This section describes how to remove a virtual IP over InfiniBand (IPoIB) interface from the operating system environment, effectively disassociating the environment from the secure fabric.
For a Windows operating system
Use the Mellanox part_man utility to remove a virtual IPoIB interface:
Launch a Command Prompt window with administrative privileges.
Execute the show command to show all virtual interfaces as well as the secure fabrics the virtual interfaces are associated with.
(For more information, see Determining Mapping of Subnet Tag (PKEY) to Virtual IPoIB Interface.)
Note down the network name for the virtual interface that you want to remove.
Execute the following command with the network name for the virtual interface.
part_man [-v] rem <network connection name>Where
[-v] is a switch for verbose output.
rem is the command to remove a virtual interface. Only one virtual interface can be removed in a single operation.
<network connection name> is the network name of virtual IPoIB interface that you noted down in the previous step. If there are spaces in the name, be sure to enclose the name within quotation marks, for example, “SLOT 3 2”.
For example,
part_man rem "SLOT 3 2"
Note: For more information on the part_man utility (usage, syntax, parameters, and so on), use the command part_man.exe -help.
For a SUSE LINUX operating system
To remove a virtual IPoIB interface, remove all configuration files for the virtual IPoIB interface that you previously created in the SUSE Linux /etc/sysconfig/network directory during Associating a SUSE LINUX Operating Environment with a Secure Fabric. The syntax for the name of a configuration file for a virtual IPoIB interface is:
ifcfg-ibX.YYYY
Where X is 0 or 1, depending on the InfiniBand HCA port; and YYYY is the secure fabric subnet tag (PKEY) in hex.
After removing configuration files, be sure to restart all InfiniBand interfaces and apply changes:
service network restart
Note: You can also reboot the system to apply changes.
For a Red Hat Enterprise Linux operating system
To remove a virtual IPoIB interface, remove all configuration files for the virtual IPoIB interface that you previously created in the Red Hat Linux /etc/sysconfig/network-scripts directory during Associating a Red Hat Enterprise Linux Operating Environment with a Secure Fabric. The syntax for the name of a configuration file for a virtual IPoIB interface is:
ifcfg-ibX.YYYY
Where X is 0 or 1, depending on the InfiniBand HCA port; and YYYY is the secure fabric subnet tag (PKEY) in hex.
After removing configuration files, be sure to restart all InfiniBand interfaces and apply changes:
service network restart nmcli con reload