NOTE
You can locate a component in either of the following ways:
l Locating a component based on alarms in DeviceManager: On the Alarms and Events page
of DeviceManager, view the help information and locate the component to be replaced.
l Locating a component based on the status of its Running/Alarm indicator: For details about the
indicators on different components, see 4.4 Running/Alarm Indicators on Power Modules,
BBUs, and Fan Modules.
Precautions
l Remove and insert a BBU with even force. Excessive force may damage the appearance
or connectors of the BBU.
l Remove only one BBU at a time.
l When a BBU is being replaced, the storage system does not have BBU redundancy.
Therefore, you are advised to replace a BBU as quickly as possible.
l A BBU must be replaced within five minutes. Otherwise, the system heat dissipation is
compromised.
Tools and Materials
l ESD wrist strap
l ESD bag
l Labels
Procedure
Step 1 Perform a pre-replacement check.
Check whether there is a redundant BBU and whether the Running/Alarm indicator of the
BBU is steady green, as shown in Figure 4-43. For details about the indicators on different
components, see Running/Alarm Indicators on a Dorado6000 V3 Controller Enclosure.
Figure 4-43 Running/Alarm indicator on a BBU
You can perform replacement only when a redundant BBU exists and the redundant BBU is
working properly.
Step 2 Wear an ESD wrist strap.
Step 3 Press the latch on the BBU to release the handle and pull out the BBU, as shown in Figure
4-44.
OceanStor Dorado V3 Series
Parts Replacement
4 Replacing CRUs
Issue 05 (2019-01-30) Copyright © Huawei Technologies Co., Ltd. 42
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