[Help] USB files disappearing

[AndyB]

For some time now I've had scheduled backups from my F2-210 to an external 1TB Samsung HDD.

This is split across several jobs, some that run nightly, some at weekends. I recently checked whether recent backups had been taking place by browsing the files on the external HDD. For some reason only one set of backups was showing (users home directories). Other backups including music, video and photographs were not showing.

This in itself is strange, however yesterday I manually ran those jobs and could see the files being copied over.

Today I've had reason to check the backup HDD and once again all of the backups that I ran yesterday are again missing, with the drive showing more available free space once again.

What's going on here?