Hi - Potential (Well almost 100% certain) new OMV user here
I've got a Amahi home server with Greyhole (Drive pooling) and LMS (Logitech/Squeezebox Media Server) (And a lot of other services/servers but none of those are "critical")
I don't want a heavily customized setup - because my know-how is not that great anymore (getting old 
)- so I ask for advice
Is there a possibility of doing a new install - and migrating the data to OMV's default (Out of the box) HDD management system -
* - (I like the Greyhple-JBOD approach, because of the flexibility of space vs. HDD failure proof for critical files - but not Amahi's instability with Greyhole in default config)
* - If this is not a possibility, or hard, or make a hard to update install, I'll have to bet new drives, but since there are no free SATA ports in the machine - I'll have to go via USB - so that has to be bought too 
What is the advantages of doing a Docker install of Squeezebox Media Server, compared to doing a standard CLI .deb install? (and vice versa)
As I don't know OMV - I've watched some guides (YouTube) - and read/searched som threads here - but I's hard to get a good grasp on the basics (getting old )
I know how to follow a guide, I don't know most commands and syntax in terminal 