J. P. Gilliver (John) said:
Since I only do images (either full or incremental), I don't need to do
[]
When you say image, I take it you mean a file-by-file image, not a
sector-by-sector one: I can't imagine what an incremental sector-by-sector
image would mean.[/QUOTE]
I use whatever the default is as far as the method. According to the manual,
"Disk/partition backups are different from file and folder backups. Acronis
True Image 2013 stores a
sector-by-sector snapshot of the disk or partition. This includes the
operating system, registry,
drivers, software applications, data files, and system areas hidden from the
user. This procedure is
called "creating a disk image," and the resulting backup is often called a
disk/partition image.
By default Acronis True Image 2013 stores only the hard disk sectors that
contain data.
A partition image includes all files and folders (including hidden and
system files), boot record, and
FAT (file allocation table). It also includes files in the root directory
and the zero track of the hard disk
with the master boot record (MBR).
A disk image includes images of all disk partitions and the zero track with
the MBR. "
It then goes on to explain:
"1) Full: contains all of the data at the moment of the backup creation. It
forms a base for further
incremental or differential backups. It can also be used as a standalone
backup.
2) Incremental: Only those files will be included which have been changed
since the LAST backup.
3) Differential: Only those files will be included which have been changed
since the last FULL backup."
it would seem that an incremental would also be sector-by-sector (even
though it's not checked by default in either method). I would assume (yeah,
I know what that means) that on an incremental, it would only back up the
sectors that have changed since the the last (reference) image. Since I only
do one Incremental between the full images, I guess really I'm doing a
Differential.
Not being a software engineer or program designer/writer, I can't say
exactly *how* it works, only that it *does* work, and very well for me