|
Figure 2-1
|
Hierarchical Database Model
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11
|
|
Figure 3-1
|
Example of a Simple Application That Accesses an IMS Database Through DL/I
|
19
|
|
Figure 3-2
|
Example of an EJB That Accesses an IMS Database Through the JDBC Interface
|
21
|
|
Figure 3-3
|
Accessing IMS DB from Other Programs
|
23
|
|
Figure 3-4
|
Accessing IMS TM from Other Programs
|
25
|
|
Figure 4-1
|
Structure of a Sample IMS DB/DC Environment
|
30
|
|
Figure 4-2
|
Structure of a Sample IMS DBCTL Environment
|
32
|
|
Figure 4-3
|
Structure of a Sample IMS DCCTL Environment
|
34
|
|
Figure 4-4
|
Structure of an IMS DB Batch Environment
|
35
|
|
Figure 4-5
|
JMP or JBP Application That Uses the IMS Java Function
|
40
|
|
Figure 4-6
|
Client Systems, CQS, and a Coupling Facility
|
41
|
|
Figure 7-1
|
Example of a Hierarchical Dealership Database
|
68
|
|
Figure 7-2
|
Relational Representation of the Dealership Database
|
69
|
|
Figure 7-3
|
Hierarchical Data Structure
|
71
|
|
Figure 7-4
|
Segment Types and Their Relationships
|
72
|
|
Figure 7-5
|
Two Logically Related Physical Databases: Part and Order
|
74
|
|
Figure 7-6
|
Two Logical Databases After Relating the Part and Order Databases
|
76
|
|
Figure 7-7
|
Segments Used for Secondary Indexes
|
78
|
|
Figure 7-8
|
A Physical Database and Its Secondary Index Database
|
81
|
|
Figure 8-1
|
Elements of the Physical Storage of Data
|
84
|
|
Figure 8-2
|
Layout of a Typical Segment
|
85
|
|
Figure 8-3
|
Database Segments and Pointers
|
86
|
|
Figure 8-4
|
Physical Layout of Records in an HDAM Database Data Set
|
90
|
|
Figure 8-5
|
HDAM Database Free Space Management
|
92
|
|
Figure 8-6
|
HIDAM Database in Physical Storage
|
95
|
|
Figure 8-7
|
Logical View of an HDAM Database and a PHDAM Database
|
98
|
|
Figure 8-8
|
A Logical View of a HIDAM and a PHIDAM
|
100
|
|
Figure 8-9
|
Overall Structure of a Fast Path DEDB
|
103
|
|
Figure 10-1
|
Database Unload Processing
|
132
|
|
Figure 10-2
|
Simple Database Reload Processing
|
134
|
|
Figure 10-3
|
Database Reload Processing with Secondary Indexes
|
136
|
|
Figure 10-4
|
Database Reload Processing with Logical Relationships
|
138
|
|
Figure 10-5
|
Database Reload Processing with Secondary Indexes and Logical Relationships
|
140
|
|
Figure 10-6
|
Offline Reorganization of a HALDB database
|
143
|
|
Figure 10-7
|
The Relationship between Input Data Sets and Output Data Sets during the Online Reorganization of a HALDB Partition
|
147
|
|
Figure 10-8
|
The Normal Processing Steps of HALDB Online Reorganization
|
150
|
|
Figure 11-1
|
IMS Database Recovery Process
|
152
|
|
Figure 11-2
|
Overview of the Recovery Utilities
|
155
|
|
Figure 11-3
|
Inputs to and Outputs from the Database Image Copy Utility
|
156
|
|
Figure 11-4
|
Inputs to and Outputs from the Database Image Copy 2 Utility
|
158
|
|
Figure 11-5
|
Inputs to and Outputs from the Online Database Image Copy Utility
|
159
|
|
Figure 11-6
|
Inputs to and Outputs from the Database Change Accumulation Utility
|
160
|
|
Figure 11-7
|
Inputs to and Outputs from the Database Recovery Utility
|
162
|
|
Figure 11-8
|
Inputs to and Outputs from the Batch Backout Utility
|
164
|
|
Figure 12-1
|
