Chapter 2: Installing the Chassis
Power On/Power Off
QX and QXS Setup Guide
89
Figure 86:
AC power cord
To power off the system
:
1. Stop all I/O from hosts to the system (see Stopping I/O
).
2. Shut down both controllers using
either
method described below:
l
Use the Disk Storage Management Utility to shut down both controllers, as described in the
QXS
StorageDisk Storage Management Utility Users Guide
.
.
l
Use the CLI to shut down both controllers, as described in the
QXS StorageCLI Reference Guide
.
3. Disconnect the power cord’s male plug from the power source.
4. Disconnect the power cord’s female plug from the power cord connector on the power supply.
DC Power Supplies with Power Switch
Note:
Refer to Figure 84 on page 87 to see an illustration of the 4U56 AC power supply (with a switch).
A DC power supply equipped with a power switch is shown below.
