DELL MD3220 사용자 설명서

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Troubleshooting: Your Array
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Troubleshooting Array Cooling Problems
 
CAUTION: 
Many repairs may only be done by a certified service technician. 
You should 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.
Ensure that none of the following conditions exist:
• Array cover or drive blank is removed.
• Ambient temperature is too high. See “Technical Specifications” in the 
Getting Started Guide.
• External airflow is obstructed.
• The power supply/cooling fan module is removed or has failed. See 
If the problem is not resolved, see "Getting Help" on page 253.
Troubleshooting Expansion Enclosure 
Management Modules
 
CAUTION: 
Many repairs may only be done by a certified service technician. 
You should 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: 
It is recommended that you turn off the host server before turning off 
the expansion enclosure array to prevent loss of data.
• If the EMM status LED is solid or blinking amber (2 or 4 times per 
sequence):
a
Turn off the server.
b
Remove the EMM and verify that the pins on backplane and EMM are 
not bent. See Removing an EMM in the MD1200 and MD1220 
Storage Enclosures Hardware Owner's Manual.
book.book  Page 243  Monday, June 21, 2010  11:00 AM