Dot Hill Systems AssuredSAN 4544, Руководство по установке

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32 Installing the enclosures
Connect power cord to AC power supply
Figure 22 AC power cord
Obtain two suitable AC power cords: one for each AC power supply that will connect to a separate power
source. See Figure 22 on page 32 and the illustration at left in Figure 21 when performing the following
steps:
1. Verify that the enclosure’s power switches are in the Off position.
2. Identify the power cord connector on the PSU, and locate the target power source.
3. Using the AC power cords provided, plug one end of the cord into the power cord connector on the
PSU. Plug the other end of the power cord into the rack power source.
4. Verify connection of primary power cords from the rack to separate external power sources.
See
Power cycle .
Power cycle
Once the system is successfully cabled, use the following procedures to power on and power off.
To power on the system :
1. Power up drive enclosure(s). Allow several seconds for disks to spin up.
Press the power switches at the back of each drive enclosure to the
On position.
2. Power up the controller enclosure next.
Press the power switches at the back of the controller enclosure to the
On position.
To power off the system :
1. Stop all I/O from hosts to the system (see Stopping I/O on page 55).
2. Shut down both controllers using either method described below:
• Use RAIDar to shut down both controllers, as described in the online help and AssuredSAN 4004
Series RAIDar User Guide .
Proceed to step 3 .
• Use the command-line interface (CLI) to shut down both controllers, as described in the AssuredSAN
4004 Series CLI Reference Guide .
3. Press the power switches at the back of the controller enclosure to the Off position.
4. Press the power switches at the back of each drive enclosure to the Off position.
Power supply
module
Rack power
source