I've managed to set everything up and I went from 183.6 to 186.6 with around the same power usage.
Sometimes when changing config or when restarting the rig I have an issue.
Mining working:
Eth speed: 186.634 MH/s, shares: 130/0/0, time: 0:44
GPUs: 1: 33.274 MH/s (25) 2: 33.700 MH/s (20) 3: 30.380 MH/s (18) 4: 28.789 MH/s (18) 5: 30.340 MH/s (28) 6: 30.151 MH/s (21)
Config Change with phoenixminer restarting:
phoenixminer
http://download.hiveos.farm/custom/phoenixminer-3.5_c.tar.gz
Already installed
Creating epools.txt
Appending user config
Phoenix Miner 3.5c Linux/gcc - Release build
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After this nothing happens. Restarting phoenixminer doesn't seem to work - as the same sequence of events happen. Restarting the entire rig works most of the time.
Edit: I'm using HiveOS which could be the issue since it's not officially supported.