Promise Technology VessRAID 1000s Series Manuel Page 355
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- Table des matières
- DEPANNAGE
- MARQUE LIVRES
Noté. / 5. Basé sur avis des utilisateurs
Chapter 9: Technology Background
335
RAID 6 – Block and Double Parity Stripe
RAID level 6 stores dual parity data is rotated across the physical drives along
with the block data. A RAID 6 logical drive can continue to accept I/O requests
when any two physical drives fail.
Figure 5. RAID 6 stripes all drives with data and dual parity
Hence, a RAID 6 logical drive with (7) 100 GB physical drives will have a capacity
of 500 GB. A RAID 6 logical drive with (4) 100 GB physical drives will have a
capacity of 200 GB.
RAID 6 becomes more capacity efficient in terms of physical drives as the
number of physical drives increases.
RAID 6 provides double fault tolerance. Your logical drive remains available when
up to two physical drives fail.
RAID 6 is generally considered to be the safest RAID level.
A RAID 6 on VessRAID consists of 4 to 32 physical drives.
Double Distributed (Wide-space Q+Q) Parity
Physical Drives
Data
Blocks
- VessRAID 1
- Copyright 2
- Recommendations 2
- Contents 11
- About This Manual 21
- VessRAID Model Line-up 22
- Disk Drive Support 25
- Controller Features 25
- External Ports 25
- RAID Support 26
- Management Tools 26
- Specifications 27
- Net Weight 29
- Carton Dimensions (H x W x D) 29
- Carton Weight 29
- Unpacking the VessRAID 31
- Power” on page 35 33
- Mounting VessRAID in a Rack 34
- Installing Disk Drives 37
- Installing Your Disk Drives 38
- Data Path 40
- Management Path 41
- Configuring a Data Path 45
- Configuring a Management Path 45
- SAS JBOD Expansion 52
- Connecting the Power 55
- Installing SmartNAVI 59
- Chapter 3: VessRAID Setup 61
- Default IP Addresses 62
- Setting up with the CLI 63
- Setting up with the CLU 65
- Making Automatic IP Settings 66
- Configuring the RAID 66
- Setting up with the LCD 67
- Logging into WebPAM PROe 69
- Choosing a Language 70
- Creating Your Logical Drives 71
- Automatic 72
- Advanced 73
- Logging out of WebPAM PROe 76
- Using the Header 81
- Using Tree View 81
- Using Management View 83
- Viewing the Event Frame 83
- Viewing Other Subsytems 85
- Logging into a Subsystem 85
- Hiding the Other Subsystems 85
- Working with Subsystems 86
- Viewing the Runtime Event Log 89
- Saving the Runtime Event Log 89
- Saving NVRAM Events 91
- Running Background Activities 92
- Running Media Patrol 93
- Viewing Scheduled Activities 94
- Scheduling an Activity 94
- Deleting a Scheduled Activity 95
- Viewing Lock Status 95
- Setting the Lock 96
- Renewing the Lock 96
- 3. Click the Submit button 97
- Making Your Own User Settings 99
- Changing Your Own Password 100
- Creating a User 101
- Deleting a User 102
- Viewing User Sessions 102
- Logging out Other Users 102
- Making iSCSI Port Settings 103
- Port Setting Information 107
- Property Definitions 108
- Viewing SFP Information 109
- Adding an Initiator 111
- Managing iSCSI Connections 112
- Viewing iSCSI Target Ports 113
- Viewing the iSCSI Portal 114
- Viewing iSCSI Sessions 114
- Working with iSCSI iSNS 115
- Working with iSCSI CHAPs 116
- Adding CHAPs 117
- Editing CHAPs 117
- Using iSCSI Ping 118
- Viewing a List of NAS Users 120
- Adding NAS Users 120
- Deleting NAS Users 121
- Creating NAS Groups 122
- Deleting a NAS Group 122
- Adding Group Members 122
- Deleting Group Members 123
- Viewing Quota Information 123
- Managing Quotas 124
- Viewing Protocol Status 124
