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Figure 6 When the tiering policy level of 1 is specified for a three-tier volume
If the tiering policy level of 2 is specified for a volume that has three tiers, pages are moved between
tiers 1 and 2 according to the access frequency, as shown in the figure below. After pages are moved,
these pages are moved between tiers 1 and 2 according to the access frequency each time tier
relocation is performed.
Figure 7 When the tiering policy level of 2 is specified for a three-tier volume
The following shows the relationship between tiering policy levels and the tiers in which data will be
located.
Table 1 Relationship between tiering policy levels and tiers in which data will be located
Tier in which data will be located
Tiering policy level
2-tier configuration3-tier configuration
All tiers (tiers 1 and 2)All tiers (tiers 1, 2, and 3)0
Tier 1Tier 11
All tiers (tiers 1 and 2)Tiers 1 and 22
All tiers (tiers 1 and 2)Tier 23
All tiers (tiers 1 and 2)Tiers 2 and 34
Tier 2Tier 35
Note:
The smaller the tier number, the higher the tier. For example, if an SSD device and an SAS device
make up a tiered volume, the SSD device is Tier 1, and the SAS device is Tier 2.
About the new-page assignment tier
The new-page assignment tier is the tier to which new pages are assigned the first time the host writes
data to the volume.
Overview of Smart Manager for Mainframe20
- 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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