Replacing the file seems to have worked.
Sonic has been rebuilding to Artist index for 3+ hours but looks to be about 80% complete.
There are 1545 albums according to Plex. 1531 according to Media Monkey. 
You know… I made the decision to move my music library back to Plex about 3 months ago… and discovered what the sonic analysis was just a few days ago - yep, sometimes I miss things in Plex! I found it interesting reading about the hiccups on the analysis. When I see my cpu use drop to near nothing it’s time to do a server restart & library scan. It seems to take right off again, showing a “processing count” about 3 albums less than it was showing prior to the server restart. At this rate I’m hoping to be thru the analysis in a couple of weeks! LOL
I am on unraid using the plex docker, so I looked in the app data folder and I am not finding the issue. Can you please offer further direction?
The WAV files are in the system’s general temp folder, not in the Plex data folder.
I don’t know much about Docker, but I seem to remember that you must map the container’s tmp folder to a real folder on your hard drive. (per statement in the docker compose file or whatever)
Because otherwise the tmp folder will end up in a RAM drive, which will be too small to accomodate uncompressed wav files of a large album.
I’ll boot up a Win10 vm and install Plex Server and see what results I get.
If you are already in a UNIXoid environment, stay there.
Unless you are much more comfortable under Windows.
I dont know how to get into the docker, it just runs. The Win10 Plex Server is up an running, adding the music files, and then will begin the sonic processing
It took a bit of time to plow through the Win10 library and it completed with no errors. But the challenge that I am still having is that the Unraid library is still erroring out on two files. See the image below:
Otto,
Do you have any feedback as to why I am having this issue on Unraid and not on Windows?
I am trying to determine what is causing Plex on my UnRaid server to continue to do Sonic Analysis on 2 albums. I have setup a Mac Plex server and separately a Windows 10 Plex server pointed at the same library and I am unable to recreate the problem. On my Plex running on UnRaid, I completely deleted, Emptied Trash, Optimized the DB and cleaned bundles. When I repointed the server at the music library I had the same problem, that 2 albums continue to so Sonic Analysis.
I feel like I have done the testing that I know how to do and I NEED SOME HELP PLEASE!
Hello! My Sonic Analysis is getting stuck on one song (or album, it’s hard to tell). I’m running Plex in Docker, using the LinuxServer.io docker image (it’s the latest Plex Pass build). I confirmed that the transcoding cache is mapped to a volume.
With debug logging enabled, here’s what I saw last night:
$ grep -i "sonic" "/data/docker/plex/Library/Application Support/Plex Media Server/Logs/Plex Media Server.log"
Jan 08, 2022 02:44:40.261 [0x7f82b6362b38] DEBUG - [Butler] Performing sonic analysis for section 8 of 1 albums.
Jan 08, 2022 02:44:51.357 [0x7f82b6362b38] DEBUG - [Butler] Sonic analysis group complete (processed: 1/1).
Jan 08, 2022 02:44:51.358 [0x7f82b6362b38] DEBUG - [Butler] Activity: updated activity 53ca2315-7b12-4352-98a7-c4c98bdddb36 - completed 100.0% - Sonic Analysis
Jan 08, 2022 02:44:51.358 [0x7f82b6362b38] DEBUG - [Butler/MusicAnalysis] Activity: updated activity 53ca2315-7b12-4352-98a7-c4c98bdddb36 - completed 20.0% - Sonic Analysis
Jan 08, 2022 02:45:05.078 [0x7f82b6362b38] DEBUG - [Butler/MusicAnalysis] Activity: updated activity 53ca2315-7b12-4352-98a7-c4c98bdddb36 - completed 40.0% - Sonic Analysis
Jan 08, 2022 02:45:27.367 [0x7f82b6362b38] DEBUG - [Butler/MusicAnalysis] Activity: updated activity 53ca2315-7b12-4352-98a7-c4c98bdddb36 - completed 60.0% - Sonic Analysis
Jan 08, 2022 02:45:28.945 [0x7f82b6362b38] DEBUG - [Butler/MusicAnalysis] Activity: updated activity 53ca2315-7b12-4352-98a7-c4c98bdddb36 - completed 80.0% - Sonic Analysis
Jan 08, 2022 02:45:30.762 [0x7f82b6362b38] DEBUG - Butler: Performed sonic analysis on 0 batches of albums.
How can I track down what 53ca2315-7b12-4352-98a7-c4c98bdddb36 is? If it’s not possible to map the UUID to a song, it seems like I’d have to catch Plex at its next attempt, and try to download and listen to the wav file, correct?
Thanks for the help with this!
If you can do ps to view processes, the transcoder process command line will include the file name.
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Thanks! I checked, and Plex is churning away at sonic analysis again. I did ps aux | grep -i plex and was able to see other transcodes in progress (including the filenames), but nothing from the music library.
Also, I just realized I’m posting to the Windows forum. I’m running this on Linux, sorry - I was linked to this thread from Reddit and didn’t check the forum. I can create another thread if that’d be easiest.
After Plex transcodes a batch of music files, it then processes the WAVs. People have reported that analysis step getting stuck… but all I’ve ever seen myself, and what seems to be more common, is the transcode getting stuck. Unfortunately that doesn’t seem to be what’s happening to you and I don’t know how to look deeper. Hopefully someone has another idea.
Am about to move my server to the shield and am wondering what’s the status with support on Nvidia Shield, maybe I should retain my music on the old server? @OttoKerner?
There is no change.
In general, I cannot recommend migrating to the Shield as a server platform.
Only the other way around.
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