I am using the below things to backup video files from an internal Sata drive to an external Usb drive and both drives are on NTFS system file:
XCOPY "M:\My TiVo Recordings\Part1\*.*" "P:\My TiVo Recordings\Part1\" /D /E /V /C /I /Y >> C:\Build\Backup\MediaBackup1.log
Casually, the above will only copy 1 or 2 files at a time. But since today, XCOPY decided that all of the files on the Sata drive were an houw newer than the files on the Usb drive. For an example, a file on the Sata drive that showed modified date/time stamp to some other day. But the same file on the Usb drive was still showing a modified date or time stamp. Hence XCOPY decides that the version on the Sata was newer than the version on the Usb drive and copied it. So it seems that the bug is in the NTFS file system daylight savings time interface for Sata drives. Can anyone please help? Thanks
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