Table 5 LED status lights (continued)
Light Quantity Color Meaning
l
Disk and fan
lights are only
available when
enclosure is
removed from the
chassis.
l
Slow blinking
when the drive is
spinning and
handling I/O
activity.
Disk Fault
Only visible after the
disk enclosure is
opened.
1 per disk module Amber On when the disk
module is faulty, or as
an indication to
replace the drive.
Fan fault 1 per fan module Amber On when the fan
module is faulty, or as
an indication to
replace the fan.
The DD OS software manages the drives in packs (groups) of 15. A top down view of
the chassis shows that the disks are arranged in four packs (groups) of 15 drives. The
packs are color coded—pack 1 purple, pack 2 is yellow, pack 3 is green, and pack 4 is
pink. A pack must have the same size drives. Pack 1 is shown within the red rectangle.
DS60 Shelf Installation Overview
14 Data Domain DS60 Expansion Shelf Hardware Guide
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