Thank you for the response.
Is there a more detailed article I can read somewhere that explains the finer and more advanced settings of DP, for example what each balancer does, case scenarios explaining why and when you might want to disable/enable a balancer.
Since you have given us the option to enable or disable a particular balancer, I am assuming there are scenarios where you envision it should be disabled, and I'm curious what they might be and why.
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When you say this,
"As for balancing/duplication, if you have real time duplication enabled (default), then the files are written to both disks in parallel. And this should respect the balancing options."
.... am I understanding things correctly that when I create a pool from 2 empty drives (with file duplication where everything is duplicated without exception), with real time duplication enabled, every input to the pool will always be balanced/duplicated to both disks at any and every point in time, so I don't really have to enable balancing at all.