Transmission, Message, and Segment Relationships
|
172
|
|
Figure 12-2
|
Format of a Message Segment
|
172
|
|
Figure 12-3
|
The IMS Control Region, Its Control, and Data (Message) Flow
|
174
|
|
Figure 12-4
|
Components of a Network
|
176
|
|
Figure 12-5
|
System Overview using IMS Connect
|
187
|
|
Figure 12-6
|
Sample Traditional Master Terminal Screen
|
192
|
|
Figure 12-7
|
Sample JCL for the Secondary Master Spool
|
193
|
|
Figure 13-1
|
Input Message Processing
|
196
|
|
Figure 13-2
|
Overview of the Message Queuing Process
|
199
|
|
Figure 13-3
|
Basic Shared-Queues Environment
|
202
|
|
Figure 13-4
|
Components of a Shared-Queues Environment
|
204
|
|
Figure 13-5
|
Message Scheduling Based on Information in the PSB
|
207
|
|
Figure 13-6
|
Sample APPLCTN Macro Transaction Definition in IMS Stage 1 Input
|
207
|
|
Figure 13-7
|
Example of MPR PROC Statement
|
209
|
|
Figure 13-8
|
Example of
/ASSIGN CLASS
Command
|
209
|
|
Figure 13-9
|
Example of
/DISPLAY ACTIVE
Command
|
210
|
|
Figure 14-1
|
Structure of an IMS Application Program
|
219
|
|
Figure 14-2
|
Application PCB Structure
|
224
|
|
Figure 14-3
|
Example of a DB PCB Mask in COBOL
|
225
|
|
Figure 14-4
|
Examples of Concatenated Keys
|
227
|
|
Figure 14-5
|
Example of an Online Application PCB Mask
|
227
|
|
Figure 14-6
|
Example of a COBOL Application Program Testing Status Codes
|
229
|
|
Figure 14-7
|
Sample TP PCB
|
231
|
|
Figure 14-8
|
Example of a Simple DB PCB
|
232
|
|
Figure 14-9
|
IMS Control Block Generation and Usage
|
234
|
|
Figure 15-1
|
Sample Call Format
|
247
|
|
Figure 15-2
|
Basic Get Unique Call
|
248
|
|
Figure 15-3
|
Unqualified Get Next Call
|
249
|
|
Figure 15-4
|
Qualified Get Next Call
|
250
|
|
Figure 15-5
|
Qualified Get Next Call with Qualified SSA
|
251
|
|
Figure 15-6
|
Sample Combination of a Get Hold Unique Call and a Replace Call
|
252
|
|
Figure 15-7
|
Sample Combination of a Get Hold Unique Call and a Delete Call
|
253
|
|
Figure 15-8
|
Basic Insert Call
|
254
|
|
Figure 15-9
|
Example of an SSA with D and P Command Codes
|
255
|
|
Figure 15-10
|
Sample Path Retrieve Call
|
256
|
|
Figure 15-11
|
Example of a Hyphen (-) Command Code
|
258
|
|
Figure 15-12
|
Example of a COBOL Batch Program
|
261
|
|
Figure 15-13
|
Example of a PL/I Batch Program
|
263
|
|
Figure 15-14
|
Example of a PSB with a Secondary Index Defined
|
267
|
|
Figure 15-15
|
Example of a Get Unique Call Using a Secondary Index
|
268
|
|
Figure 15-16
|
Loading a HIDAM Database That Has Logical Relationships
|
272
|
|
Figure 15-17
|
Loading a Database That Has Secondary Indexes
|
273
|
|
Figure 15-18
|
Loading a Database That Has Logical Relationships and Secondary Indexes
|
274
|
|
Figure 16-1
|
General MPP Structure and Flow
|
282
|
|
Figure 17-1
|
Message Formatting Using MFS
|
299
|
|
Figure 17-2
|
MFS Utilities and Their Output
|
301
|
|
Figure 17-3
|
Overview of the MFS Online Environment
|
302
|
|
Figure 17-4
|
Overview of the MFS Test Environment
|
303
|
|
Figure 17-5
|
MFS Input Formatting
|
306
|
|
Figure 18-1
|
DLIModel Utility Inputs and Outputs
|
313
|
|
Figure 18-2
|
JMP Application Example
|
314
|
|
Figure 18-3
|
JBP Application Example
|
316
|
|
Figure 18-4
|
WebSphere Application Server for z/OS EJB Using the IMS Java Function
