40 QXS G2 Hardware Installation and Maintenance Guide
CNC Controller (2-Port FC and 10GbE SFPs) and LED
Figure 47 provides an illustration of the CNC controller (2-port FC and 10GbE SFPs) and LEDs for the
2U12, 2U24, and 5U84 chassis.
NOTE: This CNC controller is used in the QXS-G2-312 and QXS-G2-424.
Figure 45 CNC (FC and 10GbE SFPs) Controller LEDs
LED
Description Definition
1
Host 4/8/16Gb FC
1
Link
Status/Link Activity
Off — No link detected.
Green — The port is connected and the link is up.
Blinking green — The link has I/O or replication activity.
2
Host 10GbE iSCSI
2,3
Link Status/Link
Activity
Off — No link detected.
Green — The port is connected and the link is up.
Blinking green — The link has I/O or replication activity.
3
OK Green — The controller is operating normally.
Blinking green — 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.
Blinking amber — Hardware-controlled power-up or a cache flush or restore
error.
5
OK to Remove Off — The controller is not prepared for removal.
Blue — The controller module is prepared for removal.
6
Identity White — The controller module is being identified.
7
Cache Status
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 CompactFlash flush or cache self-refresh is in progress,
indicating cache activity.
8
Network Port Activity
Status
5
Off — The Ethernet link is not established, or the link is down.
Green — The Ethernet link is up (applies to all negotiated link speeds).
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