80
LED descriptions
MSA 2040 Array LFF or supported 12-drive expansion enclosure
Figure 32
LEDs: MSA 2040 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
.
3
Disk drive Fault/UID
See
.
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
Summary of Contents for MSA 2040
Page 8: ...8 Figures ...
Page 10: ...10 Tables ...
Page 32: ...32 Installing the enclosures ...
Page 44: ...44 Connecting hosts ...
Page 50: ...50 Connecting to the controller CLI port ...
Page 52: ...52 Basic operation ...
Page 70: ...70 Troubleshooting ...
Page 74: ...74 Support and other resources ...
Page 76: ...76 Documentation feedback ...
Page 88: ...88 LED descriptions ...
Page 94: ...94 Electrostatic discharge ...
Page 100: ...100 Index ...