[DM-MUG] Back up and clone

[Ray Bowler]

Thanks Arne. A much clearer explanation.

At 10:43 PM -0500 5/22/07, Arne Quanbeck wrote:
>Ray,
>This is essentially correct. A backup could include invisible files, 
>but often backups are restricted to document files. A clone is 
>designed to produce the exact contents of your drive so that you 
>could simply boot from your cloned drive and continue your work.
>
>For example, a tape drive could have a complete backup, but you 
>couldn't have a bootable drive (at least not if you wanted it to 
>boot this decade). The backup would have to be restored to a working 
>drive, whereas a clone would already be on a potentially bootable 
>drive.
>Arne
>
>On May 22, 2007, at 10:16 PM, Ray Bowler wrote:
>
>>I was asked after the meeting tonight what the difference was 
>>between back up and a clone. I may not have answered well but my 
>>understanding is that if you just back up you will get only the 
>>visible files and you will not be able to make the drive bootable. 
>>A clone uses root authority to copy the invisible as well as the 
>>visible files. This drive can be "blessed" so that it can be used 
>>as a boot drive. Several programs (superDuper, Disk Utility, Carbon 
>>Copy Cloner) can make the drive  bootable after the clone is one.
>>
>>Does anyone with more expertize wish to elaborate on this?
>>--
>>Ray Bowler
>>
>>rbowler.home.mchsi.com
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-- 
Ray Bowler

rbowler.home.mchsi.com