IBM Storwize V7000 Unified Manual page 124

Attention: Do not go to the next section until the LEDs are in the required states.
If any error lights are displayed, see the Storwize V7000 Unified Problem
Determination Guide documentation CD for more information about light path
issues.
File module power features:
104
IBM Storwize V7000 Unified: Adding Storwize V7000 File Modules to an existing Storwize V7000 system 2073-720
Table 50. LED status when control enclosure is powered on (continued)
Hardware component
Node canister, rear. The
reference to the top and
bottom locations applies to
canister 1, which is the upper
canister. The LED locations
are inverted for canister 2,
which is the lower canister.
Power supply unit, control
enclosure. The reference to
the left and right locations
applies to power supply unit
1, which is the left power
supply. The LED locations
are inverted for power
supply unit 2, which is the
right power supply.
LED name
Fibre Channel port
Ethernet port, if used
SAS ports
System status, left
Fault status, middle
Power status, right
Power supply, upper right
ac power failure
dc power failure
Fan failure
+ -
Battery failure
Battery good, lower right
+ -
If power on and no fault is
detected
If the Fibre Channel port is
used: One or more LEDs are
on or flashing per port. The
LEDs are located between
the Fibre Channel ports. The
arrow-shaped LEDs point
toward the affected port.
One or more LEDs are on
per port.
When a SAS port is
functioning correctly, all four
green LEDs above the port
are on. If no cable is plugged
into the port, or if the
canister at either end of the
cable is not yet fully started,
the LEDs are not on.
LED is flashing or on. The
status is on if the node
canister is an active member
of a clustered system. The
LED is flashing if the node
canister is in service or
candidate state. If the LED is
off, the node canister might
still be booting up. Wait up
to 5 minutes for the node
canister to complete booting
up.
LED is off.
LED is on.
LED is on.
LED is off.
LED is off.
LED is off.
LED is off
LED is on or flashing.