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VessRAID 1000f, 1000i, 1000s Product Manual
342
Choosing a RAID Level
There are several issues to consider when choosing the RAID Level for your
VessRAID disk array. The following discussion summarizes some advantages,
disadvantages, and applications for each choice.
RAID 0
Recommended Applications for RAID 0
• Image Editing
• Pre-Press Applications
• Any application requiring high bandwidth
RAID 1
Recommended Applications for RAID 1
• Accounting
•Payroll
• Financial
• Any application requiring very high availability
Advantages Disadvantages
Implements a striped disk array, the
data is broken down into blocks and
each block is written to a separate disk
drive
I/O performance is greatly improved by
spreading the I/O load across many
channels and drives
No parity calculation overhead is
involved
Not a true RAID because it is not fault-
tolerant
The failure of just one drive will result in
all data in an disk array being lost
Should not be used in mission critical
environments
Advantages Disadvantages
Simplest RAID storage subsystem
design
Can increase read performance by
processing data requests in parallel
since the same data resides on two
different drives
Very high disk overhead - uses only
50% of total capacity
- 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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