NEC Express5800/R120a-1 Manual de usuario Pagina 57
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Easy Configuration Creating Logical Drives by
Logical Drives created by Easy Configuration are desc
RAID Levels and the number of Logi
rib
ca
ed below.
l Drives allowed to be created
The RAID Level of a Logical Drive created by Easy
1 or RAID 5 is used is defined by RAID Levels supp
Devices used by the Logical Drive.
The number of Logical Drives allow
Co guration should be RAID 1 or RA Whether RAID
or f Physical
ed to be created i
ntroller supporting RAID Levels RAID 1 and R
nfi ID 5.
ted by the RAID Controller and the number o
s also defined by the similar conditions.
RAID Co AID 5
Number of Physical
Devices used by Logical
Drive
RAID Level of Logical Drive Number of Logical Drives allowed to be created
2 RAID 1 1
3 - 5 RAID 5 1
6 or more RAID 5 Number of Physical Devices used by Logical Drive / 3
RAID Controller supporting RAID 1 only
Number of Physical
Devices used by Logical
Drive
RAID Level of Logical Drive Number of Logical Drives allowed to be created
2 or more RAID 1 s used by Logical Drive / 2 Number of Physical Device
The Easy Configuration can only create Lo 5. gical Drives of RAID 1 or RAID
Physical Devices used for Logical Drives
Physical Devices of lower Physical Device Numbers a ical Drives to be created
excluding those for making Hot Spares.
Ex. : If Physical Devices #1 - #7 can be used for Easy evice #3 is used as a Hot
Spare, Logical Drives #1 and #2 are created with Ph hysical D ce
ely.
Figure 15 Assigning Physical Devices in Easy Configuration 1
a Logical Drive is
not equal to others, a larger number of Physical Devices should be assigned to a Logical Drive having a
re used preferentially for Log
Configuration and Physical D
ysical Devices #1 and #2 having lower P evi
Numbers and Physical Devices #5, #6 and #7, respectiv
If more than one Logical Drive are created and the number of Physical Devices configuring
smaller logical number.
Phys
Device
ical
#1
Physical
Device #2
Physical
Device #3
Hot Spare
Physical
Device #4
Physical
Device #5
Physical
Device #6
Physical
Device #7
Logical Logical
Drive #2
Drive #1
- Universal RAID Utility 1
- Ver 2.0 1
- User's Guide 1
- Introduction 3
- Contents 4
- Functions of Log Viewer 36 5
- Functions of raidcmd 39 5
- Appendix A : Glossary 109 7
- Appendix B : Logs/Events 111 7
- Overview 8
- Universal RAID Utilit 9
- Operation Environments 12
- Software (Linux) 13
- Software (VMware ESX Server) 13
- New Installation (Windows) 17
- Add Installation (Windows) 19
- Uninstallation (Windows) 20
- Utility 23
- RAID Viewer 24
- Log Viewer 25
- Standard and Advanced Modes 27
- Changing Running Mode 28
- Functions of RAID Viewer 29
- Computer 30
- RAID Controller 30
- Battery 30
- Disk Array 30
- Logical Drive 31
- Physical Device 31
- Shortcut Menu 31
- Operation View 32
- Menu Bar 33
- [Tool] menu 34
- [Help] menu 34
- Status Bar 35
- Functions of Log Viewer 36
- Log View 37
- Functions of raidcmd 39
- Configuration of RAID System 48
- Making Hot Spare 49
- Making Global Hot Spare 51
- Making Dedicated Hot Spare 52
- Removing Hot Spare 53
- Capacity cal Drive of Logi 58
- Items set for Logical Drive 59
- Number of Hot Spares 59
- Modes of Hot Spares 59
- Mode" 61
- RAID Level 63
- Capacity of Logical Drive 63
- Disk Arrays and Physical Devi 67
- Deleting Logical Drive 69
- Maintenance of RAID System 70
- Setting Patrol Read Priority 71
- Stopping Consistency Check 73
- Initializing Logical Drive 76
- Stopping Initializ 77
- Rebuilding Physical Device 79
- Stopping Rebuild 80
- Setting 80
- Rebuild Priority 80
- ID Viewer 82
- To [Online] Forcibly 83
- To [Failed] Forcibly 84
- Troubleshooting RAID System 85
- Failure Detection Measures 86
- Logging Events to OS Log 87
- Manager 87
- Sending Alert to NEC ESMPRO 87
- Monitoring Battery Status 93
- Monitoring Enclosure Status 94
- D System 94
- Operation Environment 108
- RAID Viewer, Log Viewer 108
- Appendix A : Glossary 109
- RAID System 110
- Basic Terms on Functions of 110
- Appendix B : Logs/Events 111
- This item 118
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