Issue Description
The U2000 HA system is used in a project and the hardware configuration of the server is as
follws:
Sun T5220 Single, 4 core CPU, 1.2 GHz, 8 GB memory (4 x 2 GB), 4 X 146 GB hard disks, 1 x 1000M NIC (4 ports), 1 monitor card
The available physical memory of the active server is only 4 GB during installation. The message "MB/CMP0/MCU0 is not configured" is displayed during the system self-test.
Sun T5220 Single, 4 core CPU, 1.2 GHz, 8 GB memory (4 x 2 GB), 4 X 146 GB hard disks, 1 x 1000M NIC (4 ports), 1 monitor card
The available physical memory of the active server is only 4 GB during installation. The message "MB/CMP0/MCU0 is not configured" is displayed during the system self-test.
Alarm Information
MB/CMP0/MCU0 is not configured.
Handling Process
1. Log in to the system in the serial port mode and run the showcomponent command. It is found that the MB/CMP0/MCU0 component is in the disabled state.
2. Run the following commands to change the status of the MB/CMP0/MCU0 component:
SC>enablecomponent MB/CMP0/MCU0
SC>clearasrdb
3. The available physical memory of the active server is correct after the first restart. After the second restart, however, the available physical memory of the active server is incorrect.
4. Disassemble the active server. It is found that the memory module and the slot are in poor contact. Remove the memory module and reinsert it back to the slot, and restart the system. Then, the available physical memory of the active server becomes normal.
2. Run the following commands to change the status of the MB/CMP0/MCU0 component:
SC>enablecomponent MB/CMP0/MCU0
SC>clearasrdb
3. The available physical memory of the active server is correct after the first restart. After the second restart, however, the available physical memory of the active server is incorrect.
4. Disassemble the active server. It is found that the memory module and the slot are in poor contact. Remove the memory module and reinsert it back to the slot, and restart the system. Then, the available physical memory of the active server becomes normal.
Root Cause
Two memory modules are in poor contact with slots in the mother board.
Suggestions
Null
The most popular Huawei OLT as below:
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