When you stop using the channel board (25-Gbps iSCSI optical)

To stop using the channel board (25-Gbps iSCSI optical), set the retry count to 0 by using the dlmsetopt utility for setting the HDLM driver option.

1. Run the dlmsetopt utility for setting HDLM driver option.

   Set the number of retries to 0.

   # /opt/DynamicLinkManager/bin/dlmsetopt -epr 0
   KAPL12554-I The utility for setting HDLM driver option has started.
   KAPL12555-I The utility for setting HDLM driver option completed normally.
   KAPL12558-I Please restart the computer so that the option settings take effect.
   #

2. Restart the host.

   # shutdown -r now