Operation 111
2 Plug the power cords into the power cord receptacles on the rear of the RAID chassis.
3 Plug the other end of the power cords into the rack power source.
4 Turn on (1) the PSU0 power switch and then turn on the PSU1 power switch.
RAID chassis powers on within 3 minutes.
• RAID chassis powers on within 3 minutes.
• While the RAID chassis powers up, the LEDs blink. After the LEDs stop blinking—if no LEDs on
the front and back of the chassis are amber—the power-on sequence is complete, and no
faults have been detected.
• The Power on/Standby LED on the 5U Ops panel should be lit green when the chassis power is
activated.
• See 5U Chassis Ops Panel LEDs on page 128 for details pertaining to 5U84 Ops panel LEDs and
related fault conditions.
Powering Off the 5U84 System
1 Stop all I/O from hosts to the system (see Stopping I/O on page 181).
2 Shut down both controllers using either method described below:
• Use the Disk Storage Management Utility to shut down both controllers, as described in the
QXS G2 Disk Storage Management Utility Users Guide
.
• Use the CLI to shut down both controllers, as described in the
QXS G2 CLI Reference Guide
.
3 On the RAID chassis complete the following:
a Turn off (0) the PSU0 power switch and then turn off the PSU1 power switch.
b Disconnect the power cord’s male plug from the power source.
c Disconnect the power cord’s female plug from the power cord receptacles on PSU0 and PSU1.
4 On the expansion chassis (all attached in this configuration) complete the following:
a Turn off (0) the PSU0 power switch and then turn off the PSU1 power switch.
b Disconnect the power cord’s male plug from the power source.
c Disconnect the power cord’s female plug from the power cord receptacles on PSU0 and PSU1.
Operator’s (Ops) Panel LEDs
Once the chassis has successfully powered on, you can observe its Ops panel–located on the left ear
of the front panel–for LED behavior reflecting chassis status. Refer to the appropriate Ops panel
figure/table from the options below for descriptions of chassis status LEDs and related fault
conditions.
• For 2U12 and 2U24 chassis, see 2U Operator’s (Ops) Panel on page 30.
• For 5U84 chassis, see 5U Chassis Ops Panel on page 32.
3
PSU0 Power Switch
4
PSU1
5
PSU1 Power Receptacle
6
PSU1 Power Switch
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