668 Implementing the IBM Storwize V5000 Gen2 with IBM Spectrum Virtualize V8.1
Canister status
The status of each canister is displayed by three LEDs on the back of the unit, as shown in
Figure 12-10.
Figure 12-10 Node canister status LEDs (the Storwize V5020)
The meaning of each LED is described in Table 12-4.
Table 12-4 Canister status LEDs
Fault (right) Amber
OFF If the LED is off, no known conditions are preventing normal operation,
unless the battery status LED is also on.
ON An active condition or fault could compromise normal operation.
SLOW BLINK There is a non-critical fault with the battery.
Battery in use Green
OFF The battery is not being used to power the canister.
FAST BLINK The battery is currently providing power for a “fire hose”
dump.
Name and
position
Color State and Meaning
Name and
position
Color State and Meaning
Power (left) Green
OFF No power is available or power is coming from the battery.
SLOW BLINK Power is available but the main CPU is not running; the
system is in standby mode.
FAST BLINK System is in self test.
ON Power is available and the system code is running.
Status
(middle)
Green
OFF Indicates one of the following conditions:
– No power to the canister
– Canister is in standby mode or self test
– Operating system is loading
BLINK The canister is in candidate or service state. It is not performing I/O.
It is safe to remove the node.
BLINK FAST The canister is carrying out a fire hose dump.
ON The canister is active, able to perform I/O, or starting. The system is part
of a cluster.
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