Promise Technology VTrack M-Class M500p Manuel Page 244
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VTrak M-Class Product Manual
236
RAID 1E – Enhanced Mirror
RAID 1E offers the security of mirrored data provided by RAID 1 plus the added
capacity of more than two disk drives. It also offers overall increased read/write
performance plus the flexibility of using an odd number of disk drives. With RAID
1E, each data stripe is mirrored onto two disk drives. If one drive fails or has
errors, the other drives continue to function, providing fault tolerance.
The advantage of RAID 1E is the ability to use an odd number of disk drives,
unlike RAID 1 and RAID 10. You can also create a RAID 1E Logical Drive with an
even number of disk drives. However, if you have an even number of disks, you
will obtain greater security with comparable performance using RAID 10.
RAID 1E arrays consist of three or more physical drives. You can create an array
with just two physical drives and specify RAID 1E. But the resulting array will
actually be a RAID 1.
Recommended applications: Imaging Applications, Database Servers, General
Fileservers.
Disk Drives
Enhanced Data Mirrors
- M200f, M200i, M200p 1
- Copyright 2
- Trademarks 2
- Recommendations 2
- Contents 3
- Overview 10
- Controller 11
- Features and Benefits 12
- Chapter 1: Introduction 13
- Specifications 14
- M300f/i/p, M200f/i/p 16
- FCC Statement 17
- Chapter 2: Installation 19
- VTrak M500f 20
- Install Disk Drives 24
- WARNING: 25
- Counter-sink screws only 25
- Drive Numbering 27
- FC 1 FC 2 28
- SCSI Direct Attached Storage 32
- Connect the Power 34
- Chapter 3: Setup 37
- M200f/p) 38
- Management Port 41
- VTrak Setup with WebPAM PROe 49
- Language Selection 52
- Create a Disk Array 53
- Additional Logical Drives 62
- Log-out of WebPAM PROe 62
- Log-in/Log-out 69
- 4. Click the Login button 70
- Graphic User Interface 72
- Item Function 73
- Storage Network 74
- Contact Us 74
- Tree View 75
- Subsystems 76
- Subsystem 77
- Subsystem Events 78
- Background Activities 79
- Scheduler 80
- Administrative Tools 83
- User Information 84
- User Settings – Administrator 84
- User Settings – User 84
- User Event Subscription 85
- User Password – Administrator 87
- User Password – Users 87
- Create a User 87
- Delete a User 88
- User Sessions 89
- Fibre Channel Node 92
- Fibre Channel Port 92
- Fibre Channel Port Settings 93
- Fibre Channel Statistics 93
- Fibre Channel SFP 94
- VTrak M-Class Product Manual 100
- SCSI Management 103
- SCSI Target Information 104
- Storage Services 105
- LUN Map – SCSI 107
- Software Management 108
- Web Server 110
- Firmware Update 116
- Restore Factory Defaults 116
- Clear Statistics 116
- Shutdown and Restart 117
- Controllers 118
- Controller Statistics 121
- Controller Settings 121
- Enclosures 122
- Identify Enclosure 123
- Enclosure Settings 125
- Physical Drives 127
- Identify a Physical Drive 128
- Physical Drives Settings 128
- Physical Drive 129
- Physical Drive Settings 131
- Physical Drive Media Patrol 133
- Disk Arrays 134
- Create a Disk Array – Express 135
- Disk Array 138
- Disk Array Information 139
- Disk Array Status 140
- Disk Array Settings 140
- Create a Logical Drive 141
- Delete a Logical Drive 142
- Disk Array Migration 143
- Disk Array Rebuild 144
- Transition 145
- Logical Drives 146
- Logical Drive Status 147
- Logical Drive 148
- Logical Drive Settings 149
- Logical Drive Initialization 150
- Logical Drive Synchronization 151
- Logical Drive PDM 152
- Logical Drive Check Table 152
- Spare Drives 153
- Create Spare Drive 154
- Delete Spare Drive 155
- Spare Drive 156
- Spare Drive Settings 157
- VTrak Status Indicators 159
- Drive Status Indicators 161
- Audible Alarm 162
- CLU Connection 163
- Exit the CLU 165
- CLU Function Map 166
- C, continued 167
- E, continued 168
- I, continued 169
- L, continued 170
- P, continued 171
- S, continued 172
- U, continued 174
- Quick Setup 175
- Subsystem Management 175
- System Date and Time 176
- Controller Management 176
- Physical Drive Coercion 177
- Enclosure Management 178
- Enclosure Status 178
- Batteries 180
- Physical Drive Management 181
- Command Queuing 182
- Advanced Information 182
- Physical Drive Statistics 182
- Locate Physical Drive 183
- Disk Array Management 184
- Advanced 185
- Delete a Disk Array 186
- Migration 188
- Predictive Data Migration 188
- Locate Disk Array 189
- Logical Drive Management 191
- Initialization 192
- Redundancy Check 192
- Network Management 193
- Fibre Channel Management 194
- Logged-in Devices 195
- Port Settings 195
- Port SFP 195
- Fibre Channel Initiators 196
- Sessions 198
- Delete a CHAP 199
- Add a CHAP 199
- Background Activity 201
- Background Activity Settings 202
- Event Viewer 203
- Spare Drive Management 204
- Create New Initiator 206
- LUN Mapping (SCSI) 207
- User Management 208
- Delete User 209
- Webserver 211
- SNMP Trap Sinks 212
- Flash through TFTP 213
- Firmware Update – WebPAM PROe 219
- Restart VTrak 220
- Firmware Update – CLU 221
- Chapter 6: Maintenance 223
- Replace SEP – M500f/i/p 237
- Introduction to RAID 241
- RAID 0 – Stripe 242
- RAID 1 – Mirror 243
- RAID 1E – Enhanced Mirror 244
- RAID 10 – Mirror + Stripe 246
- RAID 50 Axles 247
- Choosing a RAID Level 249
- Advantages Disadvantages 250
- Stripe Size 252
- Sector Size 252
- Cache Policy 253
- Capacity Coercion 254
- Hot Spare Drive(s) 255
- RAID Level Migration 256
- Increase Redundancy 257
- Capacity Performance Add Lose 257
- Media Patrol 258
- PDM Triggers 259
- Chapter 8: Troubleshooting 263
- LEDs Display Amber or Red 264
- CLU Reports a Problem 270
- WebPAM PROe Reports a Problem 271
- Event Notification Response 273
- Event Action 274
- When a Disk Drive Fails 288
- With a Hot Spare Drive 288
- Without a Hot Spare Drive 289
- Rebuild Operation 289
- Enclosure Problems 291
- Connection Problems 294
- Serial Connections 295
- Network Connections 296
- Chapter 9: Support 299
- Contact Technical Support 301
- United States 302
- Europe, Africa, Middle East 302
- Attn: Technical Support 303
- Limited Warranty 304
- Returning Product For Repair 305
- 1 2 3 4 5 307
- SNMP MIB Files 308
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