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VTrak M310p, M210p Product Manual
182
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
- M310p, M210p 1
- Copyright 2
- Trademarks 2
- Recommendations 2
- Contents 3
- Chapter 1: Introduction 9
- Overview 10
- Architectural Description 11
- Features and Benefits 11
- Specifications 13
- FCC Statement 14
- Chapter 2: Installation 15
- Mount VTrak in a Rack 16
- Install Disk Drives 18
- Drive Numbering 20
- DB-9 Serial 22
- Connector 22
- Connect the Power 23
- LED will remain dark 24
- Chapter 3: Setup 25
- Management Port 28
- VTrak Setup with WebPAM PROe 30
- Language Selection 33
- Create a Disk Array 34
- Additional Logical Drives 43
- Log-out of WebPAM PROe 43
- Audible Alarm 47
- Log-in/Log-out 48
- 3. Click the Login button 49
- Graphic User Interface 51
- Item Function 52
- Storage Network 53
- Contact Us 53
- Tree View 54
- Subsystems 55
- Subsystem 56
- Subsystem Events 57
- Background Activities 58
- Scheduler 59
- Administrative Tools 62
- User Settings – User 64
- User Event Subscription 64
- User Password – Administrator 66
- User Password – Users 66
- Create a User 66
- Delete a User 67
- User Sessions 68
- Storage Services 71
- Web Server 74
- Firmware Update 82
- Controllers 85
- Controller 86
- Controller Statistics 87
- Enclosures 89
- Enclosure 90
- Physical Drives 94
- Physical Drive 95
- Physical Drive Settings 97
- Disk Arrays 99
- Create a Disk Array – Express 100
- Delete a Disk Array 103
- Disk Array 104
- Disk Array Status 105
- Disk Array Settings 106
- Create a Logical Drive 106
- Disk Array Migration 108
- Delete a Logical Drive 108
- Disk Array Rebuild 109
- Transition 111
- Logical Drives 112
- Logical Drive Status 113
- Logical Drive 114
- Logical Drive Settings 115
- Logical Drive Initialization 116
- Logical Drive Synchronization 117
- Logical Drive PDM 118
- Logical Drive Check Table 118
- Logical Drive LUN Settings 119
- Spare Drives 120
- Create Spare Drive 121
- Delete Spare Drive 121
- Spare Drive 122
- Spare Drive Settings 123
- Logical Drive Summary 125
- VTrak Status Indicators 127
- Drive Status Indicators 129
- CLU Connection 130
- Exit the CLU 132
- CLU Function Map 133
- C, continued 134
- E, continued 135
- L, continued 136
- P, continued 137
- S, continued 138
- T, continued 139
- Quick Setup 140
- Subsystem Management 140
- System Date and Time 141
- Controller Management 141
- Controller Settings 142
- Enclosure Management 143
- Enclosure Status 143
- Enclosure Settings 144
- Batteries 145
- Physical Drive Management 146
- Locate Physical Drive 148
- Disk Array Management 149
- Advanced 150
- Disk Array Information 152
- Migration 153
- Predictive Data Migration 153
- Locate Disk Array 154
- Logical Drive Management 156
- Initialization 157
- Redundancy Check 157
- Network Management 158
- SCSI Management 159
- Background Activity 160
- Background Activity Settings 161
- Background Activities List 161
- Event Viewer 162
- Spare Drive Management 163
- LUN Mapping 164
- User Management 165
- Password 166
- Software Management 167
- Webserver 168
- SNMP Trap Sinks 170
- Netsend Recipients 171
- Flash through TFTP 172
- Clear Statistics 172
- Restore Factory Defaults 172
- Shutdown and Restart 173
- Restart over Serial 174
- Chapter 6: Maintenance 175
- Firmware Update – WebPAM PROe 176
- Restart VTrak 177
- Firmware Update – CLU 178
- Replace Power Supply 179
- Replace Cooling Unit Blower 180
- Replace Cache Battery 183
- Replace RAID Controller 186
- Introduction to RAID 187
- RAID 0 – Stripe 188
- RAID 1 – Mirror 189
- RAID 1E – Enhanced Mirror 190
- RAID 10 – Mirror + Stripe 193
- RAID 50 Axles 194
- Choosing a RAID Level 196
- Advantages Disadvantages 197
- Stripe Size 199
- Sector Size 199
- Cache Policy 200
- Capacity Coercion 201
- Hot Spare Drive(s) 202
- RAID Level Migration 203
- Increase Redundancy 204
- Capacity Performance Add Lose 204
- Media Patrol 206
- PDM Triggers 207
- Automatic Transition 210
- Manual Transition 210
- Chapter 8: Troubleshooting 211
- LEDs Display Amber or Red 212
- Back of Enclosure 214
- CLU Reports a Problem 216
- WebPAM PROe Reports a Problem 218
- Event Notification Response 220
- Event Action 221
- When a Disk Drive Fails 236
- With a Hot Spare Drive 236
- Without a Hot Spare Drive 237
- Rebuild Operation 237
- Enclosure Problems 239
- Connection Problems 242
- Serial Connections 243
- Network Connections 243
- Chapter 9: Support 245
- Contact Technical Support 247
- United States 248
- Europe, Africa, Middle East 248
- Attn: Technical Support 249
- Limited Warranty 250
- Returning Product For Repair 251
- 1 2 3 4 5 253
- SNMP MIB Files 254
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