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76 Troubleshooting Your Enclosure
CAUTION: The cooling fans are hot-pluggable. To maintain proper cooling while
the system is on, replace only one fan at a time.
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 64.
If the replacement fan does not operate, see "Getting Help" on page 81.
Troubleshooting SAS Physical Disks
CAUTION: Only trained service technicians are authorized to remove the
enclosure cover and access any of the components inside the enclosure. Before
performing any procedure, see your Product Information Guide for complete
information about safety precautions, working inside the enclosure and protecting
against electrostatic discharge.
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 56.
2
Inspect the
physical disk
and midplane connectors for obvious damage.
3
Re-install the
physical disk
in its original bay. See "Removing and
Installing Physical Disks" on page 56.
If the problem persists, see "Getting Help" on page 81.
Problem
•
Physical disk
status LED is flashing amber.