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Figure 5 Overview of tiering policies
A tiering policy can be specified by using a tiering policy information CSV file. In a tiering policy
information CSV file, the following information can be specified:
• Where data is to be located (tiering policy level)
• Tier to which new pages are to be assigned (new-page assignment tier)
• Whether to execute tier relocation
Related topics
• About tiering policy levels, page 19
• About the new-page assignment tier, page 20
• Format of tiering policy information CSV files, page 183
About tiering policy levels
Tiering policy levels indicate categories of tiers in which data can be located. There are six tiering
policy levels, from 0 (default) to 5. If a tiering policy level is specified, data is located in the tier or
tiers with the specified level when tier relocation is performed.
For example, if the tiering policy level of 1 is specified for a volume that has three tiers, all pages on
the volumes are moved to Tier 1, as shown in the following figure. Pages that have been moved will
not be moved to other tiers when tier relocation is performed again.
User Guide 19
- User Guide 1
- DescriptionEditionVersionDate 2
- Contents 3
- User Guide 9 9
- User Guide 13 13
- Preface14 14
- Mainframe 15
- About tiering policy groups 18
- About tiering policies 18
- About tiering policy levels 19
- Prerequisite OS 21
- Prerequisite hardware 21
- Prerequisite programs 22
- 2 Installation and setup 27
- Postrequisites 31
- Registering a user SVC 38
- ISPF panel 45
- Registering licenses 47
- JCL example 52
- Calculating required memory 53
- Manager is installed 56
- Installation and setup58 58
- Convenient use of list panels 85
- Searching character strings 86
- Customizing the ISPF panels 88
- CLI commands 91
- Procedure 100
- Reference scripts 100
- Example : 100
- Related topics 100
- Example 1: 101
- Example 2: 101
- Example: 102
- Prerequisites 104
- 5 ISPF panels 107
- Common items in the panel 108
- About the action bar 109
- About point-and-shoot field 111
- ISPF panels112 112
- Pools exceeding threshold 113
- About the display unit 114
- Device Scan Scope panel 115
- Edit Defaults panel 116
- Error Code Help panel 116
- Exception Message List panel 117
- Main panel 118
- Installation Management area 119
- Set Defaults area 119
- Storage System List area 120
- Policy CSV List area 121
- Manage Licenses panel 123
- Policy ID Entry panel 124
- Pool Selection List panel 125
- Pool Status Detail panel 125
- DescriptionItem 126
- Setting Information panel 127
- Basic Information 131
- Tiering Policy Information 135
- Volume Selection List panel 136
- Volume Status Detail panel 137
- Information Per Tier 138
- 6 CLI commands 139
- CLI command coding format 141
- REXX external routine details 142
- KTDCTDEV 143
- Command type 144
- Parameters 144
- Return codes 144
- KTDCTTPG 145
- KTGETHDA 146
- Reference note 147
- KTIMPORT 148
- Function 150
- KTQRYDEV 153
- KTQRYRLC 155
- KTQRYTPG 157
- KTQSTATS 158
- STEM(stem-name-1) 160
- MSG(stem-name-2) 160
- CLI commands160 160
- CLI commands164 164
- KTWTOMSG 167
- TSO/E command details 168
- Output items 170
- DescriptionOutput item 171
- User Guide 171 171
- KTERCODE 172
- KTINSCHK 173
- User Guide 175 175
- OS console command details 176
- KTALCSVC 177
- KTDSPENV 177
- Execution examples 178
- KTSETENV 179
- Record priority 185
- Examples 186
- Before the change: 192
- After the change: 192
- 8 REXX variable structures 193
- When the structure is created 194
- Prefix of the structure name 194
- DescriptionREXX variable name 198
- Device information structure 201
- REXX variable structures202 202
- Collecting trace information 203
- Collecting event logs 205
- Setting LOGR couple data sets 207
- Defining a log stream 207
- Control statement examples 215
- Collecting ISPF logs 218
- User Guide 221 221
- Contacting HP 223
- Related information 223
- Conventions 224
- User Guide 225 225
- APIInfo element 227
- DiskDevice element 227
- HostDiscoveredArray element 228
- SoftwareKeys element 229
- POOL element 229
- PoolTier element 230
- HostAddressedDisk element 230
- TieringPolicyGroup element 231
- TieringPolicy element 231
- DescriptionAttribute name 232
- User Guide 233 233
- Specification examples 236
- LOCATE[ locate-string] 237
- C Sample scripts 243
- Details about sample scripts 244
- User Guide 245 245
- User Guide 247 247
- User Guide 249 249
- User Guide 251 251
- User Guide 253 253
- User Guide 255 255
- User Guide 257 257
- User Guide 259 259
- User Guide 261 261
- User Guide 263 263
- User Guide 265 265
- User Guide 267 267
- User Guide 269 269
- User Guide 271 271
- User Guide 273 273
- Sample scripts274 274
- Creating a backup 276
- Removing the library linkage 278
- E Modifying the sample JCL 281
- User Guide 293 293
- User Guide 297 297
- User Guide 299 299
- Modifying the sample JCL300 300
- F Command syntax descriptions 301
- ConventionSymbol 302
- Table 60 Syntax elements 302
- Glossary 303
- Glossary304 304
- Glossary306 306
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