make ephemeral raid work when root fs isn't the first one on df
make ephemeral raid work when root fs isn't the first one on df

viafoura/buri,MarkRose/buri,viafoura/buri,viafoura/buri,MarkRose/buri,MarkRose/buri,jhohertz/buri,jhohertz/buri,MarkRose/buri,jhohertz/buri,jhohertz/buri,viafoura/buri