Troubleshooting Your Enclosure; Safety First-For You And Your Enclosure; Start-Up Routine; Troubleshooting A Loss Of Communication Condition - Dell PowerVault MD1120 Hardware Owner's Manual

Troubleshooting Your Enclosure

Safety First—For You and Your Enclosure
To perform certain procedures in this document, you must work inside the
enclosure. While working inside the enclosure, do not attempt to perform
service except as explained in this guide and elsewhere in your
documentation.
CAUTION:
Only trained service technicians are authorized to remove the system
cover and access any of the components inside the system. Before you begin this
procedure, review the safety instructions that came with the system.

Start-Up Routine

Look and listen during the enclosure's start-up routine for the indications
described in Table 4-1. For a description of the front- and back-panel
indicators, see "About Your System" on page 7.
Table 4-1. Start-Up Routine Indications
Look/listen for:
A series of beeps emitted by the
enclosure.
Alert messages.
An unfamiliar constant scraping or
grinding sound when you access a
physical disks.
Troubleshooting a Loss of Communication
Condition
The following activities may cause loss of communication to occur:
• Installing or replacing an EMM while the server is online
• Downloading enclosure firmware
Action
See "Enclosure Alarms" on page 20.
See the Server Administrator documentation.
See "Getting Help" on page 53.
Troubleshooting Your Enclosure
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