Dell PowerVault MD3000i User's Guide   - Page 105

If a problem exists, make the appropriate modifications to the host.

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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 MD Storage Manager, 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 hostagent 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 the MD Storage Manager, and add that storage array again. If the storage array returns to optimal status, you have completed this procedure. c Examine the ethernet cables to make sure that you cannot see any damage and that they are tightly connected. Troubleshooting 105

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Troubleshooting
105
b
Make sure that the network can access the host by using the
ping
command in the following syntax:
ping <host-name-or-IP-address-of-the-host>
.
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 MD Storage
Manager, 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-
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 <controller-IP-address>
.
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 the MD
Storage Manager, and add that storage array again.
If the storage array returns to optimal status, you have completed this
procedure.
c
Examine the ethernet cables to make sure that you cannot see any
damage and that they are tightly connected.