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
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