Installation guide

Software Operation Manual
84
host the ability to spin up the disk drives sequentially or in groups, allowing the drives
to come ready at the optimum time without straining the system power supply.
Staggering drive spin-up in a multiple drive environment also avoids the extra cost of
a power supply designed to meet short-term startup power demand as well as steady
state conditions.
RAID controller has included the option for customer to select the disk drives
sequentially stagger power up value. The values can be selected from 0.4ms to 6ms
per step which powers up one drive.
4.8.2.2 Time to Hdd Low Power Idle
This option delivers lower power consumption by automatically unloading recording
heads during the setting idle time.
4.8.2.3 Time to Hdd Low RPM Mode
This function can automatically spin disks at lower RPM if there have not been used
during the setting idle time.
4.8.2.4 Spin Down Idle HDD (Minutes)
This function can automatically spin down the drive if it hasn't been accessed for a
certain amount of time. This value is used by the drive to determine how long to wait
(with no disk activity, before turning off the spindle motor to save power.)
4.8.3 Fiber Channel Config (only for FC)
To configure Fiber Channel parameters, click "System Controls" -> "Fiber Channel
Config" from the Menu Frame of the RAID manager. Select the volume set number
that you want to configure the Fiber Channel parameter.
Make sure to check "Confirm the Operation" then click "Submit" button for change to
come into effect.