for others that come here: this is a good procedure for the OMV5 to OMV6 upgrade
RE: Is there a guide to in place upgrade?
- Backup the OS drive (this is allways a good idea, not only for upgrades)
- Make sure, you have enough free space on your os drive
- Check any installed plugins if they have been ported to OMV6
If you are using plugins which have not been / will not be ported, get rid of the plugins except unionfs / mergefolderfs. These two will automatically be be converted to the newer mergerfs plugin
(Many plugins can be replaced by docker containers. Do this before upgrading)
- If you installed