Use partclone instead of clonezilla.
https://wiki.archlinux.org/title/Partclone
Easy to clone systems using it, either to a new disk or different partition.
Partclone supports many file systems.
ls /usr/bin | grep partclone
partclone.btrfs
partclone.chkimg
partclone.dd
partclone.exfat
partclone.ext2
partclone.ext3
partclone.ext4
partclone.ext4dev
partclone.extfs
partclone.f2fs
partclone.fat
partclone.fat12
partclone.fat16
partclone.fat32
partclone.hfs+
partclone.hfsp
partclone.hfsplus
partclone.imager
partclone.info
partclone.minix
partclone.nilfs2
partclone.ntfs
partclone.ntfsfixboot
partclone.ntfsreloc
partclone.reiserfs
partclone.restore
partclone.vfat
partclone.xfs
Partclone is what I use for my system image backups. Simply to backup, simple to restore.
Whatever you do, practice your process in a VM first … make all your mistakes there.