forcing FFS to use Volume Shadow Copy for all files

[alk]

I use Freefilesync rather long and happy to see how fast this brilliant project is growing.
One of the features making it a must have application is support of Volume Shadow Copy Service.
It is great that during copying FFS knows what to do if the file appears to be opened by other application. FFS checks whether the file is locked and if not it copies the original, otherwise it picks up the file from shadow copy of the original volume.
OK, let's see the case when FFS started copying some big original file which was not locked at this moment. What is really important for me is to make sure that no one of the such original files appear to be opened by any other application later, during synchronization. In other words, I would like to force FFS to pick up all files from shadow copy without checking whether they opened or not.
I know it is possible to arrange using some Microsoft SDK VSS batch files that initially create new volume and even assign new drive letter to this volume. Then in FFS batch job it's enough to use new volume drive letter as a source instead of the original.
But it would be much easier to do just inside FFS with some extra command line keys or GUI check box forcing to use VSS for all files to be synced. I hope it would not be so hard for developer and seems to be useful especially for people who need to sync very big files on heavy loaded web-site without its interruption. Thanks in advance.

[Zenju]

> make sure that no one of the such original files appear to be opened by any other application later

I don't understand your request. Is it that you want to continue to work on the files *while* FFS is copying them?

[alk]

yes