LSI Corporation
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12Gb/s MegaRAID SAS Software User Guide
March 2014
Chapter 5: The HII Configuration Utility
Managing Controllers
3.
To enable or disable spinning down of configured drives, highlight
Spin Down Configured Drives
and press
Enter. Select either
Enabled
or
Disabled
and press Enter.
4.
To specify a drive’s idle time, after which the drive goes into the power save mode, highlight
Drive Standby Time
and press Enter. Specify the time duration and press Enter.
The drive standby time can be 30 minutes, 1 hour, 1.30 hours, or 2 hours through 24 hours.
5.
To select the desired power-save mode, highlight
Power Save Mode
and press Enter. Select a mode (
None
,
Auto
,
Max
, and
Max without Cache
) and press Enter.
6.
To specify the maximum number of drives that spin up simultaneously, highlight
Spinup Drive Count
and press
Enter. Specify a numeric value and press Enter.
7.
To control the interval (in seconds) between spin up of drives connected to the controller, highlight
Spinup
Delay
and press Enter. Specify the time in seconds and press Enter.
The delay prevents a drain on the system’s power supply that would occur if all drives spun up at the same time.
8.
If you do not want to schedule the drive active time, highlight
Do Not Schedule Drive Active Time
and press
Enter.
9.
To specify the Quality of Service window start time, highlight
Qos Window Start Time
and pres Enter. Specify a
start time and press Enter.
10. To specify the Quality of Service window end time, highlight
Qos Window End Time
and press Enter. Specify a
end time and press Enter.
11. Highlight
Apply Changes
and press Enter. The new settings are saved in the controller properties.
5.4.13
Setting Emergency Spare Properties
The following dialog appears when you select
Spare
from the
Advanced Controller Properties
dialog.
Figure 91 Spare
When a drive within a redundant virtual drive fails or is removed, the MegaRAID firmware automatically rebuilds the
redundancy of the virtual drive by providing a emergency spare drive, even if no commissionable dedicated drive or
global hot spare drive is present.
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