# ./MLNX_OFED_LINUX-x.x-x-rhel6.3-x86_64/mlnx_add_kernel_support.sh -m /tmp/MLNX_OFED_LINUX-x.x-x-rhel6.3-
x86_64/ --make-tgz
Note: This program will create
MLNX_OFED_LINUX TGZ
for rhel6.3 under /tmp directory.
All Mellanox,
OEM, OFED,
or Distribution IB packages will be removed.
Do
you want to continue?[y/N]:y
See log
file
/tmp/mlnx_ofed_iso.21642.log
Building
OFED
RPMs.
Please
wait...
Removing
OFED
RPMs...
Created /tmp/MLNX_OFED_LINUX-x.x-x-rhel6.3-x86_64-ext.tgz
The DKMS (on Debian based OS) and the weak-modules (RedHat OS) mechanisms rebuild the
initrd/ini
tramfs for the respective kernel in order to add the MLNX_OFED drivers.
When installing MLNX_OFED without DKMS support on Debian based OS, or without KMP
support on RedHat or any other distribution, the initramfs will not be changed. Therefore, the
inbox drivers may be loaded on boot. In this case, openibd service script will
automatically
unload them and load the new drivers that come with MLNX_OFED.
# mount
-o ro,loop
MLNX_OFED_LINUX-<ver>-<OS label>-<CPU
arch>.iso
/mnt
Example
The following command will create a MLNX_OFED_LINUX ISO image for RedHat 6.3 under the /
tmp directory.
•
The script adds the following lines to /etc/security/limits.conf for the userspace components
such as MPI:
•
* soft memlock unlimited
•
* hard memlock unlimited
•
These settings set the amount of memory that can be pinned by a userspace application
to unlimited. If desired, tune the value unlimited to a specific amount of RAM.
For your machine to be part of the InfiniBand/VPI fabric, a Subnet Manager must be running on one of
the fabric nodes. At this point, Mellanox OFED for Linux has already installed the OpenSM Subnet
Manager on your machine.
For the list of installation options, run:
Installation Procedure
1.
Login to the installation machine as root.
2.
Mount the ISO image on your machine.
3.
Run the installation script.
On Ubuntu and Debian distributions drivers installation use Dynamic Kernel Module
Support (DKMS) framework. Thus, the drivers' compilation will take place on the host
during MLNX_OFED installation. Therefore, using "mlnx_add_kernel_support.sh" is
irrelevant on Ubuntu and Debian distributions.
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