Log locations for the Veritas Data Deduplication server
If the VDD server goes into unhealthy state, you can check the HA log files for the reason of failure.
/log/VRTSnas/log/vacontainersha_monitor.log/log/VRTSnas/log/msdpwormha_monitor_<config_name>.log
The log files for the operations that are performed on the Veritas Data Deduplication server are present in the following format: /log/VRTSnas/log/dedupe_<operation>.log