> On Dec 2, 2014, at 5:41 PM, steve harley <[email protected]> wrote: > > on 2014-12-02 10:22 Eric Weir wrote >> Still working on the elements of a system for moving my photo database off >> my computer and for backing up the database and everything else. I imagine >> it’s not a good idea, but not clear about the reasons: On Macs why not rely >> on Time Machine for backing up the photo database? Or maybe it isn’t a bad >> idea. > > it *is* a good idea; the only reason i don't use Time Machine as a backup for > my photos is that there are too many of them for the destination disk i use; > instead, i automatically duplicate imported photos to a drive on my home > server, and then i periodically also back that up to a third drive (Aperture > makes this easy, with Lightroom you'll need additional tools or manual steps) > > since Time Machine is truly incremental, if you use it for photos, the photos > that don't change aren't unnecessarily duplicated — Time Machine remembers > which ones are already backed up; however with Lightroom, the database is > stored in a single large file, so every time it changes, the whole thing will > be backed up; so if your LR catalog is large, it could slow down Time Machine > backups significantly (Aperture uses a "package" file for the database, so > the incremental backups are much smaller) > > Time Machine defaults to hourly backups, which can be a bother; on my > partner's computer, i use a tiny app called Time Machine Scheduler to run it > only in the early morning (it goes to a Time Capsule over wifi, so it takes a > while); i have used this for several years without trouble, but not on 10.9: > > <http://www.klieme.com/TimeMachineScheduler.html> > > on my own computer, Time Machine is set to "off" and i simply run it manually > from the menu bar when i know i won't use the computer for a while (this > risks me forgetting, but these days most everything important is backed up as > soon as it gets to my computer anyway, so the risk is minimal)
Thanks, Steve. I will definitely consider the options you describe. ------------------------------------------------------------------------------------------ Eric Weir Decatur, GA USA [email protected] "Our world is a human world." - Hilary Putnam -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
