How to use an SSD already filled with blockchain data?

Support and Troubleshooting
1

Hi,
I am running a standard BitCoin Core Node since ages. Currently on a Raspberry Pi 4. Using the official Raspberry OS “Bullseye” plus the recent BitCoin Core but without Lightning. I want to change this and setup (or ADD) a lightning node.

Now, I am too much of a noob and have not found any description on how to do this myself with the current setup (If someone can tell me how to do it - let me know!).

So I got an additional SD card on which i want to setup a system using Umbrel with BitCoin Lightning.

I stopped when I read that this will erase my 1 TB SSD. I have the entire blockchain on this SSD already! Just not coming from Umbrel but from my Bullseye-OS with BTC Core.

How can I tell Umbrel to make use of this already existing blockchain instead of deleting and downloading all again?

2

You’ll need to copy your existing chain data to another machine, and then you can copy back after a fresh install that reformats your SSD.

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3

Thanks. I mounted my SSD with my userdata and after formatting, this mounting gets deleted but I will manage to work around.

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