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IBM Z9 Mainframe Computer manual available for free PDF download: Planning Manual
IBM Z9 Planning Manual (274 pages)
Processor Resource/Systems Manager
Brand:
IBM
| Category:
Desktop
| Size: 7.5 MB
Table of Contents
Table of Contents
5
Figures
9
Environmental Notices
13
Product Recycling and Disposal
13
Refrigeration
15
Battery Return Program
15
Flat Panel Display
16
Monitors and Workstations
16
Laser Safety Information
13
Laser Compliance
13
Safety and Environmental Notices
13
Safety Notices
13
World Trade Safety Information
13
About this Publication
19
Terminology Used in this Publication
19
What Is Included in this Publication
21
Related Publications
22
Z/Architecture
22
Enterprise Systems Architecture/390 (ESA/390)
22
Hardware
22
Software
22
How to Send Your Comments
24
Summary of Changes
25
Chapter 1. Introduction to Logical Partitions
27
Overview
28
Prerequisites for Operation
28
Pr/Sm
28
Central Storage
28
Expanded Storage
28
Logical Partitioning
28
Central Processors
29
Crypto Features
29
Multiple Image Facility
29
Zseries Parallel Sysplex Support
30
Configurable Single Processor Crypto Express2
30
CP Crypto Assist Functions
30
Guest Coupling Simulation
31
Control Program Support in a Logical Partition
31
Z/Os
31
Z/VM
35
TPF (Transaction Processing Facility)
37
Z/Vse
37
Hardware Configuration Definition (HCD)
39
Linux
39
Input/Output Configuration Program (IOCP) Support
40
Hardware Support
40
Operator Training
40
Z/VM Dynamic I/O Configuration
40
Logical Partitions
41
Characteristics
41
Characteristics of Logical Partitions
43
Potential Applications
44
Migration of Four Production Systems to Lps
45
Support for Three XRF Systems
45
Examples of Logical Partition Applications
45
Compatibility and Migration Considerations
46
Device Numbers
46
Multiple Subchannel Sets (MSS)
46
Control Programs
46
Z/Os
46
Erep
47
CPU Ids and CPU Addresses
48
CPU ID Format
48
CPU Identification Number Format
48
CPU ID Fields
48
CPU Ids for a Z9 EC
49
Examples of CPU ID Information
49
HSA Allocation
50
HSA Estimation Tool
50
TOD Clock Processing
51
No Sysplex Timer Attached and Server Time Protocol Not Enabled
51
Server Time Protocol Enabled
51
Sysplex Timer Attached
51
Synchronized Time Source and the Coupling Facility
52
Sysplex Testing Without a Sysplex Timer and Server Time Protocol Not Enabled
52
Extended TOD-Clock Facility
52
Chapter 2. Planning Considerations
55
HCD Function Support
57
Control Program Support
57
Hardware Configuration Definition (HCD) Support
57
Overview
57
Planning the I/O Configuration
57
Planning Considerations
57
Z/VM Dynamic I/O Support for MIF and the Coupling Facility
58
Z/VM Dynamic I/O Configuration Support
58
Characteristics of an IOCDS
58
Input/Output Configuration Program (IOCP) Support
58
Maximum Number of Logical Partitions
59
Determining the Size of the I/O Configuration
59
Guidelines for Setting up the I/O Configuration
59
Maximum Size of the I/O Configuration
59
Recovery Considerations
60
Managing Logical Paths for ESCON and FICON Channels
61
Control Unit Allocation of Logical Paths
61
Definition
61
Why Manage Logical Paths
61
Logical Path Summary by Control Unit
62
An ESCON Configuration that Can Benefit from Better Logical Path Management
63
A Shared ESCON Configuration that Can Benefit from Better Logical Path Management
64
Managing the Establishment of Logical Paths
65
Logical Path Considerations
65
Recommendations
66
Deactivating Unneeded Logical Partitions
68
Configuring Offline Unneeded Channels or Shared Channels on an LP Basis
69
Defining Devices to a Subset of Logical Partitions
71
Defining Devices to a Subset of Logical Partitions
72
Using the ESCD to Manage Logical Paths by Prohibiting Dynamic Connections
74
Shared Channel Overview
75
MIF Requirements
75
Understanding ESCON and MIF Topologies
75
Progression of Busy Condition Management Improvements
76
MIF Performance Planning Considerations
76
MIF Maximum Channel Requirements
77
Consolidating ESCON Channels and ESCON Control Unit Ports
78
Consolidating ESCON Channels and ESCD Ports
79
Consolidating ESCON Channels Used for ESCON CTC Communications
