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Proxmox NFS shares for Docker (lemmy.ml)

submitted 2 months ago by trilobite@lemmy.ml to c/selfhosted@lemmy.world

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So here is my dilemma. I have a Truenas server that basically acts as a file server. I also have a little machine running Proxmox. I have an NFS share on the Proxmox machine for saving VM backups so that they are secure. On the Proxmox VM, I want to install docker instances. Some of them require large data repositories so I can't have the data stored on the VM. I'm thinking of creating an "apps" dataset on the Truenas machine, then exporting it via NFS and mounting on the VM. Then I redirect all the Docker volumes on this NFS share. Say I have Docker_App1 on the Proxmox VM, then I would create a folder in the /mnt/Truenas_share/Docker_App1. Do you think this will work? The alternative is to create an individual dataset on the Truenas machine for each Docker_App but this feels overkill and a nightmare to setup and maintain. How are you managing Docker volumes over NFS?

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[–] adam@doomscroll.n8e.dev 4 points 2 months ago

It works fine. I do it. I mount the services share to /mnt/data on the host and then just path mount /mnt/data/servicename to the container.

Some of my containers I also mount to directly using NFS volumes in the docker compose. This is for things that generally aren't service data, like media.