• Each zone contains the correct initiator and the correct storage port(s).
Troubleshooting

Troubleshooting

This appendix provides troubleshooting information for your cluster configuration. Table A-1 describes general cluster problems you may encounter and the probable causes and solutions for each problem.

Table A-1. General Cluster Troubleshooting

Problem

Probable Cause

Corrective Action

 

 

 

The nodes cannot

The storage system is

Ensure that the cables are connected

access the storage

not cabled properly to

properly from the node to the storage

system, or the

the nodes or the

system. See "Cabling Your Cluster for

cluster software is

cabling between the

Public and Private Networks" on

not functioning

storage components is

page 17 for more information.

with the storage

incorrect.

 

system.

 

 

 

The length of the

Ensure that the fibre optic cables do

 

interface cables

not exceed 300 m (multimode) or 10

 

exceeds the maximum

km (single mode switch-to-switch

 

allowable length.

connections only).

 

One of the cables is

Replace the faulty cable.

 

faulty.

 

 

Access Control is not

Verify the following:

 

enabled correctly.

• All switched zones are configured

 

 

 

 

correctly.

 

 

• The Access Control software is

 

 

enabled on the storage system.

 

 

• All LUNs and hosts are assigned to

 

 

the proper storage groups.

 

The cluster is in a

Verify the following:

 

SAN, and one or more

• Each zone contains only one initiator

 

zones are not

(Fibre Channel daughter card).

 

configured correctly.

 

 

55

Page 55
Image 55
Dell CX4 manual Troubleshooting