NEC Express5800/R110f-1E Manuel d'utilisateur Page 118
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Operation when redundancy of Logical Drive degraded or lost due to failure of Physical Device
If one or more Physical Devices used by a Logical Drive are failed (with their [Status] being [Failed]) to degraded (one Physical Device of RAID Level 6 is failed) or lost (one
Physical Device of RAID Level 1 or 5 is failed, two Physical Devices of RAID Level 6 is failed) the redundancy of the Logical Drive, the Logical Drive is degraded (with its [Status]
being [Degraded]).
Figure 25 Display of RAID Viewer / raidcmd (Lost the redundancy of Logical Drive)
> raidcmd property -tg=pd -c=1 -p= e252s3
RAID Controller #1 Physical Device e252s3
Enclosure : 252
Enclosure Position : Internal
Slot : 3
ID : 20
Device Type : HDD
Interface : SAS
Ve Andor/Model : SEAG TE ST936701SS
Firmware Version : 0003
Serial Number : 3LC05RDP
Capacity : 33GB
Status : Online
S.M.A.R.T. : Normal
Power Status : On
>
> raidcmd property -tg=pd -c=1 -p= e252s2
RAID Controller #1 Physical Device e252s2
Enclosure : 252
Enclosure Position : Internal
Slot : 2
ID : 19
Device Type : HDD
Interface : SAS
Vendor/Model : SEAGATE ST936701SS
Firmware Version : 0003
Serial Number : 3LC047LG
Capacity : 33GB
Status : Online
S.M.A.R.T. : Normal
Power Status : On
>
e252s5
[Hot Spare]
e252s4
[Failed]
#1 [De
g
raded]
RAID Level: 5
e252s2
[Online]
e252s3
[Online]
> raidcmd property -tg=pd -c=1 -p= e252s4
RAID Controller #1 Physical Device e252s4
Enclosure : 252
Enclosure Position : Internal
Slot : 4
ID : 21
Device Type : HDD
Interface : SAS
Vendor/Model : SEAGATE ST936701SS
Firmware Version : 0003
Serial Number : 3LC05ZZG
Capacity : 33GB
Status : Failed
S.M.A.R.T. : Normal
Power Status : On
>
> raidcmd property -tg=ld -c=1 -l=1
RAID Controller #1 Logical Drive #1
ID : 0
Disk Array Information : 1 (order 1/1)
RAID Level : RAID 5
Capacity : 20GB
Stripe Size : 64KB
Cache Mode (Setting) : Write Back
Cache Mode (Current) : Write Back
Type : Logical Drive
Status : Degraded
>
Structure and Status of RAID System Property of RAID Viewe
r
Property of raidcmd
Logical Drive
[Degraded]
Tree View of RAID Viewe
r
Become [Fatal] by
existence of
[Failed] node.
Failed Physical
Device
[Failed]
118
- Universal RAID Utility 1
- User's Guide 1
- Introduction 4
- Contents 5
- Overview 9
- System requirements 12
- Software (Linux) 13
- Software (VMware ESX) 13
- Resources 14
- Installation image 16
- Installation (Windows) 19
- Uninstallation (Windows) 22
- Log Viewer 31
- Standard and Advanced Modes 33
- Functions of RAID Viewer 35
- RAID Controller 36
- Battery 37
- Flash Backup Unit 37
- Disk Array 37
- SSD Cache Disk Array 38
- SSD Cache Drive 39
- Shortcut Menu 40
- Operation View 41
- Menu Bar 42
- Status Bar 44
- Functions of Log Viewer 45
- Log View 46
- Functions of raidcmd 48
- RAID System Configuration 49
- Configuration of RAID System 61
- Making Hot Spare 62
- About Dedicated Hot Spare 63
- Making Global Hot Spare 64
- Making Dedicated Hot Spare 65
- Removing Hot Spare 66
- Capacity of Logical Drive 73
- Items set for Logical Drive 73
- Number of Hot Spares 74
- Modes of Hot Spares 75
- Mode" 76
- Deleting Logical Drive 84
- Using CacheCade 85
- Capacity of SSD Cache Drive 87
- Deleting SSD Cache Drive 88
- Maintenance of RAID System 89
- Setting Patrol Read Priority 90
- Stopping Consistency Check 93
- Initializing Logical Drive 95
- Stopping Initialize 96
- Setting Initialize Priority 97
- Setting cache mode 98
- Rebuilding Physical Device 99
- Stopping Rebuild 100
- Setting Rebuild Priority 101
- Setting Power Saving Devices 102
- Setting Device Standby Time 103
- RAID Viewer 105
- To Online Forcibly 106
- To Failed Forcibly 107
- Scheduling Refresh Battery 110
- Troubleshooting RAID System 111
- Failure Detection Measures 112
- Windows 113
- Buzzer in RAID Controller 114
- Physical Device 117
- [Online] 117
- Logical Drive 117
- Monitoring Battery Status 121
- Monitoring Enclosure Status 123
- ESMPRO Manager 125
- Using ExpressUpdate 127
- Utility 128
- Avoiding TCP port conflict 129
- Operation Environment 131
- OS Fatal Error Event 132
- RAID Viewer, Log Viewer 133
- Log Rotation 134
- NEC ESMPRO Manager 135
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