I have a number of GPT data drives (i.e., not the boot/OS drive) I want to regularly backup to a external drives. I haven't found a practical way to do this:
- I can use a "clone" feature in something like EaseUS, but that only works for one-to-one drives. I want to copy the contents of two data drives onto one backup drive.
- All "Backup" products I have tried create (often proprietary) archives, preventing individual files from being accessed without extracting (sometimes the entire archive).
- Using
robocopyor any other non-VSS utility will invariably get stuck on files that are open. I don't want to have to shut all programs and services to do a bulk copy of a drive. - Any utility that does a file-by-file copy takes days to run. I can "clone" 1TB of data in under 4 hours, but all methods I have tried (copy, xcopy, robocopy) that try to move files iteratively take at least 24 hours to copy the same data set.
What are practical options for taking copies of data on large working drives under Windows 7 or 10?