Huawei OceanStor S2600 Manual page 79

OceanStor S2600 Storage System
Troubleshooting
Impact on the System
No impact on the system.
Prerequisite
Before you replace an expander module, the following conditions are required:
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Tools and Materials
Before replacing an expander module, prepare the following tools:
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Precaution
When replacing an expander module, pay attention to the following:
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Procedure
Step 1 Wear an ESD-preventive wrist strap, ESD-preventive gloves, or ESD-preventive clothes.
Step 2 Pull the connectors of the mini SAS cable out of the expander module.
Step 3 As shown in
and remove the controller.
Issue 03 (2010-01-28)
The spare parts to be used are ready.
There are complete replacing solution and rollback solution.
The configuration data is backed up.
The mini SAS cable that connects to the expander module to be replaced is marked clearly.
ESD-preventive gloves
ESD-preventive wrist strap
ESD-preventive clothes
ESD-preventive bag
Tag
Remove and insert an expander module with equal force; otherwise, too much force may
cause damage to the physical appearance or plug-ins.
When replacing an expander module, you must remove the expander module and install a
new expander module within one and a half minutes.
Figure 6-9, fully open the spring leafs of the expander module in the arrow direction
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6 Replacing Parts
6-13