Asus DS300 G2 Series, Руководство пользователя

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DS300f G2 Series User Manual
124
M
anaGInG the
raId C
ontrollers
(Clu)
RAID controller management includes the following functions:
• "Viewing Controller Information (CLU)" on page 124
• "Making Controller Settings (CLU)" on page 124
• "Locating the Controller (CLU)" on page 125
v
IewInG
c
ontroller
I
nformatIon
(clu)
Controller Management includes information, settings and statistics.
To access Controller Management:
1. From the Main Menu, highlight
Subsystem Management
and press
Enter
.
2. Highlight
Controller Management
and press
Enter
.
The Controller summary information includes:
• Controller ID – 1 or 2
• Alias – if assigned
• Operational Status – OK means normal. Might show BGA running. Not
present indicates a malfunction or no controller is installed
• Readiness Status – Active or Standby is normal. N/A means not accessible
3. Highlight the controller you want and press
Enter
.
To access additional controller information, highlight
Advanced Information
and press
Enter
.
To access controller statistics, highlight
Controller Statistics
and press
Enter
.
c
leAring
s
tAtistics
To clear controller statistics, see "Clearing Statistics (CLU)" on page 167.
c
learInG an
o
rPhan
w
atermark
(clu)
This condition is the result of a disk drive failure during an NVRAM RAID level migration on a disk array.
To clear an orphan watermark:
1. From the Main Menu, highlight
Subsystem Management
and press
Enter
.
2. Highlight
Controller Management
and press
Enter
.
3. Highlight one of the controllers and press
Enter
.
4. Highlight
Clear Orphan Watermark
and press
Enter
.
The condition is cleared. See "Physical Drive Problems" on page <?> for more information.
m
akInG
c
ontroller
S
ettInGS
(clu)
If your subsystem has two controllers, any settings you make to one controller automatically apply to the other
controller.
To make Controller settings:
1. From the Main Menu, highlight
Subsystem Management
and press
Enter
.
2. Highlight
Controller Management
and press
Enter
.
3. Highlight the controller you want and press
Enter
.
4. Highlight
Controller Settings
and press
Enter
.
5. Make the following settings as required:
• Type an alias into the Alias field.
Maximum of 48 characters. Use letters, numbers, space between words and underscore. An alias is
optional.
• Highlight LUN Affinity and press the spacebar to toggle between Enabled and Disabled .
RAID controllers must be set to Active-Active.
See "Making Subsystem Settings (CLU)" on page 122
and "LUN Affinity" on page <?> .
• Highlight Coe
rcion
and press the spacebar to toggle between
Enabled
and
Disabled
.
For more information, see “Capacity Coercion” on page 196.
• Highlight
Coercion Method
and press the spacebar to toggle through:
GB Truncate
– Reduces the capacity to the nearest 1 GB boundary.
10 GB Truncate
– Reduces the capacity to the nearest 10 GB boundary.
Grp (group) Rounding
– Uses an algorithm to determine truncation. Results in the maximum amount
of usable drive capacity.
Table Rounding
– Applies a predefined table to determine truncation.