Powering drives and cooling drives represent a major cost for data centers. The MegaRAID Dimmer Switch (power save) feature set reduces the power consumption of the devices that are connected to a MegaRAID controller. Reducing the power consumption helps to share resources more efficiently and lowers the cost.
Power consumption helps to share resources more efficiently and lowers the cost.
In the Controller dashboard, select More Actions > Manage Power Save Settings.
The Manage Power Save Settings dialog appears.
Figure 1. Manage Power Save Settings Dialog
Select the Unconfigured Drives check box to let the controller enable the unconfigured drives to enter the Power Save mode.
Select the Spare Drives check box to let the controller enable the spare drives to enter the Power Save mode.
Select the spin down time using the drop-down list from the Spin Down Time: field.
The drive standby time can be 30 minutes, 1 hour, and 2 hours through 24 hours.
Set the Smart Poll Internal Interval in seconds.
Set the Smart Poll External Interval in seconds.
To enable smart polling for drives, check the Enable Drives Smart Polling checkbox.
To enable drive temperature polling, check the Enable Drives Temperature Polling checkbox.
