Enabling load balancing on an ATTO 8-Gbps HBA

To use load balancing on an ATTO 8-Gbps HBA, you must enable the Target Port Group Support (TPGS) host type.

About this task

To enable load balancing on Apple hosts with an 8-Gbps HBA from ATTO Technology, complete the following steps:

Procedure

  1. Change the system host type from Generic to TPGS.
  2. Activate the new configuration by rebooting the Apple host.
  3. Verify that the new configuration is active by completing the following steps:
    1. Run the ATTO Configuration tool, which is in the ATTO Configuration Tool folder for the Applications folder.
    2. Verify that all the 2145 paths are shown as Preferred/Mixed for Read- and Write-Mode.
    3. Verify that the paths per LUN show up as Preferred or Alternate, which depends on the preferred system node for that LUN.

What to do next

The following website provides more information about the ATTO Configuration tool:

www.attotech.com/features/config-tool