

Backups… with LVM, if you’re trying to do a full system backup (ie with clonezilla, etc) then you have to backup the whole thing - you can’t backup just 1 drive.
I have a media server with 2x 2TB HDDs and 1x SSD in a LVM, split into Music, Video, TV… and the OS … and I can backup the individual files of course, but I can’t backup just the OS drive.
btrfs didn’t exist when I created it, but I use it on my NAS and it’s great.
I’ll be rebuilding my media server one day and change LVM to btrfs.


I think this summarises all the other answers here