Troubleshooting: Your Storage Array Software 259
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, go 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 are 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 <controller-IP-address>
If the network can access the controllers, continue to step b. If the
network cannot access the controllers, go 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.
c
Examine the ethernet cables to make sure that you cannot see any
damage and that they are tightly connected.
d
Make sure that the applicable network configuration tasks are done
(for example, the IP addresses are assigned to each controller).
book.book Page 259 Saturday, September 24, 2011 9:06 AM
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