LR backup; ok to skip Previews.lrdata folders?

Started Jul 5, 2013 | Discussions thread
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LR backup; ok to skip Previews.lrdata folders?
Jul 5, 2013

I maintain five copies of everything. All files from all applications on all my computers get back up to several separate Network Attached Storage devices that, in turn, are backups of each other. And another copy of everything is stored (that's stored, not backed up) to a cloud service.

In the interest of carving some time from my multiple daily backup routines, is it enough to back up only the Catalog.lrcat file, which contains all the metadata and edits -- and skip Previews.lrdata?

If I understand correctly, the Previews.lrdata folder and its subfolders contain only image previews, which are non-critical and can rebuilt at any time. It would be an inconvenience, but nothing more than that.

Furthermore, if I look in LR's own Backups folder, only Catalog.lrcat is backed up.

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