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Can't figure out NFS file sharing (self.linux)

submitted 1 year ago by PlutoniumAcid to c/linux

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Sorry, noob here. I have been using Linux for a decade at least, but some basic stuff still stump me. Today, it's file sharing: The idea is that the server is good at CPU and the NAS is good at storage. My NAS does run Docker but the services are slow; and my server runs a bunch of Docker containers just fine but has limited disk space (SSD).

Want:

Share a directory on my NAS, so that my homelab server can use it.
Security is not important; the share does not need to be locked down.

Have:

Server+NAS are on their own little 1Gb Cisco switch, so network latency should be minimal.
Linux NAS and Linux server have separate users/UID/GID.

Whatever I try, it always ends up with errors about 'access denied' or read-only or something. I conclude that I am not smart enough to figure it out.

Help?

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[–] manwichmakesameal 2 points 1 year ago* (last edited 1 year ago)

Also, to add to this: you're setup sounds almost identical to mine. I have a NAS with multiple TBs of storage and another machine with plenty of CPU and RAM. Using NFS for your docker share is going to be a pain. I "fixed" my pains by also using shares inside my docker-compose files. What I mean by that is specify your share in a volume section:

volumes:
  media:
    driver: local
    driver_opts:
      type: "nfs"
      o: "addr=192.168.0.0,ro"
      device: ":/mnt/zraid_default/media"

Then mount that volume when the container comes up:

services:
  ...
  volumes:
        - type: volume
        source: media
        target: /data
        volume:
          nocopy: true

This way, I don't have to worry as much. I also use local directories for storing all my container info. e.g.: ./container-data:/path/in/container