[root@sysrescue ~]# partclone.ext4 -c -s /dev/sda1 -o /dev/sdb1
...
Elapsed: 00:05:32, Remaining: 23:46:57, Completed:   0.39%,   5.12MB/min,
Current block:       6912, Total block:    7287552, Complete:   0.09%

Bloody hell 😆