how to restore backups: run these commands on remote server on testing mysql server first copy "full backup" and "incremental backup" to new location. Do not run this command on original folders. then:
xtrabackup --decompress --target-dir=2023-21-02/
xtrabackup --decompress --target-dir=11-23-00/
xtrabackup --prepare --apply-log-only --target-dir=2023-21-02/ xtrabackup --prepare --target-dir=2023-21-02/ --incremental-dir=11-23-00/ sudo rsync -avrP 2023-21-02/ /var/lib/mysql/