Chapter 2: Hardware Overview
StorNext M660 Components
30
StorNext M660 Metadata Appliance Hardware Guide
Service
Action
Required
(Fault)
• Controller canister
• Power-fan canister
• Drive
On
– When the drive tray LED is on, a
component within the drive tray needs
attention.
On
– The Controller canister, the
power-fan canister, or the drive needs
attention.
Off
– The Controller canister, the
power-fan canister, and the drive are
operating normally.
Note:
The drive has an LED, but no
symbol.
AC Power
• Controller canister
• Power-fan canister
On
– AC power is present.
Off
– AC power is not present.
DC Power
• Power-fan canister
On
– Regulated DC power from the
power-fan canister is present.
Off
– Regulated DC power from the
power-fan canister is not present.
Link Service
Action
Required
(Fault)
• Controller canister
On
– The cable is attached, and at least
one lane has a link-up status, but one
lane has a link-down status.
Off
– The cable is not attached, and all
lanes have a link-up status, or the cable
is attached, and all lanes have a link-
down status.
Link Up
Two LEDs
above
each
expansion
connector
• Controller canister
On
– The cable is attached, and at least
one lane has a link-up status.
Off
– The cable is not attached, or the
cable is attached and all lanes have a
linkdown status.
LED
Icon
Location
General Behavior
