Dell CX4 manual Troubleshooting

• 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.

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