Devices not Activated after Migration from v3 to v4

[datnus]

I don’t know if this will help.
Since ChirpStack 4.7, we need to run the below commands to migrate session keys from Redis to Postgres.
Then the devices will be back to life with device sessions.

[release] ChirpStack v4.7

v4.7.0 Notes before you upgrade Device-session migration This release moves the device-session storage from Redis to PostgreSQL. After upgrading, you must execute the following command (adapted to your environment): chirpstack -c /etc/chirpstack migrate-device-sessions-to-postgres This command will iterate over the devices in the PostgreSQL database of which the device-session column is empty and will migrate the device-session from Redis if it exists. This will not overwrite existing device-s…

Device-session migration

This release moves the device-session storage from Redis to PostgreSQL. After upgrading, you must execute the following command (adapted to your environment):

chirpstack -c /etc/chirpstack migrate-device-sessions-to-postgres