HP MSA 1040 SAN Storage - Manual (Page 68)

68 LED descriptions
MSA 1040 Array LFF or supported 12-drive expansion enclosure
Figure 26 LEDs: MSA 1040 Array LFF 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 69) .
3 Disk drive Fault/UID See "Disk drive LEDs" (page 69) .
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 4 7 10
3 6 9 12
1 2 3
Left ear Right ear
4
5
6
Note: Integers on disks indicate drive slot numbering sequence.
1
2
3
4
5
6
7
8
9
10
11
12