Dell PowerEdge Expandable RAID Controller 3 Guide de l'utilisateur Page 22
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22 About PERC 6 and CERC 6/i Controllers
Battery
Backup Unit
Yes,
Transportable
Yes
b
Yes No
Cache
Memory
256-MB
DDRII cache
memory size.
Optional
512-MB
DIMM
256-MB DDRII
cache memory
size
256-MB DDRII
cache memory
size
128-MB
DDRII
cache
memory
size
Cache
Function
Write-Back,
Write-Through,
Adaptive
Read Ahead,
No-Read
Ahead,
Read Ahead
Write-Back,
Write-Through,
Adaptive
Read Ahead,
No-Read Ahead,
Read Ahead
Write-Back,
Write-Through,
Adaptive
Read Ahead,
No-Read Ahead,
Read Ahead
Write-Back,
Write-
Through,
Adaptive
Read
Ahead,
No-Read
Ahead,
Read Ahead
Maximum
Number of
Spans per
Disk Group
Up to 8 arrays Up to 8 arrays Up to 8 arrays Up to 2
arrays
Maximum
Number of
Virtual Disks
per Disk
Group
Up to 16
virtual disks
per disk group
for non-
spanned RAID
levels: 0, 1, 5,
and 6.
One virtual
disk per disk
group for
spanned RAID
levels: 10, 50,
and 60.
Up to 16 virtual
disks per disk
group for non-
spanned RAID
levels: 0, 1, 5,
and 6.
One virtual disk
per disk group
for spanned
RAID levels: 10,
50, and 60.
Up to 16 virtual
disks per disk
group for non-
spanned RAID
levels: 0, 1, 5,
and 6.
One virtual disk
per disk group
for spanned
RAID levels: 10,
50, and 60.
Up to 16
virtual disks
per disk
group for
non-
spanned
RAID
levels: 0, 1,
5, and 6.
One virtual
disk per
disk group
for spanned
RAID
level 10.
Table 3-1. PERC 6 and CERC 6/i Controller Comparisons (continued)
Specification PERC 6/E
Adapter
PERC 6/i Adapter PERC 6/i
Integrated
CERC 6/i
Integrated
Dell_PERC6.2_UG.book Page 22 Wednesday, June 24, 2009 6:08 PM
- User’s Guide 1
- Notes, Cautions, and Warnings 2
- Contents 3
- 4 Contents 4
- 6 Contents 6
- 8 Contents 8
- Contents 9 9
- 10 Contents 10
- WARNING: Safety Instructions 11
- SAFETY: Battery Disposal 14
- Overview 15
- Operating System Support 16
- RAID Description 16
- Summary of RAID Levels 17
- RAID Terminology 17
- Disk Mirroring 18
- Spanned RAID Levels 19
- Parity Data 19
- 20 Overview 20
- About PERC 6 and CERC 6/i 21
- Controllers 21
- Using the SMART Feature 24
- Initializing Virtual Disks 25
- Consistency Checks 26
- Disk Roaming 27
- Disk Migration 27
- Battery Management 30
- Battery Learn Cycle 31
- Write-Back and Write-Through 32
- Virtual Disk Read Policies 33
- Reconfiguring Virtual Disks 33
- Fault Tolerance Features 36
- Patrol Read 38
- Patrol Read Modes 39
- Installing and Configuring 41
- Hardware 41
- Unit (TBBU) on PERC 6/E 46
- PERC 6/E Adapter 55
- Procedure) 59
- Driver Installation 63
- Installing Windows Drivers 64
- Operating System Installation 65
- Installation 66
- Installing Linux Driver 69
- Update Diskette 71
- Upgrading the Kernel 73
- Installing Solaris Driver 74
- Installing NetWare Drivers 75
- RAID Configuration Functions 78
- Menu Navigation Controls 80
- Setting Up Virtual Disks 83
- Virtual Disk Management 85
- Checking Data Consistency 88
- Configuration View Screen 90
- Managing Preserved Cache 93
- Managing Dedicated Hot Spares 94
- Deleting Virtual Disks 95
- Deleting Disk Groups 95
- Resetting the Configuration 96
- Virtual Disk Actions 101
- Foreign Configuration View 104
- Physical Disk Management 105
- Configuring and Managing RAID 106
- Restrictions and Limitations 108
- Controller Management 109
- Enabling BIOS Stop on Error 110
- Troubleshooting 113
- 114 Troubleshooting 114
- 116 Troubleshooting 116
- 118 Troubleshooting 118
- X. Perform a rescan after 118
- Virtual Disks Degraded 119
- Memory Errors 120
- Pinned Cache State 120
- General Problems 121
- Physical Disk Related Issues 122
- 124 Troubleshooting 124
- SMART Errors 125
- Replace Member Errors 126
- Linux Operating System Errors 127
- 128 Troubleshooting 128
- Controller LED Indicators 129
- Drive Carrier LED Indicators 130
- 132 Troubleshooting 132
- Regulatory Notices 133
- 134 Regulatory Notices 134
- Dell B.V. Taiwan Branch 135
- Tai p e i , Tai w a n 135
- Glossary 137
- Battery Backup Unit (BBU) 138
- BIOS Configuration Utility 138
- Glossary 139 139
- Glossary 141 141
- Glossary 143 143
- Initialization 144
- Inter-IC 144
- Load-balancing 144
- Glossary 145 145
- Glossary 147 147
- Physical Disk 148
- Physical Disk States 148
- Glossary 149 149
- Read-Ahead 150
- Rebuild Rate 150
- Reconstruct 150
- Redundancy 150
- Redundant Virtual Disk 151
- Replace Member 151
- Replacement Disk 151
- Replacement Unit 151
- Revertible Hot Spare 151
- Spanning 153
- Virtual Disk 155
- Write-Back 155
- Write-Through 155
- 156 Glossary 156
- Index 157 157
- Index 159 159
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