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256 Troubleshooting: Your Array
c
Reseat the EMM module and wait for 30 seconds. See "Removing an
EMM" in the
MD1200 and MD1220 Storage Enclosures Hardware
Owner's Manual
.
d
Turn on the server.
e
Check the EMM status LED.
f
If the LED does not turn Green, replace the EMM.
If the problem is not resolved, see "Getting Help" on page 265.
• If EMM status LED is blinking amber (5 times per sequence), update the
firmware to the latest supported firmware on both the EMMs. For more
information about downloading the latest firmware, see "Management:
Firmware Downloads" on page 189.
• If the link status LEDs are not green:
a
Turn off the server.
b
Reseat the cables on the expansion array and the server.
c
Turn on the expansion arrays and then the storage array and wait until
the system is fully booted.
d
Turn on the server.
e
Check the link status LED. If the link status LED is not green, replace
the cables.
If the problem is not resolved, see "Getting Help" on page 265.
Troubleshooting RAID Controller Modules
CAUTION: Many repairs may only be done by a certified service technician.
You must only perform troubleshooting and simple repairs as authorized in
your product documentation, or as directed by the online or telephone service
and support team. Damage due to servicing that is not authorized by Dell is not
covered by your warranty. Read and follow the safety instructions that came
with the product.
CAUTION: In the case of non-redundant configurations, it is recommended that
you turn off the host server before turning off the array to prevent loss of data.
book.book Page 256 Tuesday, September 27, 2011 3:25 PM