Combine several LRC catalogs and external drives onto new computer internal drives

Question

Purchased new computer with 3 internal SSDs and I want to combine catalogs and drives onto the new computer. I currently have several existing LRC catalogs and 6 external drives (and some drives include related LRC catalogs).   Anybody have any guidance for combining/merging images and edits?  Main questions:1. How to combine catalogs?2. How to move images to internal SSDs without losing edits? I know I can ignore the edits and simply use the old hard drives as backups, but I'd rather try to combine everything, including image files and edits, onto the new computer with the onboard drives.  Suggestions??

KR Seals · Accepted Answer

1. Pick one catalog as your master going forward. For each of the other catalogs, while in the Master catalog, go to File -> Import From Another Catalog. Choose one of the other catalogs to import into the Master catalog. Write down a list of the catalogs you are planning to merge/import and check them off when the import catalog process is complete. Note: If the catalogs have not all been converted by Lightroom Classic to the latest version (V 11) convert them first before importing to the Master catalog

2. Once all catalogs have been merged into the Master catalog, you can move the folders around in Lightroom Classic Library module, Folders Panel to the SSD(s) of your choice. It's preferable to only move a few folders at once. DO NOT do this outside of Lightroom Classic because Lightroom Classic will loose track of the image files/folders if you do. Also, DO NOT be tempted to Re-Import any folders/images that you have already imported.

3. Once all this is accomplished, back up both the newly updated Master catalog and the image folders/files in their current organization scheme for ease of future restoration if needed.

Todd Shaner · Answer

Moving a small number of files and folders from inside LrC usually works fine. However, when moving the entire contents of one drive to another drive many users have lost files. Please read the below post with my suggestion to use Copy and Paste from outside LrC using Finder or File Explorer. I also agree with KR Seals that it's best to use one catalog unless you have some specific reason, which we can discuss here BEFORE attempting to move anything.

https://community.adobe.com/t5/lightroom-classic-discussions/how-do-i-move-my-pictures-to-external-hard-drive/m-p/5029125#M12054

In your case do this one drive at a time and make sure to establish a top-level folder for each drive on the destination drive so you can keep track of what files are from which drive. You can then reconnect the files from each drive (one-at-a-time) following the procedure at the below link.

https://www.lightroomqueen.com/lightroom-photos-missing-fix/

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