- Making FTP Protocol Settings 126
- Creating a Share Folder 127
- Modifying a Share Folder 128
- Deleting a Share Folder 128
- Viewing File System Status 130
- Rebuilding a NAS File System 130
- Creating a NAS File System 131
- Deleting a NAS File System 131
- Setting-up NAS Replication 132
- Managing SAS Connections 134
- Viewing SAS Port Statistics 135
- Viewing SAS Initiators 135
- Managing Storage Services 136
- Viewing the LUN Map 137
- Enabling LUN Masking 137
- Adding a LUN Map 137
- Editing a LUN Map 138
- Managing Software Services 139
- Making SLP Settings 140
- Making Web Server Settings 141
- Making Telnet Settings 142
- Making SNMP Settings 143
- Making Netsend Settings 144
- Exporting the User Database 147
- Importing a User Database 147
- Updating the Firmware 149
- Restoring Factory Defaults 150
- Clearing Statistics 150
- Shutting Down the Subsystem 151
- Powering Off the Subsystem 151
- Monitoring the Power Off 152
- Starting Up After Shutdown 153
- Restarting the Subsystem 154
- Managing the Controller 155
- Viewing Controller Statistics 156
- Making Controller Settings 156
- Clearing an Orphan Watermark 158
- Managing Enclosures 159
- Viewing Enclosure Topology 160
- Viewing Enclosure Information 161
- Making Enclosure Settings 161
- Viewing FRU VPD Information 162
- Checking the Battery 162
- Reconditioning a Battery 163
- Making Buzzer Settings 163
- Managing Physical Drives 164
- Adjustable Items 166
- Locating a Physical Drive 168
- Figure 8. Disk Status LED 169
- Disk Status 169
- Plus carrier 169
- Original carrier 169
- Managing UPS Units 170
- Making UPS Settings 171
- Managing Disk Arrays 173
- Step 1 – Disk Array Creation 176
- Deleting a Disk Array 178
- Disk Array Operational Status 179
- Making Disk Array Settings 180
- Creating a Logical Drive 180
- Deleting a Logical Drive 182
- Migrating a Disk Array 182
- Rebuilding a Disk Array 183
- Running PDM on a Disk Array 185
- Transitioning a Disk Array 185
- Managing Logical Drives 187
- Logical Drive Status 188
- Logical Drive Synchronization 188
- Making Logical Drive Settings 189
- Initializing a Logical Drive 190
- Running Redundancy Check 190
- Table Definitions 192
- Creating a LUN Clone 193
- Managing Spare Drives 195
- Creating a Spare Drive 196
- Deleting Spare Drive 197
- Making Spare Drive Settings 197
- Running Spare Check 198
- Chapter 5: SmartNAVI 201
- Choosing a SmartNAVI Language 202
- Closing SmartNAVI 202
- Working with the Device List 203
- Adding NAS Devices 204
- Logging Into a NAS Device 205
- Powering On a NAS Device 207
- Changing NAS Device Settings 208
- Deleting a NAS Device 208
- Managing Backups 210
- Scheduling a Backup 211
- Monitoring Backup Progress 212
- Viewing Backup Schedules 213
- Changing a Scheduled Backup 213
- Deleting a Scheduled Backup 213
- Restoring Backed-up Files 214
- Viewing the Backup Event Log 214
- Saving the Backup Event Log 215
- Clearing the Backup Event Log 215
- Managing Share Folders 216
- Changing the Host IP address 217
- Mounting a Share Folder / 218
- Creating a Network Drive 218
- Un-mounting a Share Folder / 218
- Disconnecting a Network Drive 218
- Managing Users and Groups 219
- Changing User Permissions 220
- Viewing a List of Users 220
- Creating a Group 221
- Viewing a List of Groups 221
- Adding Members to a Group 221
- Deleting Members from a Group 222
- Deleting a Group 222
- NAS Management 223
- Monitoring the Shutdown 225
- Managing RAID Volumes 226
- Initial Connection 228
- Making a Telnet Connection 229
- Logging In 229
