Use the show ft history command in Exec mode. The syntax of this command is:
show ft history {cfg_cntlr | ha_dp_mgr | ha_mgr}
The keywords and options are:
cfg_cntlr-Displays the configuration controller debug log
ha_dp_mgr-Displays the high availability (HA) dataplane manager debug log
ha_mgr-Displays the HA manager debug log