Moved post from Uncategorized to Nucleus Support
You may also want to search the forum for the words Nucleus and backup, there are lots of threads about it.
For backing up the Roon database, see this help article:
If you use only streaming, this is all you need.
If you have local music files, note that they are not included in the database backup. It is usually best to keep them elsewhere and back them up from there. Just copy the files to the secondary drive of the Nucleus (if you have one). Much depends on the hardware you have available, so please describe your setup. This current thread and post may get you started: