HP StorageWorks 9100c Extreme Data Storage System user guide (496784-001, November 2008)

SAS controller
LEDs
Item
Description Status
1 Battery LED
Green solid—Healthy condition; battery fully charged
Green rapid flash—Being recognized by controller; flashes flash rapidly when
battery first installed and until recognized by controller
Green slow flash—Discharging, cache module being powered by battery;
action required
Amber flashing—Fault condition
2
Controller LED
Green — System activity
Blinking amber — Fault condition
Off — No sy
stem activity
CAUTION:
Do not remove a controller from the chassis while the controllers status LED is green. Removing an
active co
ntroller (green LED) may result in data loss.
9100c Extreme Data Storage System user guide
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