all restores from the same backup
~ $ ls /mnt/volume1/
1683140886.txt 1683148730.txt backup1 lost+found
~ $ ls /mnt/volume2
1683140886.txt 1683148730.txt backup1 backup2 lost+found
~ $ ls /mnt/volume3
1683140886.txt 1683148730.txt backup1 backup2 lost+found
~ $ ls /mnt/volume4
1683140886.txt 1683148730.txt backup1 backup2 lost+found
~ $ ls /mnt/volume3
1683140886.txt 1683148730.txt backup1 backup2 lost+found
~ $ ls /mnt/volume4
1683140886.txt 1683148730.txt backup1 backup2 lost+found
~ $ ls /mnt/volume5
1683140886.txt 1683148730.txt backup1 lost+found
~ $ ls /mnt/volume6
1683140886.txt 1683148730.txt backup1 backup2 lost+found
~ $ ls /mnt/volume7
1683140886.txt 1683148730.txt backup1 backup2 lost+found
~ $ ls /mnt/volume8
1683140886.txt 1683148730.txt backup1 lost+found
~ $
/mnt $ for i in `ls`; do echo $i; ls $i;done
volume1
1683140886.txt 1683149927.txt backup1 lost+found
volume2
1683140886.txt 1683149927.txt backup1 lost+found
volume3
1683140886.txt 1683149927.txt backup1 backup2 lost+found
volume4
1683140886.txt 1683149927.txt backup1 lost+found
volume5
1683140886.txt 1683149927.txt backup1 lost+found
volume6
1683140886.txt 1683149927.txt backup1 lost+found
volume7
1683140886.txt 1683149927.txt backup1 lost+found
volume8
1683140886.txt 1683149927.txt backup1 backup2 lost+found
~ $ cd /mnt
/mnt $ for i in `ls`;do echo $i; ls $i; done
volume1
1683140886.txt 1683150833.txt backup1 lost+found
volume2
1683140886.txt 1683150833.txt backup1 lost+found
volume3
1683140886.txt 1683150833.txt backup1 backup2 lost+found
volume4
1683140886.txt 1683150833.txt backup1 backup2 lost+found
volume5
1683140886.txt 1683150833.txt backup1 lost+found
volume6
1683140886.txt 1683150833.txt backup1 backup2 lost+found
volume7
1683140886.txt 1683150833.txt backup1 lost+found
volume8
1683140886.txt 1683150833.txt backup1 lost+found
/mnt $