Dear All please help
i am trying a backup full and differential backup using the following command
to full backup
7za a c:\archive.7z c:\folder_to_archive
Then for the differential:
7za u c:\archive.7z c:\folder_to_archive -ms=off -mx=9 -t7z -u- -up0q3r2x2y2z0w2!c:\diff1.7z
but i am having an error when executing the differential says:
Backup.7z is not supported archive
my backup is 50Gb and i tried the command with a small file size the differential works fine but with the bigger archive I got the error message
please help
thanks