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Compaq HSZ80 Array Controller ACS Version 8.3 Configuration and CLI Reference Guide
UNMIRROR
Converts a one-member mirrorset back to a non-mirrored disk drive and deletes its
mirrorset from the list of known mirrorsets. This command can be used only on
mirrorsets already members of higher-level containers (stripesets or units).
The UNMIRROR command is not valid for disk drives having a capacity greater than
the capacity of the existing mirrorset. If a mirrorset is comprised of disk drives with
different capacities, the mirrorset capacity is limited to the size of the smallest
member; larger members contain unused capacity. If a member with unused capacity
is the last remaining member of a mirrorset, the UNMIRROR command cannot be
used to change the disk drive back to a single-disk unit. This change would cause a
change in the reported disk capacity, possibly corrupting user data.
Syntax
UNMIRROR disk-name
Parameter
disk-name
Specifies the name of the normal mirrorset member to be removed from a mirror
storageset.
Example
This example shows how to convert DISK10300 back to a single device:
UNMIRROR DISK10300
- First Edition (December 1998) 1
- Compaq Computer Corporation 1
- Chapter 1 5
- Chapter 2 5
- Chapter 3 6
- Chapter 4 6
- Chapter 5 7
- Appendix A 9
- Appendix B 9
- About This Guide 15
- Precautions 16
- VHDCI Cable Precautions 17
- Maintenance Port Precautions 17
- Conventions 18
- Special Notices 19
- Required Tools 20
- Related Publications 21
- Revision History 22
- General Description 23
- Typical Installation 24
- CXO6742A 25
- 1–4 General Description 26
- Summary of HSZ80 Features 27
- 1–6 General Description 28
- The HSZ80 Array Controller 29
- 1–8 General Description 30
- CXO6284B 31
- 1–10 General Description 32
- Ferrite bead 33
- Terminator 33
- Jumper cable 33
- Maintenance port cable 33
- Item Description 33
- 1–12 General Description 34
- Operator Control Panel 35
- Maintenance Port 36
- Utilities and Exercisers 37
- Disk Inline Exerciser 38
- Configuration Utility 38
- Clone Utility 38
- Field Replacement Utility 39
- Device Statistics Utility 39
- Cache Module 40
- CXO6306B 41
- Caching Techniques 42
- Write-Through Caching 43
- Write-Back Caching 43
- Nonvolatile Memory 44
- 1–24 General Description 46
- 1–26 General Description 48
- 1–28 General Description 50
- External Cache Battery 51
- Table 1–11 Location of Parts 52
- Charging Diagnostics 53
- Chapter 2 55
- A Few Tips 57
- CXO6285B 59
- Maintenance and Service Guide 60
- ID, MODE 61
- RUN FRUTIL 68
- Optional Steps 76
- UPS Support 78
- CXO5806B 79
- 1 2 3 4 5 6 81
- Other controller 82
- This controller 82
- Selecting a Failover Mode 83
- Selecting a Cache Mode 85
- Fault-Tolerance 86
- Host SCSI Bus 87
- Device SCSI Bus 88
- Using Preferred ID Numbers 89
- Creating Storagesets 91
- Disk drives 93
- 3–4 Creating Storagesets 94
- 3–6 Creating Storagesets 96
- Choosing a Storageset Type 98
- CXO5507A 99
- 3–10 Creating Storagesets 100
- CXO6235A 101
- 3–12 Creating Storagesets 102
- Mirror drives contain 103
- 3–14 Creating Storagesets 104
- Availability 105
- 3–16 Creating Storagesets 106
- Performance and Availability 108
- Cloning Data for Backup 110
- CXO5510A 111
- 3–22 Creating Storagesets 112
- 3–24 Creating Storagesets 114
- INITIALIZE DISKnnnn 115
- SAVE_CONFIGURATION 115
- 3–26 Creating Storagesets 116
- Controller: 117
- Host port_1: 117
- Host port_2: 117
- 3–28 Creating Storagesets 118
- NOTRANSPORTABLE 119
- LOCAL 119
- Size: 4108970 blocks 119
- Node IDs 120
- Storagesets 122
- D401 Disk 4 1 123
- D1207 Disk 12 7 123
- D5 Disk 0 5 123
- Creating a Storageset Map 124
- To create a storageset map: 125
