$ rsync -az -vv backup@jf-scanner::qingsuan/XYSHAGLS.BAK ./ >log 2 >&1
Password:
opening tcp connection to jf-scanner port 873
receiving file list ... 
done
delta transmission enabled
XYSHAGLS.BAK
WARNING: XYSHAGLS.BAK failed verification -- update discarded (will try again).
XYSHAGLS.BAK
sent 2350730 bytes  received 1228410062 bytes  150745.40 bytes/sec
total size is 7067788800  speedup is 5.74
ERROR: XYSHAGLS.BAK failed verification -- update discarded.
rsync error: some files could not be transferred (code 23) at /home/lapo/packagi
ng/tmp/rsync-2.6.3/main.c(1146)