Avago Technologies MegaRAID SAS 9240-4i - Manual (Page 27)

LSI Corporation
- 27 -
MegaRAID SAS Device Driver Installation User Guide
December 2012
Chapter 6: FreeBSD Driver Installation
Installing the FreeBSD OS on Storage Managed by a MegaRAID Controller (Primary Storage)
3. Copy the appropriate driver to the diskette.
This driver is the driver from the folder x86 if you are installing a 32-bit FreeBSD OS, and the x86_64 folder if you
are installing a 64-bit FreeBSD OS.
You need the driver source from the file components/src/driver_name.tgz to update the kernel with a
new driver.
For example:
For the mfi driver, the driver source is in the file components/src/mfi.tgz.
For the mrsas driver, the driver source is in the file components/src/mrsas.tgz.
6.4 Installing the FreeBSD OS on Storage Managed by a MegaRAID Controller
(Primary Storage)
This section describes how to load the FreeBSD OS kernel driver module to enable boot device support and then how
to compile the current drivers into the kernel from source files.
Use the procedure in this section if your boot unit is going to be managed by the MegaRAID controller.
6.4.1 Issues Concerning the LSI MPT Driver and the Outdated LSI MPT Driver
The process for using your MegaRAID controller for primary storage might be affected by the LSI mpt driver and
FreeBSD versions 6.1-9.X containing outdated LSI mfi in-box driver.
If the mpt driver issue occurs, the system generates a continuous soft and hard reset, and the system cannot boot. The
installation disk will not install the OS and the process must be terminated. To avoid the issue with the mpt driver, you
need to disable the mpt driver.
If you have FreeBSD versions up to 7.4, 8.2, or 9.0, your FreeBSD OS most likely contains the outdated mfi driver in the
kernel. You might need a new FreeBSD kernel ISO to exclude the outdated mfi driver, before you load the updated mfi
driver (version 4.8 or newer) or the mrsas driver. With the new FreeBSD kernel ISO, and the updated mfi driver (version
4.8 or newer) or the mrsas driver, you can complete the installation and boot your FreeBSD system through a
MegaRAID virtual drive.
Note that this situation no longer exists after the mpt driver issue is fixed and the outdated inbox mfi driver is replaced
with the new mfi driver. LSI is working to resolve this situation so that the extra steps are not necessary in the future.
For now, refer to the Knowledgebase article 16687, Installing FreeBSD drivers for MR Primary Storage, on the LSI website
(
http://www.lsi.com / SUPPORT / Knowledgebase) for instructions on how to download the FreeBSD ISO.
After you have the FreeBSD Installation disk with the new FreeBSD kernel ISO and the mfi driver (version 4.8 or newer)
or the mrsas driver ready, perform the instructions that follow. These instructions describe how to load the FreeBSD
kernel driver module to enable boot device support, and then how to compile the current drivers into the kernel from
source files.