Appendix A
LED descriptions
75
MSA 2060/2062 SAS controller module—rear panel LEDs
3 4 5 6 7 8 9 :
12 12 12 12
= SAS
LEDs
LED
Description
Definition
1
Host 12Gb SAS
1
Link Status/
Link Activity
Off — No link detected.
Amber — The port is connected with partial link up (one or more lanes are down, or operating at a
lower link speed inconsistent with other lanes).
Blinking amber — The link has I/O activity.
2
Host 12Gb SAS
1
Link Status/
Link Activity
Off — No link detected.
Green — The port is connected and the link is up with all four SAS lanes active/operating at the
same negotiated speed.
Blinking green — The link has I/O activity.
3
OK
Green — The controller is operating normally.
Blinking green — The system is booting.
Off — The controller module is not OK, or is powered off.
4
Fault
Off — The controller is operating normally.
Amber — A fault has been detected or a service action is required.
5
OK to Remove
Off — The controller module is not prepared for removal.
White — The controller module is prepared for removal.
6
Identify
Blue — The controller module is being identified.
7
Cache Status
2
Green — Cache is dirty (contains unwritten data) and operation is normal. The unwritten
information can be log or debug data that remains in the cache, so a green Cache Status LED does
not, by itself, indicate that any user data is at risk or that any action is necessary.
Off — In a working controller, cache is clean (contains no unwritten data). This is an occasional
condition that occurs while the system is booting.
Blinking green — A nonvolatile memory flush or cache self-refresh is in progress, indicating cache
activity.
8
Network Port Link
Speed
3
Off — Link is up at 10/100base-T negotiated speeds.
Amber — Link is up and negotiated at 1000base-T.
9
Network Port Link
Active
3
Off — The Ethernet link is not established, or the link is down.
Green — The Ethernet link is up (applies to negotiated link speeds).
10
Expansion Port
Link Status
Off — The port is empty or the link is down.
Green — The port is connected and the link is up. Blinks with activity.
Amber — Partial link up (one or more lanes down). Blinks with activity.
1–See the QuickSpecs for qualified SFF-8644 cable options.
2–The Cache Status LED supports power on behavior and operational (cache status) behavior.
3–When the port is down, both LEDs are off.
Figure 47 LEDs: MSA 2060/2062 SAS controller module