Specifications

Falcon 24 Bay SCSI-SATA Installation and Hardware Reference Manual

Power Supply Safety Restrictions

No. of Failed PSUs Responses and Preventive Actions

1. Warning events are issued.

2. Cached data is flushed to hard drives (also depend on

the Event Triggered configuration settings on the

firmware).

3. If previously configured to the Write-back mode, the

caching mode is automatically switched to the

conservative Write-through mode.

1. Warning events are issued.

2. The subsystem is temporarily held in an idle state.

3. The firmware forces the subsystem to stop serving

host I/O requests.

4. Array administrators should manually turn the power

switch off and then on after the failed PSUs are

replaced.

5. If the subsystem is powered on with only one PSU, the

firmware will start the initialization process but stays

idle after that until at least one other PSU is added.

1.2.8 Cooling Modules

Part Number: - IFT-9274CFanMod

The 24 BAY subsystems come with two (2) hot-swappable, redundant, dual-fan

cooling modules (shown in Figure 1-11) pre-installed in the subsystem. Two (2) 8cm

blowers are housed in each cooling module and provide ventilation airflow. These

modules generate a cooling airflow from the front to the rear of the subsystem, extracting

the heat generated by the SATA hard drives. The two (2) cooling fan modules are

installed directly above the PSUs. (See Figure 1-5).

1-12

Subsystem Components