Troubleshooting Enclosure Cooling Problems; Troubleshooting A Fan; Troubleshooting Sas Physical Disks - Dell PowerVault MD3000 Hardware Owner's Manual

Troubleshooting Enclosure Cooling Problems

Problem
• Systems management software issues a fan-related error message.
Action
Ensure that none of the following conditions exist:
• Ambient temperature is too high.
• External airflow is obstructed.
• A power supply/cooling fan module has failed. See "Troubleshooting a Fan" on page 64.

Troubleshooting a Fan

Problem
• Enclosure-status indicator is amber.
• Systems management software issues a fan-related error message.
• Fan status indicator indicates a problem with the fan.
Action
1 Locate the malfunctioning fan.
2 Ensure that the faulty power supply/cooling fan module is properly connected to the enclosure
midplane.
3 If the problem is not resolved, install a new power supply/cooling fan module. See
"Removing and Installing the Power Supply/Cooling Fan Module" on page 54.
If the replacement fan does not operate, see "Getting Help" on page 69.

Troubleshooting SAS Physical Disks

NOTICE:
This procedure can destroy data stored on the physical disks. Before you continue, back up all files on
the disk.
Problem
• A single physical disk is not seen in MD Storage Manager.
Action
1 Remove the physical disk from the enclosure. See "Removing and Installing Physical Disks" on
page 48.
2 Inspect the physical disk and midplane connectors for obvious damage.
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Troubleshooting Your Enclosure