- Accessing Online Help 231
- Exiting the CLU 231
- Logging Out of the CLI 231
- Running Quick Setup 232
- Managing the Subsystem 233
- Resetting the Lock 234
- Releasing the Lock 234
- Setting Subsystem NTP 235
- Locating the Controller 239
- Controller Status 240
- Managing the Enclosure 241
- Locating a Power Supply 242
- Viewing Cooling Unit Status 242
- Viewing Voltage Sensor Status 242
- Checking the Batteries 243
- Locating an Enclosure 244
- Setting an Alias 247
- Viewing Advanced Information 247
- Figure 7. Disk Status LED 249
- Accepting an Incomplete Array 255
- Enabling PDM on a Disk Array 256
- Running PDM 258
- Locating a Disk Array 258
- Deleting a Spare Drive 263
- Locating a Logical Drive 266
- Making Automatic Settings 268
- Making Manual Settings 268
- Viewing Node Information 271
- Viewing CHAPs 280
- Adding a SAS Initiator 283
- Managing Background Activity 284
- Working with the Event Viewer 286
- Clearing Runtime Events 287
- Viewing NVRAM Events 287
- Clearing NVRAM Events 287
- Working with LUN Mapping 288
- Mapping a LUN to an Initiator 289
- Deleting an Initiator 289
- Viewing UPS Information 292
- Managing Users 293
- Changing a User’s Password 294
- Making Email Settings 296
- Managing SNMP Trap Sinks 299
- Managing Netsend Recipients 300
- Deleting a Recipient 301
- Netsend Requirements 301
- Flashing through TFTP 302
- Monitoring the Power-Off 305
- Using the LCD Panel 311
- Perusing the Interface 312
- Advanced Mode 313
- Limitations 313
- Viewing Events 313
- To view events: 314
- Manual IP Settings 315
- Automatic IP Settings 316
- Creating 321
- Verifying 321
- Creating a Disk Array 321
- Locating a a Logical Drive 329
- Locating a Spare Drive 331
- Chapter 8: Maintenance 333
- Replacing a Power Supply 339
- Replacing a RAID Controller 340
- Replacing a Cooling Fan 341
- Plus Models 343
- Replacing the Cache Battery 344
- Replacing the Memory Module 346
- Introduction to RAID 349
- RAID 0 – Stripe 350
- RAID 1 – Mirror 351
- RAID 1E – Enhanced Mirror 352
- RAID 10 – Mirror / Stripe 356
- RAID 30 and 50 Axles 359
- RAID 60 Axles 361
- Choosing a RAID Level 362
- Choosing Stripe Size 366
- Choosing Sector Size 366
- Cache Policy 367
- Read Cache Policy 368
- Write Cache Policy 368
- Forced Read-Ahead Cache 368
- Adaptive Writeback Cache 368
- Capacity Coercion 369
- Initialization 370
- Hot Spare Drive(s) 370
- RAID Level Migration 371
- Media Patrol 380
- PDM Triggers 381
- Transition 382
- Automatic Transition 384
- Manual Transition 384
- Chapter 10: Troubleshooting 385
- VessRAID is Beeping 386
- LEDs Display Amber or Red 387
- Disk Drive LEDs 388
- LCD Panel 389
- Controller LEDs 390
- CLU Reports a Problem 393
- Checking a Reported Component 394
- WebPAM PROe Reports a Problem 395
- Figure 10.The Event Log 396
- LCD Panel Reports a Problem 398
- Viewing a Report from OPAS 399
- Event Notification Response 401
- When a Physical Drive Fails 414
- With a Hot Spare Drive 415
- Without a Hot Spare Drive 415
- Rebuild Operation 416
- Incomplete Array 417
- Physical Drive Problems 418
- Enclosure Problems 420
- Connection Problems 423
- Network Connections 424
- Fibre Channel Ports 425
- VessRAID Does Not Boot 427
- Figure 24.USB ports 428
- Support” on page 411 428
- USB ports 428
- Chapter 11: Support 429
- Contacting Technical Support 431
- Technical Support Services 432
- United States 432
- The Netherlands 432
- Attn: Technical Support 434
- Limited Warranty 435
- Your Responsibilities 436
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