|
318
|
|
Figure 18-5
|
The IMS Java Function and WebSphere Application Server Components
|
319
|
|
Figure 18-6
|
DB2 UDB for z/OS Stored Procedure Using IMS Java
|
320
|
|
Figure 18-7
|
CICS Application Using IMS Java
|
321
|
|
Figure 18-8
|
Overview of XML Storage in IMS
|
322
|
|
Figure 18-9
|
Creating XML Using the retrieveXML UDF and the getClob Method
|
322
|
|
Figure 18-10
|
How XML Is Decomposed and Stored in IMS Segments
|
324
|
|
Figure 18-11
|
Intact Storage of XML with a Secondary Index
|
326
|
|
Figure 19-1
|
Overview of the Preprocessor Stage of the System Definition Process
|
330
|
|
Figure 19-2
|
Overview of Stage 1 and Stage 2 of the System Definition Process
|
331
|
|
Figure 19-3
|
Static Resources: Node and Static Terminals
|
340
|
|
Figure 19-4
|
ETO Dynamic Resources: User and Dynamic Terminals
|
341
|
|
Figure 19-5
|
Summary of ETO Implementation
|
345
|
|
Figure 22-1
|
Inputs and Outputs of the Log Archive Utility
|
370
|
|
Figure 23-1
|
Logs Produced for Recovery and Restart
|
382
|
|
Figure 23-2
|
How DBRC Works with the Database Recovery Utility
|
386
|
|
Figure 23-3
|
DBRC's Role in Utility Execution
|
390
|
|
Figure 23-4
|
Example of a RECON Data Set Definition
|
399
|
|
Figure 23-5
|
Example JCL for Allocating RECON Data Sets Dynamically
|
400
|
|
Figure 24-1
|
Sample Program Isolation Trace Report
|
417
|
|
Figure 27-1
|
Example of Sysplex Data Sharing with Four IMSs
|
470
|
|
Figure 27-2
|
Moving a Dependent Region Between IMSs
|
471
|
|
Figure 27-3
|
Example of a Dependent Region Running with a Different Control Region
|
472
|
|
Figure 27-4
|
Sample FDBR Configuration
|
473
|
|
Figure 27-5
|
Example of VTAM USERVAR Exit Routing IMS Logons
|
476
|
|
Figure 27-6
|
VTAM Generic Resources Distributing IMS Logons in a Sysplex
|
477
|
|
Figure 27-7
|
TN3270 Client Connecting to IMS
|
479
|
|
Figure 27-8
|
IND Connecting to Multiple IMSs through IMS Connect
|
480
|
|
Figure 27-9
|
Web Connections to IMS Using the Sysplex Distributor and IMS Connect
|
481
|
|
Figure 27-10
|
VTAM Sessions of Three IMSs Connected Using MSC
|
482
|
|
Figure 27-11
|
A Single IMS with a Single Message Queue
|
484
|
|
Figure 27-12
|
Two IMSs Accessing One Message Queue on a Coupling Facility
|
484
|
|
Figure 27-13
|
SNPS Example Scenario: Logon Is Not Terminated When Its IMS Fails
|
486
|
|
Figure 27-14
|
MNPS Example Scenario: Logon Is Not Terminated When Its IMS Fails
|
487
|
|
Figure 27-15
|
ARM Restarting an Abended IMS
|
489
|
|
Figure 27-16
|
ARM Restarting IMS, CICS, and DB2 after a z/OS Failure
|
490
|
|
Figure 27-17
|
Three IMSs on Three z/OSs Sharing One IRLM Lock Structure on a Coupling Facility
|
491
|
|
Figure 27-18
|
IRLM Structure on Failed Coupling Facility Is Rebuilt on Another Coupling Facility
|
492
|
|
Figure 27-19
|
IRLM Structure Rebuilt on Another Coupling Facility After a Connectivity Failure
|
492
|
|
Figure 27-20
|
Shared VSO Structure Duplexed on Two Coupling Facilities
|
493
|
|
Figure 27-21
|
System-Managed Duplicate Shared VSO Structure Is Used After a Coupling Facility Failure
|
494
|
|
Figure 28-1
|
Sample IMSplex Configuration with a CSL
|
497
|
|
Figure 28-2
|
Minimum CSL Configuration for an IMSplex
|
499
|