80
Unshared ESCON or FICON Channel Recommendations
81
Dynamically Managed Chpids
81
IOCP Coding Specifications
82
IOCP Statements for ICP
82
Shared Devices Using Shared ESCON Channels
85
Shared Devices Using Shared Channels
85
Shared Devices Using Unshared Channels
85
Physical Connectivity of Shared Device 190
86
Duplicate Device Numbers for Different Physical Devices
87
Logical View of Shared Device 190
87
LPAR Configuration with Duplicate Device Numbers
88
Duplicate Device Numbers for Console
89
Two Examples of Duplicate Device Number Conflicts
90
Coupling Facility Planning Considerations
93
Test or Migration Coupling Configuration
93
CFCC Enhanced Patch Apply
93
Production Coupling Facility Configuration
94
Production Coupling Facility Configuration for Full Data Sharing
94
Production Coupling Facility Configuration for Resource Sharing
94
Internal Coupling Facility (ICF)
95
Dynamic Internal Coupling Facility (ICF) Expansion
96
Dynamic Coupling Facility Dispatching (DCFD)
96
Enhanced Dynamic ICF Expansion Across Icfs
97
System-Managed Coupling Facility Structure Duplexing
98
Single CPC Software Availability Sysplex
98
Coupling Facility Nonvolatility
99
Coupling Facility Mode Setting
99
Nonvolatility Choices for Coupling Facility Lps
99
Nonvolatility Choices
99
Setting the Conditions for Monitoring Coupling Facility Nonvolatility Status
99
Coupling Facility LP Definition Considerations
100
Coupling Facility Mode Setting
100
Internal Coupling Facility (ICF)
100
Coupling Facility LP Storage Planning Considerations
101
Structures, Dump Space, and Coupling Facility LP Storage
101
Dump Space Allocation in a Coupling Facility
102
Coupling Facility LP Storage Definition Capabilities
102
Estimating Coupling Facility Structure Sizes
102
Coupling Facility LP Activation Considerations
103
Coupling Facility Shutdown Considerations
103
Coupling Facility LP Operation Considerations
103
Coupling Facility Control Code Commands
104
Coupling Facility Level (CFLEVEL) Considerations
104
CPC Support for Coupling Facility Code Levels
104
CPC Support for Coupling Facility Code Levels
105
Level 15 Coupling Facility
106
Level 12 Coupling Facility
106
Level 13 Coupling Facility
106
Level 14 Coupling Facility
106
Level 10 Coupling Facility
107
Level 11 Coupling Facility
107
Level 8 Coupling Facility
107
Level 9 Coupling Facility
107
Coupling Facility Resource Management (CFRM) Policy Considerations
108
Coupling Facility Channels
108
Internal Coupling Channel
109
High-Performance Coupling Facility Channels (Hiperlinks)
110
Infiniband Coupling Links for Parallel Sysplex
110
Infiniband Host Channel Adapter (HCA)
110
Integrated Cluster Bus Channels
110
Coupling Facility Channels (TYPE=CFP, TYPE=CBP, TYPE=CIB, or TYPE=ICP)
111
Defining Internal Coupling Channels (TYPE=ICP)
112
I/O Configuration Considerations
112
Considerations When Migrating from ICMF to Ics
113
Linux Operating System Planning Considerations
113
Integrated Facility for Linux (IFL)
113
Z/VM Version 5 Utilizing IFL Features
114
System Z9 Application Assist Processor (Zaap)
114
Concurrent Patch
115
IBM System Z9 Integrated Information Processor (Ziip)
115
CFCC Enhanced Patch Apply
116
Dynamic Capacity Upgrade on Demand
116
PR/SM Shared Partitions
117
Mixed Shared and Dedicated PR/SM Partitions
117
Multiple Dedicated PR/SM Partitions
118
Shared Internal Coupling Facility
118
Dynamic Capacity Upgrade on Demand Limitations
119
Capacity Backup Upgrade (CBU) Capability
120
Concurrent Memory Upgrade
120
Enhanced Book Availability
121
Preparing for Enhanced Book Availability
121
Getting the System Ready to Perform Enhanced Book Availability
121
Example of a Prepare for Enhanced Book Availability Results Panel
122
Reassigning Non-Dedicated Processors
123
Customer Initiated Upgrade (CIU)
124
Concurrent Processor Unit Conversion
124
Planning for Hot Plugging Crypto Features
125
Chapter 3. Determining the Characteristics of Logical Partitions
127
Planning Overview
130
Dedicated and Shared Central Processors (Cps)
130
Dedicated and Shared Channel Paths
130
ITR Performance
130
Performance Considerations
130
Recovery Considerations
