Figure 29. 10Gbase-T iSCSI ports
LED
Description
Color
Status
iSCSI 10Gbase-T link speed Green
On—10GbE link speed
Amber
On—1GbE link speed
None
Off—Not connected or link is down
ACT
iSCSI 10Gbase-T link
activity
Green
On—Connected, link is up
Flashing—Link activity
Off—Not connected or link is down
The following figure shows the host port LEDs on a 12 Gb/s SAS controller module:
Figure 30. 12 Gb/s SAS ports
LED
Description
Color
Status
SAS port status
Green
On—Connected, link is up
Green or amber
Flashing—Link activity
Amber
On—Connected, partial link is up
None
Off—Not connected or link is down
Cache status LED details
This section describes the behavior of the LEDs during powering on and off and cache status behavior.
Power on/off behavior
During power on, discrete sequencing for power on display states of internal components is reflected by blinking patterns
displayed by the Cache Status LED.
Table 7. Cache Status LED – power on behavior
Item
Display states reported by Cache Status LED during power on sequence
Display state
0
1
2
3
4
5
6
7
Component
VP
SC
SAS BE
ASIC
Host
Boot
Normal
Reset
Blink pattern
On 1/Off 7
On 2/Off 6 On 3/Off 5 On 4/Off 4 On 5/Off 3 On 6/Off 2 Solid/On
Steady
Once the enclosure has completed the power on sequence, the Cache Status LED displays Solid/On (Normal), before assuming
the operating state for cache purposes.
24
Storage system hardware
