Resource Lun Fault - Huawei OceanStor S2600 Manual

OceanStor S2600 Storage System
Troubleshooting
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5.16 Resource LUN Fault

This section describes how to handle the resource LUN fault.
Symptom
In the resource pool of the ISM, invalid resource LUNs are discovered.
Possible Causes
One of the following causes may arouse the resource LUN fault:
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Fault Diagnosis
You can determine the cause for the fault through the following procedure:
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Procedure
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Issue 03 (2010-01-28)
TIP
Measures taken to prevent the invalid RAID group:
Proportional hot-spare disks are configured.
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Before performing any operation on the hardware of the storage device, you need to know the
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configurations of the storage system to avoid misoperations.
The disk enclosure where the resource LUN is located is powered off abnormally.
The expander cable of the disk enclosure where the resource LUN is located is improperly
connected.
The RAID group that owns the resource LUN is invalid.
Cause 1: The disk enclosure where the resource LUN is located is powered off abnormally.
1. Check whether the power indicator on the disk enclosure where the resource LUN is
located is normal.
2. If the power indicator on the disk enclosure is off, you can determine that the disk
enclosure where the resource LUN is located is powered off abnormally.
Cause 2: The expander cable of the disk enclosure where the resource LUN is located is
improperly connected.
1. Check whether the link indicator of the expander port on the disk enclosure is normal.
2. If the link indicator of the expander port on the disk enclosure is off, you can determine
that the expander cable of the disk enclosure where the resource LUN is located is
improperly connected.
Cause 3: The RAID group that owns the resource LUN is invalid.
1. Log in to the ISM to check whether the RAID group that owns the resource LUN is
normal.
2. If the status of the RAID group that owns the resource LUN is Fault, you can
determine that the RAID group where the resource LUN is located is invalid.
Cause 1: The disk enclosure where the resource LUN is located is powered off abnormally.
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5 Troubleshooting of Common Faults
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