVSMxx PROCLIB member -- 2.2 Shared queues components -- 2.2.1 BPE for CQS -- 2.2.2 BPE PPT entry for CQS -- 2.2.3 CQS start procedure -- 2.2.4 CQSIPxxx (initialization) PROCLIB member -- 2.2.5 CQSSLxxx local structure definition PROCLIB member -- 2.2.6 CQSSGxxx global structure definition PROCLIB member -- 2.2.7 IMS and CQS library relationships -- 2.2.8 CQS PROCLIB member relationships -- 2.2.9 Shared queues structure sizing -- 2.2.10 Shared queues structure definitions in CFRM -- 2.2.11 Security definitions for CQS structures -- 2.2.12 Allocation of CQS data sets -- 2.2.13 System Logger definitions in LOGR policy -- 2.3 Additional System Logger considerations -- 2.4 Other Parallel Sysplex policies -- Chapter 3. Implementing the Common Service Layer (CSL) -- 3.1 Before the first IMS joins the IMSplex -- 3.2 Setting up a CSL environment -- 3.2.1 CSL definitional requirements -- 3.2.2 Checking the requirements -- 3.2.3 Basic rules -- 3.2.4 Hardware and software currency -- 3.3 Updating the CFRM couple data set (CDS) -- 3.3.1 Reformatting the CFRM control data set -- 3.3.2 Sample resource structure definition -- 3.3.3 Resource structure failure -- 3.3.4 Shared queue structures -- 3.4 Setting up the Base Primitive Environment (BPE) -- 3.4.1 Base Primitive Environment PROCLIB members -- 3.4.2 Update the OS/390 program properties table (PPT) -- 3.4.3 BPE user-supplied exit routines -- 3.4.4 BPE configuration parameter PROCLIB member -- 3.4.5 BPE user exit PROCLIB member.

3.4.6 BPEINIT parameter in BPE execution -- 3.5 Setting the Structured Call Interface (SCI) -- 3.5.1 SCI startup procedure -- 3.5.2 SCI execution parameters -- 3.5.3 SCI initialization PROCLIB member CSLSIxxx -- 3.5.4 SCI security -- 3.6 SCI user exit routines -- 3.7 Setting up the Operations Manager (OM) -- 3.7.1 OM startup procedure -- 3.7.2 OM execution parameters -- 3.7.3 OM initialization parameters PROCLIB member CSLOIxxx -- 3.7.4 OM command security -- 3.8 OM user exit routines -- 3.9 Setting up the Resource Manager (RM) -- 3.9.1 RM infrastructure -- 3.9.2 Maintaining global resource information in the resource structure -- 3.10 RM definitions -- 3.10.1 RM startup procedure -- 3.10.2 RM execution parameters -- 3.10.3 RM initialization parameters PROCLIB member CSLRIxxx -- 3.10.4 RM security -- 3.11 RM user exit routines -- 3.12 Setting up the IMS control region for CSL -- 3.13 Setup IMS PROCLIB members -- 3.13.1 DFSPBxxx PROCLIB member -- 3.13.2 DFSCGxxx PROCLIB member -- 3.13.3 DFSDCxxx PROCLIB member -- 3.13.4 DFSVSMxx PROCLIB member -- 3.14 DBRC address spaces -- 3.15 IMSplex security -- 3.15.1 Security issues -- 3.16 Miscellaneous considerations when implementing CSL -- 3.16.1 RSR -- 3.16.2 Features not affected by CSL or STM -- Chapter 4. Implementing the sysplex terminal management (STM) -- 4.1 Enabling sysplex terminal management (STM) -- 4.1.1 Prerequisites for STM -- 4.1.2 Migration and coexistence -- 4.2 Recovery and recoverability status -- 4.2.1 System defaults in DFSDCxxx -- 4.2.2 Setting status recovery mode (SRM) -- 4.2.3 Setting status recoverability (RCVYxxxx) -- 4.2.4 SRMDEF and RCVxxxx rules -- 4.2.5 ETO descriptors -- 4.3 Overriding SRM and RCVYxxxx defaults -- 4.3.1 Logon exit (DFSLGNX0) -- 4.3.2 Signon exit (DFSSGNX0) -- 4.4 Resource structure -- 4.4.1 CFSIZER tool for resource structure definition -- 4.5 Resource types.

