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- Table des matières
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Noté. / 5. Basé sur avis des utilisateurs
G-32 RAID EzAssist User’s Manual
Wide SCSI
A SCSI protocol and signal definition providing 16-bit wide data path.
Write Through Cache
Refers to a caching strategy whereby data is written to the SCSI drive before
a completion status is returned to the host operating system. This caching
strategy is considered more secure, since a power failure will be less likely to
cause loss of data. However, a write through cache results in a slightly lower
performance.
Write-Back Cache
Refers to a caching strategy whereby write operations result in a completion
signal being sent to the host operating system as soon as the cache (not the
disk drive) receives the data to be written. The target SCSI drive will receive
the data at a more appropriate time, in order to increase controller
performance. An optional cache battery backup can be used to protect
against data loss as a result of a power failure or system crash.
XOR
Exclusive Or, a computer language function that generates parity in RAID
systems.
- RAID EzAssist™ v2.00 1
- Configuration Utility 1
- User Reference Guide 1
- Greetings 4
- Contents 7
- Where to Go Now 10
- First Time? 11
- ❑ Get Started 12
- First-Time Configuration 13
- Manual No. 775029 1-5 13
- Manual No. 775029 1-7 15
- ■ Fault Tolerance? 19
- ■ Spare Drive? 20
- ■ Optimization Priority 21
- ■ Logical Drive Count 23
- ■ Capacity Usage 24
- Manual No. 775029 1-17 25
- Manual No. 775029 1-19 27
- Manual No. 775029 1-23 31
- ■ Define Logical Drives 32
- Manual No. 775029 1-25 33
- Manual No. 775029 1-27 35
- Manual No. 775029 1-29 37
- ❑ Power On Your System 39
- ❑ Start RAID EzAssist 39
- Manual No. 775029 1-33 41
- Manual No. 775029 2-3 45
- Manual No. 775029 2-9 51
- ❑ Fault Tolerance? 53
- ❑ Spare Drive? 54
- ❑ Optimization Priority 55
- ❑ Logical Drive Count 56
- ❑ Capacity Usage 57
- Manual No. 775029 2-17 59
- Manual No. 775029 2-19 61
- Manual No. 775029 2-25 67
- Manual No. 775029 2-27 69
- ❑ Select an Array to Expand 73
- Manual No. 775029 2-33 75
- Manual No. 775029 2-35 77
- Manual No. 775029 2-37 79
- Manual No. 775029 2-39 81
- Manual No. 775029 2-43 85
- Manual No. 775029 2-45 87
- ❑ Assign Spare Drives 89
- Manual No. 775029 2-49 91
- Manual No. 775029 2-51 93
- Manual No. 775029 2-53 95
- When to Use Spanning 96
- Spanning Requirements 97
- Spanning Limitations 98
- Manual No. 775029 2-57 99
- Figure 2-58. Enable Spanning? 100
- ❑ Build Disk Arrays 101
- Caution 102
- Drive Configuration 103
- Manual No. 775029 2-61 103
- ❑ Define Logical Drives 104
- Manual No. 775029 2-63 105
- Manual No. 775029 2-65 107
- How Do I Exit RAID EzAssist? 109
- Controller Configuration 111
- Information? 113
- Controller? 115
- WARNING 117
- Setting 118
- ❑ Enter the Properties Menu 120
- ❑ View/Modify Bus Speed 121
- Manual No. 775029 3-15 125
- Monitoring and 127
- Maintenance Activities 127
- Manual No. 775029 4-3 129
- Manual No. 775029 4-5 131
- Comprise the Array? 132
- Manual No. 775029 4-7 133
- Manual No. 775029 4-9 135
- Write Cache Settings? 137
- ❑ Select a Logical Drive 139
- Figure 4-17. Bad Data Table 140
- Comprise the Logical Drive? 141
- Logical Drive? 143
- ❑ Run a Consistency Check 145
- Manual No. 775029 4-21 147
- Manual No. 775029 4-25 151
- Logical Drive 155
- Manual No. 775029 4-31 157
- ❑ Delete the Logical Drive 158
- Configuration screen 161
- Cache Settings? 162
- Manual No. 775029 4-37 163
- ❑ Select a Physical Device 164
- Manual No. 775029 4-39 165
- Grown, then press Enter 166
- Manual No. 775029 4-43 169
- Manual No. 775029 4-45 171
- (Unused) Status 172
- Manual No. 775029 4-47 173
- Physical Drive? 177
- ❑ Format the Physical Drive 183
- Manual No. 775029 4-61 187
- Manual No. 775029 4-63 189
- Manual No. 775029 4-65 191
- Manual No. 775029 4-67 193
- ❑ Select a Controller 194
- ❑ Rescan the Controller 194
- Manual No. 775029 4-69 195
- Advanced Options 197
- Figure 5-1. Advanced Options 198
- EzAssist Utility? 199
- Figure 5-5. Flash Code Update 200
- Manual No. 775029 5-5 201
- Manual No. 775029 5-7 203
- Manual No. 775029 5-11 207
- ☞ Label the diskette 208
- ❑ Clear the Configuration 210
- Clustering? 211
- Manual No. 775029 5-19 215
- Glossary 217
- Manual No. 775029 G-3 219
- Manual No. 775029 G-5 221
- Disk Array 223
- Disk Drive 223
- Disk Failure Detection 223
- Disk Media Error Management 223
- Disk System 224
- Drive Groups (or Drive Packs) 224
- Drive Traveling 224
- Manual No. 775029 G-9 225
- Fibre Channel 227
- File Server 227
- Flash ROM 227
- Manual No. 775029 G-13 229
- Manual No. 775029 G-15 231
- Manual No. 775029 G-17 233
- Manual No. 775029 G-19 235
- RAID Controller 237
- RAID Levels 237
- Read Ahead Cache 238
- RAID (Level) Migration 238
- Manual No. 775029 G-23 239
- Rotated XOR Redundancy 240
- RS 422/423 240
- SCSI Adapters 241
- SCSI Drive 241
- SCSI Drive States 241
- Segment Size 242
- Manual No. 775029 G-27 243
- Manual No. 775029 G-29 245
- Manual No. 775029 G-31 247
- Wide SCSI 248
- Write Through Cache 248
- Write-Back Cache 248
- CORPORATE OFFICE 250
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