it’s the Hynix for sure boot with maintenance mode look at the logs.
sometime i shutdown the rig cut electricity and power up again.
if you use Teamredminer :
–eth_stagger
–eth_ramp_up
–eth_dag_alloc_patch
–eth_dag_cache_verify
–eth_config=B
–short_stats
–high_score
–pool_strategy=min_epoch (for dual mining zil)