4.5.1 IMSplex global resources -- 4.5.2 Static transaction and MSNAME resources -- 4.5.3 CPI-C transaction resources -- 4.5.4 APPC descriptor resources -- 4.5.5 Sysplex terminal resources -- 4.6 Resource number -- 4.6.1 Methods to calculate the resource number -- 4.6.2 QUERY STRUCTURE command -- 4.7 Data element number -- 4.7.1 Methods to calculate the data element number -- 4.7.2 QUERY STRUCTURE command -- 4.8 Resource table -- 4.8.1 Calculating an initial resource structure -- 4.9 Defining the resource structure -- 4.9.1 CFRM policy definition options -- 4.10 Adjusting the size of the resource structure -- 4.11 IMS exits using STM -- 4.11.1 Logon exit (DFSLGNX0) -- 4.11.2 Signon exit (DFSSGNX0) -- 4.11.3 Output creation exit (DFSINSX0) -- 4.11.4 Command authorization exit (DFSCCMD0) -- 4.12 Considerations when STM is active -- 4.12.1 Global callable services -- 4.12.2 Extended Recovery Facility (XRF) -- 4.12.3 Rapid Network Reconnect (RNR) -- Chapter 5. Other Common Service Layer (CSL) functionalities -- 5.1 Global online change -- 5.1.1 Setting up the global online change -- 5.1.2 Requirements for the global online change -- 5.1.3 Preparation for the global online change -- 5.1.4 Overview of execution -- 5.1.5 DFSCGxxx PROCLIB member -- 5.1.6 Mixed environment -- 5.2 Resource consistency checking -- 5.2.1 Checking function -- 5.2.2 Checking choice -- 5.3 OLCSTAT data set -- 5.3.1 Definition of OLCSTAT data set -- 5.3.2 OLCSTAT data set header record -- 5.3.3 OLCSTAT data set IMS record -- 5.3.4 OLCSTAT data set examples -- 5.4 Global online change utility (DFSUOLC0) -- 5.4.1 DFSUOLC procedure -- 5.4.2 Initializing OLCSTAT data set -- 5.5 Online change utility (DFSUOCU0) -- 5.5.1 OLCUTL procedure -- 5.5.2 Migration to global online change -- 5.5.3 Fallback to local online change -- 5.6 Setting up the single point of control (SPOC).

5.7 Setting up the TSO SPOC program -- 5.7.1 Updating the logon procedure -- 5.7.2 Using ALTLIB and LIBDEF -- 5.7.3 Invoking IMS single point of control (SPOC) -- 5.7.4 Setting SPOC preferences -- 5.8 Setting up a user written interface to Operations Manager -- 5.8.1 REXX SPOC functions -- 5.8.2 REXX SPOC file allocation -- 5.8.3 The REXX SPOC environment -- 5.8.4 CSLULXSB TSO command program -- 5.8.5 IMSSPOC environment -- 5.8.6 CSLULGTS() REXX external function -- 5.9 REXX SPOC API return and reason codes -- 5.9.1 API return codes -- 5.9.2 API warning reason codes -- 5.9.3 API parameter error reason codes -- 5.9.4 API system error reason codes -- 5.10 Automatic RECON loss notification (ARLN) -- 5.10.1 Using DBRC with SCI -- 5.11 Two choices to enable ARLN -- 5.11.1 IMSPLEX execution parameter -- 5.11.2 DBRC SCI registration exit (DSPSCIX0) -- 5.12 Implementing ARLN -- 5.12.1 Getting started with ARLN -- 5.12.2 Specifying IMSPLEX parameter in batch and utility regions -- 5.13 Changing and removing the IMSplex name in RECON -- 5.14 DSPSCIX0 details -- 5.14.1 The IMS provided default exit -- 5.15 Recommendations for ARLN -- 5.16 Language environment (LE) -- 5.16.1 Defining LE run-time options -- 5.16.2 Changing LE run-time options -- 5.17 Dynamic LE run-time option support -- 5.17.1 DFSCGxxx LEOPT parameter -- 5.18 Migration considerations for LE dynamic overrides -- 5.19 DFSBXITA IMS exit -- 5.19.1 DFSBXITA logic -- 5.19.2 CEEBXITA as an installation-wide exit -- 5.19.3 LE option recommendations for IMS -- Chapter 6. Implementing VTAM Generic Resources and RNR -- 6.1 VTAM Generic Resource implementation -- 6.2 VTAM components of VTAM Generic Resources -- 6.2.1 VTAM start option parameter -- 6.2.2 Coupling Facility structure -- 6.2.3 VTAM Generic Resources resolution exit -- 6.3 IMS definitions for VTAM Generic Resources.

6.3.1 IMS start-up parameter.

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