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Troubleshooting: Your Storage Array Software 259
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 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 <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 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.
book.book Page 259 Thursday, December 9, 2010 3:20 PM