Traceback (most recent call last): File "/usr/local/sbin/block_sync", line 125, in <module> lock_file = open('/var/lock/{}_{}_backup.lock'.format(args.r_vg, args.r_lv, 'w+')) FileNotFoundError: [Errno 2] No such file or directory: '/var/lock/misc_misc-project_backup.lock'