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NEC Express5800/R120a-1 Bedienungsanleitung Seite 43

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43
Item
RAID Viewer
Item Description
raidcmd
Disk Array
Informa
Disk Array Indicates the number of the Disk Array in which the Logical Drive exists and the
tion Information information on the location in the Disk Array. The information is displayed in
the following format.
<RAID Viewer>
Disk Array number (sequence number starting from the top / sequence number
of Logical Drive in Disk Array)
<raidcmd>
Disk Array number (order sequence number starting from the top / sequence
number of Logical Drive in Disk Array)
RAID Level RAID Level Indicates the RAID Level of the Logical Drive.
The value can be RAID 0, RAID 1, RAID 5, RAID 6, RAID 00, RAID 10, RAID 1E,
RAID 50 or RAID 60.
Capacity Capacity Indicates the capacity of the Logical Drive in GB.
Stripe Size of the Logical Drive.
e 1KB, 2KB, 4KB, 8KB, 16KB, 32KB, 64KB, 128KB, 256KB,
4KB.
Stripe Size Stripe Size Indicates the
The value can b
512KB, or 102
Cache Mode Cache Mode Indicates the current value of the mode of writing data to the cache memory
(Current) (Current) installed in the RAID Controller.
Three possible modes are as follows:
Write Back: Writes data to the cache memory asynchronously.
Write Through: Writes data to the cache memory synchronously.
Cache Mode
(Setting)
Cache Mode
(Setting)
Indicates the mode of writing data to the cache memory installed in the RAID
Controller.
Three possible modes are as follows:
Auto Switch: Switches the mode automatically between Write Back and Write
depending on the existence and/or status of battery.
Write Back: Writes data to the cache memory asynchronously.
ough: Writes data to the cache memory synchronously.
Through
Write Thr
Status Status Indicates the status of the Logical Drive.
Three possible status are as follows:
Online: Indicates that the redundancy of the Logical Drive is retained.
Degraded: Indicat rive is lost or es that the redundancy of the Logical D
degraded. Accessing to the Logical Drive is enabled.
Offline: Indicates t ssing to the Logical hat the Logical Drive is offline and acce
Drive is disabled.
Each RAID Controller supports specific rted items
indicate space or do not appear in the
Each RAID Controller supports specific Cache Modes. Unsupported Cache Modes do not
appear.
Each RA oller supports specific items appearing on the Property tab of the
Logical d specific items whose settings can be changed. Unsupported items
in n
RAID Levels and Stripe Sizes. Unsuppo
list.
ID Contr
Drive an
dicate space or do ot appear in the list.
The status of a Logical D ID Level and the number of
Physical Devices failed.
If the RAID Level is RAID l
be [Degraded] or [Offlin
rive is defined depending on the RA
10 or RAID 50 and two Physical Devices are failed, the status wil
e] depending on the failed Physical Devices.
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