>> However, the virtual hard disk is a pretty large size. My method >> compresses it further so that the size of the backup is much smaller. > Have a look at "borg". It is ideal to backup VMs (or anything using > large files with only marginal changes inside) and I have been using it > for my Virtualbox VMs for a very long time.
You might also like `bup` which does the same kind of deduplication, so
can also be used on large files that change only in small parts.
Stefan
