IBM Storwize V5000 Gen 2 Series, Quick Installation Manual

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3. Wait 5 minutes for all write data to be flushed to the drives.
4. Unplug both of the power cords from the rear of the expansion enclosure to remove all power from the
enclosure.
Storwize V5000 2077-92F expansion enclosure LEDs and indicators
The 2077-92F (5U) expansion enclosure has several sets of LEDs that provide information about the
overall status of the enclosure, power, drives, fans, canisters, and SAS connections.
The 2077-92F (5U) expansion enclosure has sets of LEDs on the front and rear of the enclosure. Inside of
the expansion enclosure, LEDs also indicate the status of the drives and each secondary expander
module.
Note: All of the information about the 2077-92F expansion enclosure is also applicable to the 2077-A9F ,
2078-A9F , and 2078-92F expansion enclosures.
LEDs on the front of the expansion enclosure
As Figure 119 on page 112 shows, the front of the 2077-92F expansion enclosure contains LEDs for the
display panel ( 1 ) and for each of the power supply units ( 3 ).
Figure 119. LEDs on the front of the expansion enclosure
1 Display panel LEDs
2 Rack retention thumb screws
3 Power supply unit LEDs
4 Power supply units (PSUs)
5 PSU fascia (1U)
6 Front fascia (4U)
The display panel ( 1 ) contains three LEDs that describe the operational status of the expansion
enclosure. Table 20 on page 113 describes the function and meaning of the LEDs on the front display
panel.
112 Storwize V5000 Gen2: Quick Installation Guide