No Available Fc Link On The Ism - Huawei OceanStor S2600 Manual

5 Troubleshooting of Common Faults
l
l
Fault Diagnosis
You can determine the cause for the fault through the following procedure:
l
l
Procedure
l
l
----End

5.21 No Available FC Link on the ISM

This section describes how to handle the fault that no available FC link is displayed on the ISM.
Symptom
The FC host port is physically connected to the AS through an optical fiber, but no available
link is displayed on the ISM.
Possible Causes
One of the following causes may arouse the failure of displaying available FC link on the ISM:
5-26
The disk enclosure is powered off abnormally.
The expander cable is improperly connected or the expander cable is faulty.
Cause 1: The disk enclosure is powered off abnormally.
1. Check whether the power indicator on the disk enclosure is normal.
2. If the power indicator on the disk enclosure is off, you can determine that the disk
enclosure is powered off abnormally.
Cause 2: The expander cable is improperly connected or the expander cable is faulty.
1. Log in to the ISM to query whether the corresponding expander port is normally
connected, or observe whether the link indicator of the corresponding expander port
is normal.
2. If the status of the corresponding expander port is displayed as Unconnected on the
ISM or the link indicator is off, you can determine that the link between devices is
disconnected, you can determine that the expander cable is improperly connected or
the expander cable is faulty.
Cause 1: The disk enclosure is powered off abnormally.
1. Check whether the power cable of the disk enclosure is properly connected. Connect
the power cable again if the power cable of the disk enclosure is improperly connected.
2. Check whether the external power supply is normal. Contact the maintaining
personnel for help if the external power supply is abnormal.
3. After the power supply is recovered and the disk enclosure is powered on, the expander
enclosure can be viewed on the ISM interface.
Cause 2: The expander cable is improperly connected or the expander cable is faulty.
1. Remove and insert the data transmission cable again or replace the data transmission
cable.
2. The link indicator on the corresponding expander port is on, and the expander
enclosure can be viewed on the ISM interface.
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
OceanStor S2600 Storage System
Troubleshooting
Issue 03 (2010-01-28)