AMCC 3ware 9650SE-2LP Guide de l'utilisateur Page 140
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Configuring Units
128 3ware SAS/SATA RAID Software User Guide, Version 9.5.1
Changing An Existing Configuration by
Migrating
You can convert one RAID configuration into another while the unit is online.
This process is known as RAID Level Migration (RLM).
You can use RAID Level Migration to make two main types of configuration
changes:
• RAID Level (for example, a RAID 1 to a RAID 5)
• Unit Capacity Expansion (for example, adding a 4th drive to a 3-drive
RAID 5)
You can also use RLM to change the stripe size of a unit.
This section includes the following topics about changing existing
configurations:
• RAID Level Migration (RLM) Overview
• Changing RAID Level
• Expanding Unit Capacity
• Informing the Operating System of Changed Configuration
If you want to change the policy settings for an existing unit, there is no need
to change the configuration. See “Setting Unit Policies” on page 116.
RAID Level Migration (RLM) Overview
RAID level migration is the process of converting one RAID configuration to
another. When you migrate a unit to a different configuration, the user data on
it is redistributed to the format of the new configuration. This data
redistribution process is a background task, similar to the rebuild or verify
processes.
Figure 57 shows an example of how data is reconfigured during a migration.
In this example, the migration is from a 3-drive RAID 0 to a 4-drive RAID 5,
with both having the same stripe size. As can be seen, every piece of user data
is moved from its original physical location.
Note: A unit being migrated can still be used (I/O still continues), however the
performance will be affected while the migrating task is active. You can control how
much effect this has on performance by setting the background task rate. For more
information, see “Setting Background Task Rate” on page 112.
- User Guide 1
- Copyright 2
- Trademarks 2
- Disclaimer 2
- Table of Contents 3
- About this User Guide 9
- Conventions 11
- Screenshots 11
- Click the Show Navigation 12
- Contents 12
- Introducing the 3ware 13
- SATA RAID Controller 13
- System Requirements 14
- Drive Requirements 15
- Enclosure Requirements 16
- Operating System 16
- Other Requirements 16
- RAID Concepts 17
- Available RAID Configurations 18
- Single Disk 23
- Hot Spare 23
- Support for Over 2 Terabytes 26
- Management 27
- Monitoring, Maintenance, and 28
- Troubleshooting Features 28
- Getting Started with Your 30
- 3ware RAID Controller 30
- Using 3BM 34
- Figure 8. 3ware BIOS Screen 35
- Specifying a Hot Spare 42
- What Next? 43
- Driver Installation 44
- Materials Required 45
- Driver Installation 46
- Computer 46
- AutoPlay 46
- Agree at the AMCC 48
- Install Windows Drivers 48
- 3 Click Next 49
- Found New Hardware wizard 50
- Available to Windows 53
- Obtaining 3ware Linux Drivers 55
- Materials required 56
- Different Device 58
- Instructions 58
- 3ware BIOS Manager (3BM) 72
- Introduction 72
- F8 or Esc key 74
- Working in the 3BM Screens 75
- Table 7: Working in 3BM 77
- BIOS Loading Options 79
- Options for Entering BIOS 79
- Changing BIOS Settings 79
- Getting Help While Using 3BM 81
- 3DM 2 (3ware Disk Manager) 82
- Setting up Mozilla Firefox 83
- Installing 3DM 84
- Starting 3DM and Logging In 84
- Working with the 3DM Screens 87
- 3DM Menus 88
- Refreshing the Screen 90
- Table 8: List of 3DM Pages 92
- Setting Up 3DM Preferences 93
- Notification 95
- Setting the Listening Port # 96
- About Controller Policies 100
- Viewing Controller Policies 102
- Configuring Your Controller 106
- Auto-Carving 107
- Exporting JBOD Disks 108
- Changing the Phy Link Speed 111
- Configuring Units 113
- Name of the unit (optional) 115
- Boot volume size 115
- Multiple Volumes 116
- Initialization Method 116
- Unit policies 116
- Creating a Unit through 3DM 117
- Creating a Unit through 3BM 119
- Ordering Units in 3BM 123
- Creating a Hot Spare 125
- Naming a Unit 127
- Setting Unit Policies 128
- When Rebuilding) 133
- About StorSave Profile Levels 136
- Rapid RAID Recovery 138
- Migrating 140
- Changing RAID Level 142
- Expanding Unit Capacity 143
- Configuration 144
- Deleting a Unit 145
- Deleting a Unit through 3DM 146
- Deleting a Unit through 3BM 147
- Removing a Unit 148
- Removing a Unit Through 3DM 149
- Removing a Unit Through 3BM 150
- 9650SE or 9690SA Controller 151
- Controller 153
- Adding a Drive 154
- Removing a Drive 155
- Rescanning the Controller 157
- Maintaining Units 158
- Viewing a List of Drives 160
- Unit Statuses 162
- Drive Statuses 163
