4.2.2 Replacement Method
This section describes troubleshooting by using the replacement method.
Overview
The replacement method is to replace a component that is suspicious of fault to reach the purpose
of locating the fault and removing the fault. The component can be an optical jumper, a cable,
a controller, or a expander module.
Application Scenario
The replacement method applies to the troubleshooting of hardware. The faulty component can
quickly be located through this method and this method has no special requirements on
maintenance personnel. the limitation of the displacement method lies in the preparation for the
same component; therefore, a full preparation is required.
Summery
The advantages of the replacement method is that this method can locate the fault in detailedly
and does not have high requirements on maintenance personnel. Therefore, this method is
practical.
OceanStor S2600 Storage System
Troubleshooting 4 Troubleshooting Principles and Methods
Issue 03 (2010-01-28) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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