Upgrade Storage

Hello,

For several months now, I have been testing Umbrel OS on a Raspberry Pi 5 (RP5 for short) using a 500 GB SD card. I have been able to do and test everything I wanted (Immich, Nextcloud, Home Assistant…), but now I would like to increase the storage by adding an NVMe drive.

When I connect everything and start the RP5, it boots from the NVMe and asks me to reconfigure Umbrel. If I start it without connecting the NVMe, I can access my original Umbrel setup as expected.

I would like to know how to link the two storage elements without losing all the configuration and data currently on the SD card.

Thank you in advance!