Troubleshooting: Your Array 295
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Troubleshooting: Your Array

Safety First—For You and Your Array

CAUTION: Many repairs may only be done by a certified service technician.
Youmust only perform troubleshooting and simple repairs as authorized in
yourproduct documentation, or as directed by the online or telephone service
andsupport 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
withthe product.

Troubleshooting Storage Array Startup Failure

If your system halts during startup, check if:
• The array emits a series of beeps.
• The array fault LEDs are lit. See "RAID Controller Modules" on page 33.
• There is a constant scraping or grinding sound when you access the hard
drive. See "Getting Help" on page 309.

Troubleshooting Loss of Communication

For information about troubleshooting loss of communication, see
"Troubleshooting Array and Expansion Enclosure Connections" on page303.

Troubleshooting an SFP Transceiver

CAUTION: When handling static-sensitive devices, take precautions to avoid
damaging the product from static electricity.
NOTE: Before proceeding with this section see "Working with SFP Modules" and
"Fiber Optic Cables" in the
Dell PowerVault MD3600f Deployment Guide
at
dell.com/support.
book.book Page 295 Tuesday, June 18, 2013 3:03 PM