- About Inoperable Units 164
- Monitor > Alarms 167
- Downloading an Error Log 169
- About Initialization 170
- Background Tasks 171
- About Verification 174
- What Verification Does 175
- How Errors Are Handled 176
- Using Auto Verification 176
- Starting a Verify Manually 177
- Rebuilding Units 179
- Rebuilding a Unit Through 3DM 180
- Rebuilding Units through 3BM 181
- Different Drive 184
- Setting Background Task Rate 184
- Scheduling Background Tasks 185
- Scheduled Task Duration 186
- Schedule 187
- Wednesday (slot-1) 189
- Tasks column 190
- Maintaining Your Controller 191
- Download Released Software 193
- 3ware Bootable CD 195
- Under Windows 196
- Only the firmware is 199
- Have Disk… button 204
- Fedora Core 207
- Viewing Battery Information 214
- Testing Battery Capacity 215
- Managing an Enclosure 218
- Viewing a List of Enclosures 219
- Fan Status 221
- Temp Sensor Status 222
- Power Supply Status 222
- Slot Summary 222
- 3DM 2 Reference 224
- Controller Summary page 225
- Controller Details page 226
- Unit Information page 227
- Unit Details page 229
- Drive Information page 231
- Extra Drive Information 233
- SMART Data 234
- Controller Phy Summary page 235
- Controller Settings page 236
- Background Task Rate 237
- Unit Policies 237
- Unit Names 238
- Other Controller Settings 239
- Scheduling page 240
- Task Schedules 241
- Self-test Schedules 242
- Maintenance page 243
- Unit Maintenance 244
- Unit Information 244
- Drive Information 245
- Maintenance Task Buttons 246
- Create Unit 249
- Alarms page 252
- Battery Backup page 253
- Enclosure Summary page 255
- Enclosure Details page 256
- Enclosure ID 257
- Fan Summary 257
- Temp Sensor Summary 257
- Power Supply Summary 258
- 3DM 2 Settings page 259
- E-mail Notification 260
- Password 260
- Page Refresh 261
- Remote Access 261
- HTTP Settings 261
- Troubleshooting 262
- Command Logging 264
- Types of DPM Statistics 265
- Available DPM Commands 265
- Enclosure-Related Problems 267
- Problems in 3DM and 3BM 269
- 0002 Degraded unit 276
- 0004 Rebuild failed 277
- 0005 Rebuild completed 278
- 0006 Incomplete unit detected 278
- 0007 Initialize completed 279
- 0009 Drive timeout detected 280
- 000A Drive error detected 280
- 000B Rebuild started 281
- 000C Initialize started 281
- 000E Initialize failed 282
- 000F SMART threshold exceeded 282
- 0019 Drive removed 283
- 001A Drive inserted 283
- 001E Unit inoperable 284
- 001F Unit Operational 284
- 0021 Downgrade UDMA mode 285
- 0022 Upgrade UDMA mode 286
- 0023 Sector repair completed 286
- 0026 Drive ECC error reported 288
- 0028 DCB version unsupported 289
- 0029 Verify started 289
- 002A Verify failed 290
- 002B Verify completed 291
- Properties> 292
- Tools> Check Now 292
- 0030 Drive not supported 293
- 0032 Spare capacity too small 294
- 0033 Migration started 294
- 0034 Migration failed 294
- 0035 Migration completed 295
- 0037 SO-DIMM not compatible 296
- 0038 SO-DIMM not detected 296
- 003B Rebuild paused 298
- 003C Initialize paused 298
- 003D Verify paused 299
- 003E Migration paused 299
- 0045 Battery voltage is low 302
- 0046 Battery voltage is high 302
- 0055 Battery charging started 308
- 0057 Battery charging fault 309
- 005A Battery is present 310
- 005B Battery is not present 310
- 005C Battery is weak 311
- 0062 Enclosure removed 312
- 0063 Enclosure added 312
- 0064 Local link up 313
- 0065 Local link down 313
- 8000 Enclosure fan normal 313
- 8001 Enclosure fan error 313
- 8002 Enclosure fan removed 314
- 8003 Enclosure fan added 314
- 8004 Enclosure fan unknown 314
- 8005 Enclosure fan off 315
- 8020 Enclosure temp normal 315
- 8021 Enclosure temp low 316
- 8022 Enclosure temp high 316
- 8025 Enclosure temp removed 317
- 8026 Enclosure temp added 318
- 8027 Enclosure temp critical 318
- 8028 Enclosure temp unknown 319
- 8030 Enclosure power normal 319
- 8031 Enclosure power fail 319
- 8032 Enclosure power removed 320
- 8033 Enclosure power added 320
- 8034 Enclosure power unknown 320
- 8037 Enclosure power off 321
- 8040 Enclosure voltage normal 321
- 8041 Enclosure voltage over 322
- 8042 Enclosure voltage under 322
- 8044 Enclosure current normal 323
- 8045 Enclosure current over 323
- Appendices 325
- Glossary 326
- Software Installation 334
- /mnt/autorun 335
- Installing Software 339
- Next to continue 339
- /packages/installer/linux/x86 341
- Uninstalling 3ware Software 345
- Compliance and Conformity 347
- Statements 347
- Warranty, Technical Support 349
- Exclusions 350
- State Law Provisions 350
- Feedback on this manual 351
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