Hitachi CBL, Hardware Service Manual

Page: 265 / 292

Troubleshooting
17–5
Hitachi Unified Storage Hardware Service Guide
Figure 17-2: Troubleshooting workflow
if Storage Navigator Modular 2 cannot connect
Cannot connect to
the storage system
from Navigator 2
(Array Status
column is “- - -“).
Check the storage
system POWER LED.
LED OFF
If the power cables are
unconnected, connect them.
Check the storage
system READY LED.
(see Note 1)
Turn on the main
switch, and check the
READY LED. (see Note
1)
Recovery work on a
management LAN failure
between Navigator 2 and
the array (check LAN
cable connection, etc.)
see Table 17-1.
Turn off the main switch,
and check the POWER LED.
Turn on the main
switch, and check the
READY LED. (see Note
1)
Turn off the main
switch, and check
the POWER LED.
(see Note 3)
Turn on the main
switch, and check
the READY LED. (see
Notes 2, 3).
Contact the
network
administrator
Remove two power cables
from the Power Units of all
storage systems.
LED ON
Failure
recovery
Failure unrecovery
Contact your
administrator
.
Connect two power cables
to the Power Units of all
storage systems.
Check the storage
system ALARM LED.
Turn off the main switch,
and check the POWER LED.
Turn on the main switch.
LED is OFF or ON for more than 20
minutes .
No
A
A
End
Did you the main
switch off and on
three times?
End
LED ON
LED ON
LED ON
Going Out
LED OFF
LED is OFF or ON for more than 20 minutes.
LED OFF
LED ON
LED OFF
LED ON
LED OFF
LED ON
End
Yes
LED
OFF
No
Cannot connect to
storage system from
Hitachi Storage Navi-
gator Modular 2 (Array
Status column is “---”).
Did you turn the main
switch
off and on
three times?