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In Lightroom, how to merge folders on different drives that are within the same catalogue to one drive?

I have

 C:
 2011
 2012


 D:
 2012

and they are all within one catalogue. I'd like to merge the folders and store all photos on drive D:. How to do it?

D:
2011
2012
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3 Answers 3

Merger like this is generally done with the operating systems file manager. Simply merge the 2012 folder as you normally would with your operating system. Copy the 2001 folder to the D: drive using your operating system. Once copied, open Lightroom, enter the Library, and find the original location of that folder in the Folders panel to the left side. Right-click, select the "Find missing folder..." option, and locate the new location. The 2011 folder should now show up under your D: drive rater than C: drive.

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If there are hundreds of subfolders, the described method is tedious and error prone. But if this is the only way, I accept with regret. –  user6076 Jul 23 '12 at 1:18
    
Lightroom uses a simple SQLite database for its catalog files. In principle you could write a program to automate the procedure above. However, the schema is undocumented and attempting such a complex operation unsuccessfully may leave the database in a corrupt state. I've had to do this awkward procedure before as well, so perhaps someone should invest effort in doing this. –  D Coetzee Jul 24 '12 at 11:02
    
Yeah, you could try to automate it, but you would essentially be flying blind. There is an "update folder location" option as well for non-orphaned folders...I guess that might allow you to move things around within LR, although it would still be on a per-folder basis. I would expect the migration process, performed through LR, to be pretty slow as well. –  jrista Jul 24 '12 at 20:34

I'm confused. If both of them are in the same catalog, why don't you just drag and drop the 2011 from C: to the D: disk from with Lightroom, in the left panel? For C:/2012, expand that folder, click on the first subfolder, hold the shift key then click on the last subfolder to select all subfolders, then drag all of that inside D:/2012? You definitely not want to use the system file manager to avoid orphans in Lightroom (you can always resync a folder, but I don't quite trust it, especially if you didn't export all your metadata before).

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Some but not all of subfolders of 2012 have same names. Won't doing what you described create a lot of pop-up boxes? Have you really done something I described above? –  user6076 Jul 23 '12 at 3:55
    
Well, first, it doesn't hurt just trying with one subfolder that has the same name in both 2012 folders to see what happens. It would definitely pop-up warnings if you are using the system file manager. I can try later today once I'm back on my desktop. –  sebastien.b Jul 23 '12 at 14:18
    
Actually LR not only displays a pop-up warning, but stops right there, so you can't drop a subfolder where a subfolder with the same name already exists :( –  sebastien.b Jul 24 '12 at 4:56
    
Drag and drop in LR is not really an effective or efficient way to move/merge a lot of folders in bulk. It is slower at moving & copying than the OS (sometimes by a LOT.) If you are using Windows 7, the operation could be handled in a single operation, as you can automatically merge and safely rename duplicates for all conflicts in a single answer to the first popup the OS generates. Hence my recommendation for moving/merging in the OS, and simply using "Find missing folder" in LR to reconnect broken catalog pointers. –  jrista Jul 25 '12 at 13:54

The 2011 folder is easy: within Lightroom, in the Folders panel just drag it from the C: to the D: drive. Lightroom will move the files and update its database.

I don't know how many photos you've got in the 2012 folder, but I do regularly encounter a similar scenario. When back-dating scanned photos, I also like to shuffle them into the correct folders. I do this all on my main drive, so I end up with a bunch of old year folders; something like:

1980
1982
1995
2012

Of course, 2012 is my current working folder, and the others are the newly-created folders for the old scans. After I'm done working with the scans I want to get them on my external drive, which has many many years of folders, likely including those I've created.

So in this scenario, within Lightroom, I open the year folder (and the month folder, if I created one) and drag 1980/07/scan.jpg to my external drive's 1980/07/. There are likely many photos to move, so I simply select batches of them to move. This works well for me, but again I don't know how many photos you've got in your 2012 folder.

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This sounds like better than doing it in OS. –  user6076 Jul 23 '12 at 15:24

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