Mylex AcceleRAID 250 Informations techniques Page 221
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- Table des matières
- MARQUE LIVRES
Noté. / 5. Basé sur avis des utilisateurs
Glossary
Manual No. 775029 G-5
Clustering
The concept of grouping controllers or servers so that they may be able to
back each other up if one controller or server fails, taking over disk arrays
assigned previously to the failed controller or server.
CMOS
Complementary Metal Oxide Semiconductor, a chip that packs many
components into a very small semiconductor.
Cold Swap
The physical substitution of a replacement unit in a storage system for a
defective one, where power is removed from the storage system in order to
perform the substitution and human intervention is required (compare to Hot
Swap and AutoSwap).
Consistency Check
Refers to a process where the integrity of redundant data is verified. For
example, a consistency check of a mirrored drive will make sure that the data
on both drives of the mirrored pair is exactly the same. For RAID 3 or RAID
5 redundancy, a consistency check reads all associated data blocks, computes
parity, reads parity, and verifies that the computed parity matches the read
parity.
Controller
An adapter card, RAID controller, or other module that interprets signals
between a host and a peripheral device.
CPU
Central Processing Unit, the circuitry that performs the basic instructions to
drive the computer.
Critical
A Logical Drive is in a “critical” state if it has been configured at RAID level
1, 3, 5, or 0+1; and one (and only one) of its SCSI drives is not “online.” A
- 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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