3.1.2 Matrix Server Installation Guide

Appendix A: Install the RHEL4 Operating System and Kernel 44
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– If you want Matrix Server to load the HBA driver, you may need to
modify the /etc/modprobe.conf file. In the file, look for entries such as
the following for scsi_hostadapter.
alias scsi_hostadapter qla2x00
alias scsi_hostadapter1 aic7xxx
alias scsi_hostadapter2 ...
NOTE:
Skip this step if the file has the following entry:
alias scsi_hostadapter off
Remove the scsi_hostadapter entry for QLogic or Emulex drivers,
or comment them out with a “#” symbol. Then, if there are
additional entries for the scsi_hostadapter, renumber the entries.
(The first scsi_hostadapter entry is not numbered, the second entry
is scsi_hostadapter1, the third entry is scsi_hostadapter2, and so
on.) In this example, the edited file will look like this:
alias scsi_hostadapter aic7xxx
alias scsi_hostadapter1 ...
Matrix Server appends the removed modules to the /etc/hotplug/
blacklist file, which specifies modules that should not be automatically
loaded by the kernel. This creates a controlled environment for Matrix
Server at boot time, allowing it to load its own modules. If this
behavior is not desired, the blacklist file can be edited; however, doing
this is not recommended.