At 11:23 AM -0800 11/11/2008, Al wrote:
>  > Maintaining a single separate partition for *each* Mac is the easiest
>>  / cleanest solution.  It means you'll use more storage in total but
>>  it keeps things clean on a per system basis.
>>  No need for an additional set of partitions.  
>
>Okay, total of four bootable partitions, one for each Mac.  And I use
>those same partitions for the incremental backups, right?

yes.

Traditionally, the method was to create a full backup once a month, 
then create incrementals thereafter.  You reconstructed things by 
laborously applying the incrementals to the full backup.  This ment 
that the full backup was NOT representative of your "current" state.

CCC has changed this dynamic a bit.  Functionally the same, but 
eliminates the hassle.  This is better, IMO.  The full backup - a hot 
clone - is kept up-to-date.  The stale stuff is moved aside, to 
become "yesterday's" incremental.  No need to reconstruct things! 
The full backup is already up-to-date!

Time Machine (when it works) uses the same general method as CCC but 
automates rolling things "back".  Cute but not overly necessary, IMO.

>can SuperDuper do the same encrypted tunnel trick between two Macs like CCC?

I don't recall seeing that in the docs, but I haven't checked recently.

>If I remember correctly, you used to favor SuperDuper for its ease 
>of use.  It seems CCC has caught up?

The old CCC missed metadata and couldn't do incrementals easily.  CCC 
has now addressed both of those issues and sports the spiffy new 
clean interface.  It will be interesting to see how SD responds...

I"m waiting for 'em to support segmenting for burning.  The idea 
being to to divide the backup into DVD-sided chunks, to facilitate 
easy burning.  Kindof the way DiskFit did, back in the early 1990s, 
with floppies.  (DiskFit has grown up in both bloat and price - it's 
called Retrospect now).

- Dan.
-- 
- Psychoceramic Emeritus; South Jersey, USA, Earth

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