131
Determining the Characteristics
131
Capped Logical Partitions
131
Control Program Support
131
IOCDS Requirements
132
Logical Partition Identifier
132
Control Program Support on Z9
132
Mode of Operation
133
Single Storage Pool
133
Storage Configurations
133
Storage Resources
133
Central Storage
134
Central Storage Granularity
134
Initial Central Storage
134
Central Storage Origin
135
Reserved Central Storage
135
Expanded Storage
136
Initial Expanded Storage
136
Expanded Storage Origins
137
Reserved Expanded Storage
137
Dynamic Storage Reconfiguration
138
Central Storage Layout
140
Central Storage Dynamic Storage Reconfiguration Examples
140
Reconfigured Central Storage Layout
141
Initial Central Storage Layout
142
Central Storage Layout Following Reconfiguration
143
Initial Central Storage Layout
144
Central Storage Layout Following Reconfiguration
145
Expanded Storage Layout
146
Expanded Storage Dynamic Storage Reconfiguration Examples
146
Reconfigured Expanded Storage Layout
147
Expanded Storage Layout
148
Initial Central Storage Layout
149
Initial Expanded Storage Layout
149
Central Storage Layout Following Reconfiguration
150
Expanded Storage Layout Following Reconfiguration
151
Recommendations for Storage Map Planning
151
Cpcs with the Sysplex Failure Manager (SFM)
152
TARGETSYS(ALL) Examples
152
Backup Partition Layout after Nonspecific Deactivation
153
Maximum Number of Central Processors
154
Number of Central Processors
154
Central Processor Recommendations for Intelligent Resource Director (IRD)
155
Workload Requirements
155
Processor Considerations for Coupling Facility Lps
156
Processor Considerations for Linux-Only Lps
156
Coupling Facility Lps Using Dedicated Central Processors (Cps) or Dedicated Internal Coupling Facility (ICF) Cps
157
Coupling Facility Lps Using Shared Central Processors (Cps) or Shared Internal Coupling Facility (ICF) Cps
157
Considerations for Coupling Facilities Running on Uniprocessor Models
159
Coupling Facility Lps Using Dynamic ICF Expansion
160
Dedicated Central Processors
161
Processor Considerations for Lps with Multiple CP Types
161
Shared Central Processors
162
Suitable Workloads
162
Processing Weights
163
Enforcement of Processing Weights
165
Processing Weight Management
165
Backup Partition Layout before Nonspecific Deactivation
153
PR/SM LPAR Processor Weight Management with Processor Resource Capping
166
Processing Weight Management Examples
166
PR/SM LPAR Processor Weight Management Without Processor Resource Capping
167
Maintaining the same Relative Percentages of CPU Resources
168
Example of Maintaining Relative Weight of a Capped Logical Partition
168
Processor Running Time
169
Wait Completion
170
Workload Manager LPAR CPU Management of Shared Cps
171
Recommendations on Setting up an LPAR Cluster
172
Workload Charging by Soft-Capping to a Defined Capacity
172
Enabling Management of Linux Shared Logical Processors by Wlm's LPAR CPU Management Component
173
Channel Path Access and Candidate Lists
174
Defining Shared Channel Paths
174
Communicating by Means of ESCON or FICON CTC
175
I/O Device Candidate List
175
Procedure for Defining Shared Channel Paths
175
Dynamic CHPID Management (DCM) Considerations
176
I/O Priority Recommendations
176
Logical Partition Isolation
176
Security-Related Controls
176
Cross-Partition Authority
177
Global Performance Data Control Authority
177
I/O Configuration Control Authority
177
Assigning Channel Paths to a Logical Partition
178
Dynamic I/O Configuration
178
Managing Dynamic I/O Configuration
178
Planning and Operation Considerations
178
Channel Path Reconfiguration and Logical Partition Activation
179
Coupling Facility Logical Partitions
179
Dynamic I/O Configuration Effects on Channel Path Reconfiguration
179
ESA/390 Logical Partitions
179
Automatic Channel Path Reconfiguration
180
Automatic Load for a Logical Partition
181
Defining Logical Partitions
181
Global Reset Profile Definitions
183
Options Page Definitions
183
Parameter Descriptions
184
Parameter Descriptions
185
Partitions Page Definitions
185
Partitions Page, Reset Profile
185
General
186
Parameter Descriptions
186
