Dell PowerVault MD3200 Owner's Manual - Page 237
Refresh, Make sure that the network can access the controllers by using
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b Make sure that the network can access the host by using the ping command in the following syntax: ping . If the network can access the host, continue to step c. If the network cannot access the host, skip to step d. c Remove the host with the unresponsive status from the MDSM, and add that host again. If the host returns to optimal status, you have completed this procedure. d Make sure that the power to the host is turned on and that the host is operational. e If applicable, make sure that the host bus adapters have been installed in the host. f Examine all external cables and switches or hubs to make sure that you cannot see any damage and that they are tightly connected. g If you have recently replaced or added the controller, restart the host context agent software so that the new controller is found. If a problem exists, make the appropriate modifications to the host. 4 If you have an out-of-band storage array, use the following procedure. Click Refresh after each step to make sure of the results: a Make sure that the network can access the controllers by using the ping command. Use the following syntax: ping . If the network can access the controllers, continue to step b. If the network cannot access the controllers, skip to step c. b Remove the storage array with the unresponsive status from MDSM, and add that storage array again. If the storage array returns to optimal status, you have completed this procedure. Troubleshooting: Your Storage Array Software 237