Install:
apt install mergerfs
Example Mounts:
sudo mergerfs -o defaults,allow_other,use_ino,fsname=mergerFS /mnt/merger\* /mnt/virt/ #Wildcard Mount sudo mergerfs -o defaults,allow_other,use_ino,fsname=mergerFS /mnt/mergerFS01:/mnt/mergerFS02 /mnt/virt/
FStab:
# <file system> <mount point> <type> <options> <dump> <pass> #/mnt/mergerFS* /mnt/virt fuse.mergerfs defaults,allow_other,use_ino,fsname=mergerFS 0 0 #Wildcard Mount /mnt/zfs/a:/mnt/zfs/b/mnt/mergerfs/ fuse.mergerfs defaults,allow_other,use_ino,fsname=mergerFS 0 0