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Is it possible to run a docker host that has no harddrive? (lemmy.world)

submitted 1 year ago* (last edited 1 year ago) by Passerby6497@lemmy.world to c/selfhosted@lemmy.world

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So I had a micro PC that was running one of my core services and it only supports NVMe drives. Unfortunately, this little guy cooked itself and I'm not in a position to replace the drive. The system is still good and is fairly powerful, so I want to be able to reuse it.

I'm thinking I want to set up some kind of netboot appliance on another server to be able to allow me to boot the system without ever having a local disk. One thing I want to is run some docker images (specifically Frigate) but i wont be able to write anything to persistent storage locally. NFS shares are common in my setup.

Is it even possible to make a 'gold image' of a docker host and have it netboot? I expect that memory limitations (16GB) will be my main issue, but I'm just trying to think of how to bring this system back into use. I have two NAS appliances that I can use for backend long term storage (where I keep my docker files and non-database files anyway), so it shouldn't be too difficult to have some kind of easily editable storage solution. I don't want to use USB drives as persistent storage due to lifespan concerns from using them in production environments.

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[–] Passerby6497@lemmy.world 3 points 1 year ago

Interesting, it was running on this system, so it may actually have been wear that killed the drive. I'll have to look into that config and see if it's worth getting a new nvme to throw into the cook box.

Thanks for that info!