https://technet.microsoft.com/de-de/library/cc733145(v=ws.10).aspx

/MIR = mirror

start_backup.cmd

set CURRENTTIME=%TIME%
set FILEDATE=%DATE:~6,4%%DATE:~3,2%%DATE:~0,2%
set LOGFILE=backup_%DATE:~6,4%%DATE:~3,2%%DATE:~0,2%
 
echo Sicherung gestartet: >> sicherung.log
echo %date:~0% - %time:~0,8% Uhr >> sicherung.log
 
mkdir \\10.0.0.3\Backup-Data\backup_%ARCHIVNAME%
 
c:\windows\system32\robocopy.exe d:\daten \\10.0.0.3\Backup-Data\backup_%ARCHIVNAME% /MIR /log+:sicherung.log /nfl /ndl
echo Sicherung beendet: >> sicherung.log
echo %date:~0% - %time:~0,8% Uhr >> sicherung.log