Configuring for fast fail and dynamic tracking

You must enable the fast fail and dynamic tracking attributes for hosts systems that run an AIX® 5.2 or later operating system.

Before you begin

Before configuring your host system to use these attributes, ensure that the host is running the AIX operating system version 5.2 or later.

About this task

To configure your host system to use the fast fail and dynamic tracking attributes follow these steps.
Note: These steps need to be taken only on systems running AIX 6.1 or 5.2. The commands require the fscsiX device to be in the defined state.

Procedure

  1. Issue the chdev -l fscsi0 -a fc_err_recov=fast_fail command to set the Fibre Channel SCSI I/O Controller Protocol Device event error recovery policy to fast_fail for each Fibre Channel adapter.
    This example command is for adapter fscsi0.
    Note: By default, dynamic tracking is enabled on all systems running AIX 7.1.
  2. Issue the chdev -l fscsi0 -a dyntrk=yes command to enable dynamic tracking for each Fibre Channel device.
    This example command is for adapter fscsi0.