Asus PIKE 2008/IMR - Manual (Page 38)

2-24 Chapter 2: RAID configuration
Controller Properties Menu Options
Option Description
Set Factory
Defaults
Use this option to load the default MegaRAID ® WebBIOS CU settings.
The default is [No].
Cluster Mode
Use this option to enable or disable Cluster mode. The default is
[Disabled]. A cluster is a grouping of independent servers that can
access the same data storage and provide services to a common set
of clients. When Cluster mode is disabled, the system operates in
Standard mode.
Rebuild Rate
Use this option to select the rebuild rate for drives connected to the
selected controller. The default is 30 percent. The rebuild rate is the
percentage of system resources dedicated to rebuilding a failed drive.
The higher the number, the more system resources devoted to a
rebuild.
BGI Rate
Use this option to select the amount of system resources dedicated
to background initialization of virtual drives connected to the selected
controller. The default is 30 percent.
CC Rate
Use this option to select the amount of system resources dedicated
to consistency checks of virtual drives connected to the selected
contrroller. The default is 30 percent.
Reconstruction
Rate
Use this option to select the amount of system resources dedicated
to reconstruction of drives connected to the selected controller. The
default is 30 percent.
NCQ
Native Command Queuing (NCQ) gives an individual drive the ability to
optimize the order in which it executes the read and write commands.
The default is [Enabled].
Coercion Mode
Drive coercion is a tool for forcing drives of varying capacities to the
same size so they can be used in a drive group. The coercion mode
options are None, 128MB-way, and 1GB-way. The default is None.
S.M.A.R.T.
Polling
This option determines how frequently the controller polls for drives
reporting a Predictive Drive Failure (S.M.A.R.T. error). The default is
300 seconds (5 minutes).