NEC Express5800/R120f-1M Guía de usuario Pagina 124
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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
Sector Format : 512
Capacity : 135GB
Stripe Size : 256KB
Cache Mode (Setting) : Write Through
Cache Mode (Current) : Write Through
Type : Logical Drive
Status : Degraded
>
Structure and Status of RAID System
Tree View of RAID Viewer
Property of RAID Viewer
e252s4
[Rebuilding]
e252s4
[Ready]
(Failed)
#1 [Degraded]
RAID Level: 5
e252s2
[Online]
e252s3
[Online]
Dedicated Hot Spare
[Rebuilding]
Logical Drive
[Degraded]
Failed Physical
Device
[Ready]
> 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
Sector Format : 512
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 : 36
Device Type : HDD
Interface : SAS
Vendor/Model : SEAGATE ST3300657SS
Firmware Version : N007
Serial Number : 3SJ04423
Sector Format : 512
Capacity : 67GB
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.
124
- Universal RAID Utility 1
- User's Guide 1
- Introduction 4
- Contents 5
- Overview 10
- Windows Server 11
- Linux/VMware ESX 11
- Management PC 11
- System requirements 13
- Software (Linux) 14
- Software (VMware ESX) 14
- Resources 15
- Installation image 17
- Installation (Windows) 20
- Uninstallation (Windows) 23
- Log Viewer 32
- Standard and Advanced Modes 34
- Functions of RAID Viewer 36
- Battery 38
- Flash Backup Unit 38
- Disk Array 38
- SSD Cache Disk Array 39
- SSD Cache Drive 40
- Shortcut Menu 41
- Operation View 42
- Menu Bar 43
- [OFF] goes off the lamp 45
- Status Bar 46
- Functions of Log Viewer 47
- Log View 48
- Functions of raidcmd 50
- RAID System Configuration 51
- Configuration of RAID System 63
- Making Hot Spare 64
- About Dedicated Hot Spare 65
- Making Global Hot Spare 66
- Making Dedicated Hot Spare 67
- Removing Hot Spare 68
- Capacity of Logical Drive 75
- Items set for Logical Drive 75
- Number of Hot Spares 76
- Modes of Hot Spares 77
- Mode" 78
- Deleting Logical Drive 86
- Using CacheCade 87
- Capacity of SSD Cache Drive 89
- Deleting SSD Cache Drive 90
- Maintenance of RAID System 91
- Setting Patrol Read Priority 92
- Enabled) 93
- Disabled) 94
- Stopping Consistency Check 96
- Initializing Logical Drive 98
- Stopping Initialize 99
- Setting Initialize Priority 100
- Setting cache mode 101
- Rebuilding Physical Device 102
- Stopping Rebuild 103
- Setting Rebuild Priority 104
- Setting Power Saving Devices 105
- Setting Device Standby Time 106
- RAID Viewer 108
- To Online Forcibly 109
- To Failed Forcibly 110
- Step 1 Execute " 111
- Step 3 If " 111
- Scheduling Refresh Battery 113
- Troubleshooting RAID System 115
- Failure Detection Measures 116
- Windows 117
- Buzzer in RAID Controller 118
- Logical drive 121
- Physical device 121
- Physical device (Hot Spare) 121
- [Symbols] 121
- Physical Device 122
- [Online] 122
- Logical Drive 122
- Monitoring Battery Status 126
- Monitoring Enclosure Status 128
- Tree View of RAID Viewer 131
- Property of RAID Viewer 131
- Property of raidcmd 131
- ESMPRO Manager 132
- Using ExpressUpdate 135
- Utility 136
- Avoiding TCP port conflict 137
- Operation Environment 139
- OS Fatal Error Event 140
- RAID Viewer, Log Viewer 141
- Log Rotation 142
- NEC ESMPRO Manager 143
- RAID Controller 143
- Consistency Check 143
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