User Manual

InstallationRev 2.3-1.0.1

Mellanox Technologies

Example

The following command will create a MLNX_OFED_LINUX ISO image for RedHat 6.3 under

the /tmp directory

# ./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 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 user space 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.

2.3.1 Installation Procedure

Step 1. Login to the installation machine as root.

Step 2. Mount the ISO image on your machine

host1# mount -o ro,loop MLNX_OFED_LINUX-<ver>-<OS label>-<CPU arch>.iso /mnt

Step 3. Run the installation script.

./mnt/mlnxofedinstall

Logs dir: /tmp/MLNX_OFED_LINUX-x.x-x.logs

This program will install the MLNX_OFED_LINUX package on your machine.

Note that all other Mellanox, OEM, OFED, or Distribution IB packages will be removed.

Uninstalling the previous version of MLNX_OFED_LINUX

Starting MLNX_OFED_LINUX-x.x.x installation ...

........

Installation finished successfully.

Attempting to perform Firmware update...

Querying Mellanox devices firmware ...