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Community Migration Guide

:::caution

This guide does not fall under support, use at your own risk. You can create a thread in our discord channel #📚・tc-scale-apps for basic support for the guide itself.

:::

This guide will walk you through on migrating your plex config data from an old to a new plex instance.

The first thing you need to do is go to settings and then Library.

Disable Empty trash automatically after every scan checkbox if its enabled.

Go to Settings -> General and Sign Out of your server completely.

In TrueNAS Scale, go to Apps -> Installed Applications and stop the old app.

Follow the sub section depending on how your app config was stored.

App config on PVC -> Backing up App Data From PVC
App config on HostPath -> Accessing App Data From HostPath
App config on HostPath(ix-applications) -> Migrating App Data From IxVolumes

Dataset Permissions

This is our default perms for our plex app. Please make sure to keep plex perms set to 568.

Migrating Data from PVC

To access the old app's data from PVC, we are going to use truetool mount flag.

Go to System Settings -> Shell.

Make sure truetool is installed and active (refer to the link above for the how to guide) before running the following commands:

truetool --mount

You will get list similar like this for example.

To mount the directory just enter the correct number...so for me I have to enter 51. Verify the number you are entering is for plex-config.

you will get a unmount command similar to this:

zfs set mountpoint=legacy root/ix-applications/releases/plex-config/volumes/pvc-af2b9242-ecf6-4659-ace4-d601211cf448 && rmdir /mnt/truetool/plex-config

The old plex app is mounted in a dir for example /mnt/truetool/plex-config.

The above assumes your app is named plex, if its not the dir name will be different.

cd /mnt/truetool/plex-config

Run this command to verify you see a single dir called Library.

ls

Create a temp dataset in storage -> datasets for your old app plex config with the follow perms.

Replace this command's path with your OWN pool and dataset name.

rsync -rav Library /mnt/POOL/DATASET

Check the dir if it contains a dir called Library if it does then unmount the PVC.

truetool --mount

You can delete the original app at this point.

Please move on to Migrating App Data to the New App.

Migrating Data from HostPath

If your plex config is available on your own dataset, validate its perms.

Follow the prerequisites and then uninstall the original app. If the perms are good you can move on to migrating to the new app.

Migrating Data from ixVolumes

This section is only for the official app where users didn't specify their own hostpath.

:::danger

Be very cautious while in this particular dataset. Run the commands carefully.

:::

To quickly get the correct directory run the following commands:

cd /mnt/POOL/ix-applications

find /mnt/POOL/ix-applications -name Preferences.xml

You should see an output like so -> /mnt/POOL/ix-applications/releases/plex/volumes/ix_volumes/ix-plex_config/Library/Application Support/Plex Media Server/Preferences.xml

We are only interested for this location as its the start of the config dir for plex -> /mnt/POOL/ix-applications/releases/plex/volumes/ix_volumes/ix-plex_config/Library.

Create a temp dataset in Storage -> Datasets for your old app plex config with the follow perms.

Go back to the system shell and replace this command's path with your OWN path, pool and dataset name.

rsync -rav /mnt/POOL/ix-applications/releases/plex/volumes/ix_volumes/ix-plex_config/Library /mnt/POOL/DATASET

Verify if the the temp dataset contains the Library dir by running this command.

ls /mnt/POOL/DATASET

If it does please move on to migrate to the new app.

Migrating App Data to the New App

If the new plex app is not installed yet, please do so now. Verify that the new app can go active with just the defaults for now.

If it works, don't sign in yet, simply turn off the app and then go to System Settings -> Shell.

We're going to mount the new plex app config data. Run the following commands in the shell.

truetool --mount

You will get list similar like this for example.

To mount the directory just enter the correct number...so for me I have to enter 51. Verify the number you are entering is for plex-config.

You will get a unmount command similar to this:

zfs set mountpoint=legacy root/ix-applications/releases/plex-config/volumes/pvc-af2b9242-ecf6-4659-ace4-d601211cf448 && rmdir /mnt/truetool/plex-config

The new plex app is mounted in a dir for example /mnt/truetool/plex-config.

Change the working directory to the mounted dir for the new app:

cd /mnt/truetool/plex-config

Check if you're in the right location by running:

ls

You should only see a single dir called Library.

Delete this dir from the new app.

rm -r Library

Now grab the path for your dataset that holds your plex config.

For example...my path would be /mnt/tank/configs/plex.

Run the ls command on the dir to verify that its correct and you see a single dir called Library.

ls /mnt/tank/configs/plex

If everything is set you can proceed to run the rsync copy command to the mounted PVC location.

rsync -rav Library /mnt/truetool/plex-config

:::note

This process can a while to complete depending on how large your config is and how your pools are setup. Make sure scale doesn't time out, simply keep the tab active and interact with the page menu top right will suffice until its done.

:::

If the operation completed successfully you can run the following commands to unmount the PVC.

truetool --mount

New Plex App

Before you start the new plex app edit the app and add your media via additional storage with the correct mountpath from the original app and update any variables as needed.

The official app from scale use the /data path for media, but you could have used an entirely different dir for it.

I highly recommend setting up the variable Plex Claim Token last as it has a 4 min window.

To get a claim token from plex, go to Plex Claim Token.

Once set, save and wait a min for the task to finish and then start the app.

The app will take some time to migrate the db after startup and rest assured its normal to see something like this:

You should now be able to access plex's web service as normal with all your data intact, sign in if needed.

You can remove the temp dataset that holds your plex config as its not needed anymore.

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