Dell AX4-5 Hardware Installation Guide - Page 47

Troubleshooting This section 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 The nodes cannot access the storage system, or the cluster software is not functioning with the storage system. Probable Cause Corrective Action The storage system is Ensure that the cables are not cabled properly to connected properly from the the nodes or the node to the storage system. See cabling between the "Cabling Your Cluster for Public storage components is and Private Networks" for incorrect. more information. The length of the Ensure that the fibre optic interface cables cables do not exceed 300 m exceeds the maximum (multimode) or 10 km (single allowable length. mode switch-to-switch connections only). One of the cables is Replace the faulty cable. faulty. Switching zone is not Verify that all switched zones are configured correctly. configured correctly. LUNs are not assigned Verify that all LUNs are assigned to the hosts. to the hosts. The cluster is in a Verify the following: SAN, and one or more • Each zone contains only one zones are not initiator (Fibre Channel configured correctly. daughter card). • Each zone contains the correct initiator and the correct storage port(s). Appendix:Troubleshooting 47