Front panel LEDs 79
B LED descriptions
Front panel LEDs
HP MSA 2040 models support small form factor (SFF) and large form factor (LFF) enclosures. The SFF
chassis, configured with 24 2.5" SFF disks, is used as a controller enclosure. The LFF chassis, configured
with 12 3.5" LFF disks, is used as either a controller enclosure or drive enclosure.
Supported drive enclosures, used for adding storage, are available in LFF or SFF chassis. The MSA 2040
6 Gb 3.5" 12-drive enclosure is the large form factor drive enclosure used for storage expansion. The HP
D2700 6 Gb enclosure, configured with 25 2.5" SFF disks, is the small form factor drive enclosure used for
storage expansion. See "SFF drive enclosure" (page 17) for a description of the D2700.
MSA 2040 Array SFF enclosure
Figure 31 LEDs: MSA 2040 Array SFF enclosure front panel
LED Description Definition
1 Enclosure ID Green — On
Enables you to correlate the enclosure with logical views presented
by management software. Sequential enclosure ID numbering of
controller enclosures begins with the integer 1. The enclosure ID for
an attached drive enclosure is nonzero.
2 Disk drive Online/Activity See "Disk drive LEDs" (page 81).
3 Disk drive Fault/UID See "Disk drive LEDs" (page 81).
4 Unit Identification (UID) Blue — Identified.
Off — Identity LED off.
5 Heartbeat Green — The enclosure is powered on with at least one power
supply operating normally.
Off — Both power supplies are off; the system is powered off.
6 Fault ID Amber — Fault condition exists. The event has been identified, but
the problem needs attention.
Off — No fault condition exists.
1 2 3
Left ear Right ear
4
5
6
Note: Integers on disks indicate drive slot numbering sequence.
12345678 9101112131415161718192021222324
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