- Controller 126
- 3–38 Creating Storagesets 128
- CXO6186A 129
- Planning Partitions 130
- Disk Drives 131
- Enabling Switches 132
- Changing Switches 132
- RAIDset Switches 133
- Membership 134
- Mirrorset Switches 135
- Copy Speed 136
- Read Source 136
- Disaster Tolerance Support 137
- Device Switches 138
- Device Transfer Rate 139
- Local/Remote 140
- Initialize Switches 141
- Increasing the Request Rate 142
- CXO-5172A-MC 143
- 3–54 Creating Storagesets 144
- Save Configuration 145
- Controller Configurations 146
- Destroy/Nodestroy 147
- Unit Switches 148
- Configuring Storagesets 149
- Introduction 150
- Configuring a Stripeset 151
- Configuring a Mirrorset 152
- Configuring a RAIDset 154
- 4–8 Configuring Storagesets 156
- 4–10 Configuring Storagesets 158
- SHOW storageset-name 159
- 4–12 Configuring Storagesets 160
- 4–14 Configuring Storagesets 162
- Enabling Autospare 163
- Deleting a Storageset 164
- Changing Device Switches 165
- Changing Initialize Switches 166
- Changing Unit Switches 166
- Finding the CCL Location 168
- Troubleshooting with the CCL 169
- SCSI-2 Mode 170
- SCSI-3 Mode 170
- Host Modes 171
- 4–24 Configuring Storagesets 172
- HSZ80 Array Controller ACS 173
- Version 8.3 Release Notes 173
- Transparent Failover Mode 174
- SET THIS PORT_1_ID = (1,2) 175
- SET THIS PORT_2_ID = (3,4) 175
- 4–28 Configuring Storagesets 176
- CXO6479A 177
- 4–30 Configuring Storagesets 178
- SET THIS PORT_1_ID = 1 179
- SET THIS PORT_2_ID = 2 179
- Multiple-Bus Failover Mode 180
- 4–34 Configuring Storagesets 182
- Moving Storagesets 183
- 4–36 Configuring Storagesets 184
- Name Storageset Uses Used by 185
- 4–38 Configuring Storagesets 186
- CLI Commands 187
- CLI Overview 188
- Getting Help 189
- Entering CLI Commands 189
- Unit Naming 190
- Changing the CLI Prompt 192
- Command Syntax 192
- ADD DISK 193
- Switches 194
- Examples 195
- See also 196
- ADD MIRRORSET 197
- 5–12 CLI Commands 198
- ADD PASSTHROUGH 202
- ADD RAIDSET 205
- ADD SPARESET 209
- ADD STRIPESET 210
- ADD UNIT 213
- 5–30 CLI Commands 216
- 5–32 CLI Commands 218
- CLEAR_ERRORS CLI 221
- CLEAR_ERRORS 222
- INVALID_CACHE 222
- UNKNOWN 224
- LOST_DATA 226
- UNWRITEABLE_DATA 228
- CONFIGURATION RESET 230
- CONFIGURATION RESTORE 231
- CONFIGURATION SAVE 233
- CREATE_PARTITION 234
- DELETE FAILEDSET 239
- DELETE SPARESET 240
- Parameter 241
- DESTROY_PARTITION 243
- DIRECTORY 245
- 5–60 CLI Commands 246
- Your options are: 247
- INITIALIZE 248
- Parameters 249
- 5–64 CLI Commands 250
- 5–66 CLI Commands 252
- 5–68 CLI Commands 254
- 5–72 CLI Commands 258
- POWEROFF 260
- 5–76 CLI Commands 262
- ■ No spare disks exist 263
- 5–82 CLI Commands 268
- RESTART 269
- RETRY_ERRORS 271
- SELFTEST 275
- Table 5–5 SET 278
- Switches (Continued) 278
- 5–94 CLI Commands 280
- 5–96 CLI Commands 282
- 5–98 CLI Commands 284
- 5–100 CLI Commands 286
- 5–106 CLI Commands 292
- SET FAILEDSET 294
- SET FAILOVER 296
- 5–114 CLI Commands 300
- SET MULTIBUS_FAILOVER 304
- SET NOFAILOVER 306
- SET NOMULTIBUS_FAILOVER 308
- RAIDset-name 310
- DT_SUPPORT 315
- 5–130 CLI Commands 316
- 5–132 CLI Commands 318
- 5–134 CLI Commands 320
- 5–140 CLI Commands 326
- SHOW THIS_CONTROLLER FULL 327
- 5–142 CLI Commands 328
- SHUTDOWN 329
- UNMIRROR 331
- System Profiles 333
- Device Profile 334
- Storageset Profile 335
- Enclosure Template 336
- Controller Specifications 337
- Environmental Specifications 339
- B–4 Controller Specifications 340
- Glossary 341
- GL–2 Glossary 342
- GL–4 Glossary 344
- GL–6 Glossary 346
- GL–8 Glossary 348
- GL–10 Glossary 350
- GL–12 Glossary 352
- GL–14 Glossary 354
- GL–16 Glossary 356
- GL–18 Glossary 358
- Index 362
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