Avago Technologies MegaRAID Fast Path Software - Manual (Page 146)

Page 146 LSI Corporation Confidential | July 2011
MegaRAID SAS Software User Guide Chapter 4: WebBIOS Configuration Utility | Viewing and Changing Device Properties
4. Click Next to view the fourth Controller Information dialog, as shown in Figure 96 .
Figure 96: Fourth Controller Properties Dialog
Table 21 describes the entries and options listed on the second and third Controller
Information dialog. LSI recommends that you leave these options at their default
settings to achieve the best performance, unless you have a specific reason for
changing them.
Table 21: Controller Information Menu Options
Option Description
Battery Backup This entry indicates whether the selected controller has a BBU. If
present, you can click Present to view information about the BBU. For
more information, see
Section 4.8.5, Viewing and Changing Battery
Backup Unit Information
Set Factory Defaults Use this option to load the default MegaRAID WebBIOS configuration
utility 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 that are 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.