stop jellyfin
stop sshfs mounts
umount /srv/hdd0
umount /srv/hdd1
umount /srv
resize /srv to create 64GB
create /var on this new partition
copy /var (use rsync) to /new-var
sudo rsync -avxHAX --progress /var/* /mnt/newvar/
edit fstab - set /var using /new-var
reboot
we should now be using /hdd0/var-bak as /var
we should now not be using /srv
umount old-var
umount /srv
resize /srv using parted - create 64GB
resize old-var == +64GB
reboot
we should now be using /hdd0/var-bak and have original /var+64GB
edit fstab - move /var back to /var+64GB
reboot
we should now be using /var+64GB as /var in original location
check+confirm
complete?