Sas/Sata Hot-Plug Hard Drive Leds - HP Proliant ML150 G6 Maintenance And Service Manual

SAS/SATA Hot-Plug Hard Drive LEDs

The SAS and SATA hot-plug hard drive LEDs are located on each physical drive and visible when the
front bezel is open.
•
Activity LED—This green LED indicates the disk drive access activity. This LED is controlled by the
disk drive directly. When a drive is accessed, the LED shows a green light
•
Status LED—This amber/blue LED indicates the drive operating condition: normal, warning, or
failure.
Table 5–3 describes the LEDs signals used to indicate the operating status of a SAS or SATA disk
drive.
Table 5-5
Carrier status light definitions
Activity
(green)
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Status
(amber/blue) Description
No power, offline or not configured
Normal operation under power. no activity [green is on-solid]
Normal operation under power, disk activity [green is fluttering]
Offline, disk not being accessed, predictive failure [amber is flashing at
constant 1 Hz]
Online, no activity, predictive failure (further investigation required) [green is
fluttering, amber is flashing at constant 1 Hz]
Disk activity, predictive failure (further investigation required) [green is
fluttering, amber is flashing at constant 1 Hz]
Offline, no activity, critical fault condition [amber is on-solid]
Offline, drive selected (blue reserved for identification only) [blue is on steady]
Drive rebuilding [green is flashing at constant 1 Hz]
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