Supported raid levels, Figure 3 – Avago Technologies MegaRAID SAS 9240-4i User Manual
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Note:
These controllers also work in PCI Express first
generation slots. The PCI Express software is
backward compatible with previous revisions of
the PCI bus and the PCI-X bus. Refer to the
guide for your motherboard for information about
the PCI Express slot.
Figure 3 Installing the MegaRAID SAS 9240-4i or
SAS 9240-8i RAID Controller
Step 5
Configure and Install the SAS Devices, SATA
II Devices, or Both in the Host Computer Case
Refer to the documentation for the devices for any
preinstallation configuration requirements.
Step 6
Connect the RAID Controller to the SAS
Devices, SATA II Devices, or Both in the Host
Computer Case
Use SAS cables to connect the RAID controller to
SAS devices, SATA II devices, or both. See
to view the connector
locations, depending on which controller you
have.
Note:
Refer to the MegaRAID 6Gb/s SAS RAID
Controllers User’s Guide on the MegaRAID
Universal Software Suite CD for detailed
information about the SAS cables.
Step 7
Turn on the Power to the Computer
Reinstall the computer cover and reconnect the
power cords.
Turn on power to the computer, making sure that
the power is turned on to the SAS devices and
the SATA II devices before or at the same time
that the power to the host computer is turned on.
If the power is turned on to the computer before
it is turned on to the devices, the computer might
not recognize the devices.
The firmware takes several seconds to initialize.
During this time, the controller scans the ports.
Step 8
Run the WebBIOS Configuration Utility
Run the WebBIOS Configuration Utility to
configure the groups and the virtual drives. When
the message Press <Ctrl><H> for WebBIOS
appears on the screen, immediately press
CTRL+H to run the utility.
Note:
Refer to the MegaRAID SAS Software User’s
Guide on the MegaRAID Universal Software
Suite CD for detailed steps on configuring groups
and virtual drives.
Step 9
Install the Operating System Driver
The controller can operate under various
operating systems, but you must install the
software drivers first.
The MegaRAID Universal Software Suite CD
includes the software drivers for the supported
operating systems, along with documentation.
You can view the supported operating systems
and download the latest drivers for RAID
controllers from the LSI web site at:
Access the download center, and follow the steps
to download the driver.
Refer to the MegaRAID SAS Device Driver
Installation User’s Guide on the MegaRAID
Universal Software Suite CD for more information
about installing the driver. Be sure to use the
latest service packs that are provided by the
operating system manufacturer and to review the
readme
file that accompanies the driver.
S U P P O R T E D R A I D L E V E L S
The SAS 9240-4i RAID controller and the SAS 9240-8i RAID
controller support drive groups using the following RAID
levels:
• RAID 0 (data striping): Data is striped across all drives
in the group, enabling very fast data throughput. There is
no data redundancy. All data is lost if any drive fails.
• RAID 1 (drive mirroring): Data is written simultaneously
to both drives in the drive group, providing complete data
redundancy if one drive fails. RAID 1 supports an even
number of drives from 2 to 32 in a single span.
• RAID 5 (drive striping with distributed parity): Data is
striped across all drives in the group. Part of the capacity