Clonezilla with LVM in less size

A week ago my server was not longer booting; I did a backup a day before; luckily I didn’t need it: I started with the live (same disto: ubuntu), copied efi, kernel, initrm, stuff, in the empty partition and it went alive.

I was lucky: in case the damage were worse I would heave to reinstall&configure the services: I would have saved only the data.

A better backup was needed: I want to backup the entire disk so restoring would be effortless. To do that I choose Clonezilla.

The original server has:
`

ORIGINAL PC

sda        8:0    0 953.9G  0 disk 
|-sda1     8:1    0     1G  0 part /mnt/backup_usb
|                 /boot/efi
|-sda2     8:2    0     2G  0 part /mnt/backup_usb
|                 /boot
`-sda3     8:3    0 950.8G  0 part 
  `-ubuntu--vg-ubuntu--lv 252:0    0   100G  0 lvm  /

I have an old Samsung ext HDD of 1.4TB, created the images in there:
`

sdd                         8:48   0   1,4T  0 disk 
|-sdd1                      8:49   0     1G  0 part 
|-sdd2                      8:50   0     2G  0 part /media/mune/07a0b567-dfb7-491c-a7b5-58ce5ebff8f4
`-sdd3                      8:51   0 220,3G  0 part 
  `-ubuntu--vg-ubuntu--lv 253:0    0   100G  0 lvm  

[ note 1 ]

To check everything was ok I tried a restore in a miniPC (intel N-something) but doing the restore I keep having a message about “insufficient space”; that the reason I shrieked the partition on the ext disk [note 1 | partition littler than partition on the cloned PC].

I found guide/articles about LVM or restoring in a littler device but never both together.

Everything looks ok , but it doesn’t work, am I missing something?