Tracks Disappeared from Playlists After Library Move (ref#997RF7)

Hi! What’s not quite right with Roon?

· None of the above quite fits

None of the above quite fits

· None of these quite match

Tell us what's going on

· a lot of the items have disappeared from many of my playlists. How do I find and restore them? I made a backup before I moved the folder for my Roon library and followed all instructions in order, but still have lost lots of tracks from lots of playlists.
It doesn't see they are missing and so no option under improve that it's found missing tracks, they have just disappeared which is quite poor behaviour. Please suggest how to fix, I have at least 40 playlists and many have hundreds of tracks

Tell us about your home network

· irrelevant

Hello @Neville_Davies ,

Welcome to the forum! Just to clarify here, you switched the device that was running Roon Server to a new machine, restored a backup to the new server and then these playlists are not visible? What kind of playlists are impacted, TIDAL/Qobuz/KKBOX, or local playlists such as iTunes/created in Roon? Are tracks from the playlists still visible in your Roon library? Was the restore showing as successful when you migrated the database over?

Hi Noris, thank you for the reply. I moved my music library from NAS to the local machine that the Roon server is on. I did not move the Roon server. All files are available and directory structure did not change
It seems to be Roon playlists with files from my library mostly that are missing
I took a backup before moving the library, but did not restore from it.

Hello @Neville_Davies ,

When you were moving these files over, was Roon Server still powered on and active? If Roon sees two copies of the same files, it will esentially treat the duplicates as “new” files and not have any associated metadata / playlists links to them. If you try to restore the backup and edit the file location to the new one, does that restore the playlists?

thank you Noris. I copied the files, leaving the original in place. When the copy was completed and I had verified identical #files and size to original, then I updated the library location to the new location on local disk.
I didn’t notice the problem for a few weeks as it seems a bit random as to which files are still in playlists. So naturally, I have continued adding to playlists in the meantime for the last few weeks
As far as I can see, tidal files in Roon playlists and Tidal playlists are unaffected. The missing files all seem to be local files, but quite random as plenty of my local files still present in some playlists, in others almost only tidal files remain.
Ideally I would be able to merge the backup and the current playlists to create a superset. Is there any way to do that please? Would be happy to run a python script etc.

Hello @Neville_Davies ,

Thanks for letting us know. Unfortunately, restoring a backup is an “all or nothing” process, and you can’t merge updated playlists into a backup. What I suggest doing here is to manually export updated playlists as XMLs, create a new backup, and then restore the old backup and see if it helps restore the missing playlists. After doing this, you can look over the XML and merge new data as needed.

Hi @Neville_Davies,

If you need a guide for importing XML playlists into Roon, please see here.

Let us know if we can provide any further assistance or clarification. We’ll stand by for your response. Thank you!

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