Time Machine as backup

Igor PDML-StR pdmlstr at komkon.org
Tue Dec 2 23:57:16 EST 2014

Thank you, Godfrey for satisfying my curiousity!


Godfrey DiGiorgi Tue, 02 Dec 2014 13:00:37 -0800 wrote:

Writing metadata to source files: not automatically but often manually, 
for various reasons. Using them with multiple applications is one of the 
reasons. The frequent use of temporary files (TIFFs generated in the 
source directories in the process of testing ideas) is another.

For best performance, the LR catalog folders are stored on a separate 
volume from the original image files, not embedded into a subfolder of the 
catalog folder. This makes it easier to subdivide catalogs for specific 
projects, each of which might require different renderings.

But the biggest benefit to organizing my backups this way is that the 
resulting archive drives make it possible to instantly grab an external 
drive, connect it to another machine with LR on it, and resume editing 
immediately without having to wait through a lengthy restore process to 
obtain access to the files again. I do this often when I'm teaching or 
working with a client at their office (not so much nowadays that I've 
closed the business down and have my income from other endeavors).


> On Dec 2, 2014, at 11:15 AM, Igor PDML-StR <pdml... at komkon.org> wrote:
> Out of curiousity, - do you write the changes and meta-information back to
> the files that you edit with LR?
> If you don't, - the source files don't change, do they?
> So, unless you store the source files under the directory (aka folder) where
> LR catalog resides, what you are writing about is only relevant to that
> directory.
> But then, in that directory, you have the LR database itself (a huge file
> that changes every time you open LR) and previews that change only when you
> get them generated. So, it is only the LR database file(s) for which your
> strategy is relevant.
> Am I missing something?
> If you do have LR set to write the changes into the source files, - I 
> why? Are you using multiple software packages to edit those files?

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