5.1 Types of Faults
This section describes the types of common faults, including network element fault, module
fault, network management software fault, service fault, and network connection fault.
Network Element Fault
Table 5-1 lists the network element faults.
Table 5-1 Network element faults
Type of Network Elements Fault Description
Storage system l Degraded RAID groups
l Invalid RAID groups
l Turning On of the disk alarm/location
indicator
l Turning on of the fan running/alarm
indicator
l Turning on of the power running/alarm
indicator
l Failing to discover LUNs on the AS
l Turning on of the controller alarm
indicator
l Failing to format LUNs
l Failing to communicate between the
storage system and the AS
l Failing to discover arrays on the ISM
l No output from the CLI serial port
l Failing to log in to the ISM
l Failing to dial by the Modem
l Failing to discover the connected
expander enclosure
AS
l Failing to discover LUNs on the AS
l Failing to communicate between the
storage system and the AS
l Failing to log in to the ISM
Module Fault
Table 5-2 lists the module faults.
OceanStor S2600 Storage System
Troubleshooting 5 Troubleshooting of Common Faults
Issue 03 (2010-01-28) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
5-3
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