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NEC Express5800/R120a-1 Manual de usuario Pagina 92

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Operation when the Logical Drive is offline due to failure of Physical Device
If you continue to use the RAID System with lost redundancy of a Logical Drive and another Physical Device is failed further, the redundancy of the Logical Drive is lost
ical Devices and Rebuild the RAID System.
Figure e)
completely (two or more Physical Devices of RAID Level 1 or 5 is failed, three or more Physical Devices of RAID Level 6 is failed). The status of a Logical Drive without
redundancy is offline (with its [Status] being [Offline]). The data in a Logical Drive in the offline status is lost. Replace all failed Phys
25 Display of RAID Viewer / raidcmd (Under lost redundancy of Logical Driv
Become [Fatal]by
existence of
[Offline] node.
> raidcmd property -tg=ld -c=1 -l=1
, 2, 3
4KB
ck
RAID Controller #1 Logical Drive #1
ID : 0
Physical Device Number : 1
Disk Array Number : 1
RAID Level : 5
Stripe Size : 6
Capacity : 146GB
Cache Mode (Current) : Write Ba
Cache Mode (Setting) : Auto Switch
Status : Offline
>
Structure and Status of RAID System
Tree View of RAID Viewe
r
Property of RAID Viewe
r
Property of raidcmd
Logical Drive
[Offline]
> raidcmd property -tg=pd -c=1 -p=3
RAID Controller #1 Physical Device #3
ID : 2
Enclosure : 1
Slot : 3
Devi Type : HDD ce
Interface : SAS
Vendor/Model : Seagate ST12345678
.A.R.T. : Normal
Firmware Version : BK09
Serial Number : 1111
Capacity : 146GB
Status : Failed
S.M
>
#1
nline][O
#2
[Failed
#3
[Failed
#1 [Offline]
5
] ]
RAID Level:
T
wo failed Physical
Devices
[Failed]
> raidcmd property -tg=pd -c=1 -p=3
ce #3
ST12345678
rmal
Vendor/Model : Seagate
Status : Failed
Serial Number : 1111
46GB
Firmware Version : BK09
RAID Controller #1 Physical Devi
ID : 2
Enclosure : 1
Slot : 3
Device Type : HDD
Interface : SAS
S.M.A.R.T. : No
Capacity : 1
>
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