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Memory RAID Feature
If ounters an uncorrectable error, the memory RAID feature switches to the other memory
bo
D
T
board 4
one of the four memory boards enc
ard to continue operation. To use this feature, four memory boards must be installed. Each memory board must have the
IMM of same capacities.
he table below shows combinations of memory boards installed.
Memory board 1 Memory board 2 Memory board 3 Memory
A 2GB (1GB*2) 2GB (1GB*2) 2GB (1GB*2) 2GB (1GB*2)
B 8G B ) B (2GB*4) 8GB (2GB*4) 8GB (2G *4) 8GB (2GB*4
C 4G B ) B (1GB*4) 4GB (1GB*4) 4GB (1G *4) 4GB (1GB*4
Setting BIOS
S SETUP and select [Advanced] → [Memory Configuration] → [Memory RAS Feature] in order and set as follows:
memory mirroring feature: Select [Mirror].
To enable the memory RAID feature: Select [RAID].
Others
f physically installed memory – capacity for
standby memory
Memory mirroring feature: 1/2 of actually installed memory capacity
ory RAID feature: 3/4 of actually installed memory capacity
bling the memory mirroring or memory RAID feature does not influence the operations of applications.
The following
a)
b)
c)
p
d)
repor low
Expl Part of the DIMM was isolated due to a memory error.
Mem
Date/ti
tart
To enable the
Memory capacity displayed on the operating system = total capacity o
Mem
Ena
The each feature is automatically disabled when an error message is displayed:
indicates that the memory mirroring /memory RAID feature has worked:
The Redundancy lamp on the front panel of the server lights green.
The failing DIMM group is degraded when the server restarts.
If ESMPRO Agent has been installed, the following log is registered as a system log of Event Viewer:
Source name: ESMCommonService
Event ID: 2313
Ex lanation: Part of the DIMM was isolated due to a memory error.
Memory number: XX
Date/time: XX
If report setting is made through ESMPRO Agent, Manager reporting and ALIVE reporting is performed. The
t contents are as fol s:
anation:
ory number: XX
me: XX
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