For this issue i will only accept a GIT pull request which implements the feature above completely. It must be tested and should not break existing functionality. After that we will see if it goes into master.
I have this setup currently working in Debian stretch. And I do assume that this way of configuring smartd.conf will work for all raidcontrollers supported by Smartmontools. ( ref: https://www.smartmontools.org/…upported_RAID-Controllers)
To fix I need to know if Smartd.conf file is available for editing or locked/controlled from another file.
EDIT: Possible to add the option in 4.x to manually configure smartd.conf from commandline? as people then can tweak their system as needed? My thought is that people with specific raidcards etc are people with enough skills to edit two configfiles as needed according to a simple guide in the forum. This will solve all challenges for specific usercases and less work to maintain.