Parameter Descriptions
187
Time Offset, Image Profile
187
Processor Characteristics
189
ESA Mode Logical Partition with Shared Central Processors (Cps), Integrated Facilities for
189
Processor Page Definitions
189
Customization for a Linux-Only Mode Logical Partition with Shared Integrated Facilities for Linux (Ifls). There Can be both an Initial and Reserved Specification for the Ifls
190
Customization for a Coupling Facility Mode Logical Partition with Dedicated Internal Coupling
191
Facilities (Icfs) and Shared Central Processors. There Can be both an Initial and Reserved Specification for the Icfs and the Central Processors
191
Parameter Descriptions
191
Security Characteristics
194
Security Page, Image Profile
195
Parameter Descriptions
196
Establishing Optional Characteristics
197
Parameter Descriptions
198
Central Storage Parameter Descriptions
199
Storage Characteristics
199
Expanded Storage Parameter Descriptions
200
Load Information
201
Parameter Descriptions
201
Cryptographic Characteristics
203
Parameter Descriptions
203
Example Selection of Crypto Numbers
205
LPAR & Crypto Assignments
205
Changing Logical Partition Input/Output Priority Queuing Values
207
Enabling Input/Output Priority Queuing
207
Change LPAR I/O Priority Queuing
207
Parameter Descriptions
208
Moving Unshared Channel Paths
209
Moving a Channel Path from the Hardware Console
209
Moving Unshared Channel Paths from a Z/Os System
209
Releasing Reconfigurable Channel Paths
209
Changing Logical Partition Definitions
210
Changes Available Dynamically to a Running LP
210
Changes Available at the Next LP Activation
211
Changes Available at the Next Power-On Reset (POR)
212
Chapter 4. Operating Logical Partitions
213
Configuring Shared Channel Paths
210
Deconfiguring Shared Channel Paths
210
Removing Shared Channel Paths for Service
210
Available Operator Controls
214
Overview
214
Operator Controls Not Available
216
Activating a CPC
217
Activating an LP
217
Editing Activation Profiles
217
Operator Tasks
217
Performing a Load on an LP or Activating a Load Profile
217
Deactivating an LP
218
Locking and Unlocking an LP
218
Deactivating a CPC
219
Chapter 5. Monitoring the Activities of Logical Partitions
221
Monitoring Logical Partition Activity
222
Reviewing Current Storage Information
222
Overview
222
Storage Information Task
222
Reviewing and Changing Current Channel Status
223
Reviewing and Changing Current Logical Partition Controls
223
Reviewing and Changing Current Logical Partition Group Controls
223
Change Logical Partition Controls Page
223
Change LPAR Group Controls
224
Reviewing and Changing Current Logical Partition Security
225
Change Logical Partition Security Page
225
Reviewing Current Logical Partition Cryptographic Controls
226
Reviewing Current System Activity Profile Information
226
View LPAR Cryptographic Controls Page
226
Reviewing and Changing Logical Partition I/O Priority Values
227
Change LPAR I/O Priority Queuing Page
227
ETR Increasing with CPU Utilization
228
Cpenable
229
Dedicated and Shared Central Processors
229
Start Interpretive Execution (SIE) Performance
229
Logical Partition Performance
228
RMF LPAR Management Time Reporting
228
Recovery Strategy
230
Operation Considerations
230
Application Preservation
231
Transparent Sparing
231
Appendix A. Coupling Facility Control Code Support
233
Coupling Facility Limits at Different Coupling Facility Code Levels
233
Legend
233
Appendix B. Developing, Building, and Delivering a Certified System
235
Creating Common Criteria-Based Evaluations
235
Functional Characteristics
236
Trusted Configuration
236
Central and Expanded Storage
238
System Z9 PR/SM Characteristics
238
I/O Security Considerations
239
IOCDS Considerations
239
Operational Considerations
240
Input/Output Configuration Data Set (IOCDS
242
LPAR Input/Output Configurations
242
Activation
243
Control Authority
243
Reconfiguring the System
244
Trusted Facility Library
248
Trusted Facility Library for PR/SM
248
Appendix C. Notices
251
Trademarks and Service Marks
252
Electronic Emission Notices
253
Glossary
257
Index
269
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