NEC Express5800/R110f-1E Manuel d'utilisateur Page 119
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Operation when failed Physical Device is replaced to recover RAID System
Using the RAID System continuously with the redundancy of a Logical Drive remaining degraded may cause the data in the Logical Drive to be lost when another Physical Device
is failed further. Recover a Logical Drive of degraded redundancy by Hot Spare or replacement of the failed Physical Device.
If Hot Spare or replacement of a failed Physical Device operates Rebuild, the status of the Physical Device changes during the rebuilding (with its [Status] changed to
[Rebuilding]).
Figure 26 Display of RAID Viewer /raidcmd (Rebuilding of Physical Device)
Become [Warning]by
existence of
[Degraded] node.
> 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
Tree View of RAID Viewe
r
e252s4
[Rebuilding]
e252s4
[Ready]
(Failed)
#1 [De
g
raded]
RAID Level: 5
e252s2
[Online]
e252s3
[Online]
Dedicated Hot Spare
[Rebuilding]
Logical Drive
[Degraded]
Failed Physical
Device
[Ready]
> ra 2s4idcmd property -tg=pd -c=1 -p=e25
RAID 52s4 Controller #1 Physical Device e2
Enclosure : 252
Enclosure Position : Internal
Slot : 4
ID : 21
Device Type : HDD
Interface : SAS
Vend 36701SS or/Model : SEAGATE ST9
Firmware Version : 0003
Seri Number : 3LC05ZZG al
Capacity : 33GB
Status : Ready
S.M.A.R.T. : Normal
Power Status : On
> raidcmd property -tg=pd -c=1 -p=e252s5
RAID Controller #1 Physical Device e252s5
Enclosure : 252
Enclosure Position : Internal
Slot : 5
ID : 23
Device Type : HDD
Interface : SAS
Vendor/Model : SEAGATE ST9146853SS
Firmware Version : NQY1
Serial Number : 6XM009S2
Capacity : 135GB
Status : Rebuilding
S.M.A.R.T. : Normal
Power Status : On
>
Property of raidcmd
After Rebuild starts, various results such as [Status]
changes [Ready] cannot recognize existence, and
[Status] keep [Failed] are thought by RAID Controller's
kind and the kind of the occurring issue as for a Physical
Device that failed.
119
- 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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