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Virtualization: How do I share a cloud drive mounted inside the guest with the host? (x-post from Linux@lemmy.ml ) (lemmy.ml)

submitted 3 weeks ago* (last edited 2 weeks ago) by GathererStuff@lemmy.ml to c/selfhosted@lemmy.world

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Hi everyone! I want to be able to access a folder inside the guest that corresponds to a cloud drive that is mounted inside the guest for security purposes. I have tried setting up a shared filesystem inside Virt-Manager (KVM) with virtiofs (following this tutorial: https://absprog.com/post/qemu-kvm-shared-folder) but as soon as I mount the folder in order for it to be accessible on the ~~guest~~ host the cloud drive gets unmounted. I guess a folder cannot have two mounts at the same time. Aliasing the folder using bind and then sharing the aliased folder with the host doesn't work either. The aliased folder is simply empty on the host.

Does anyone have an idea regarding how I might accomplish this? Is KVM the right choice or would something like docker or podman better suited for this job? Thank you.

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[–] Appoxo@lemmy.dbzer0.com 7 points 3 weeks ago (8 children)

Maybe NFS share the drive from guest to host?

[–] GathererStuff@lemmy.ml 1 points 2 weeks ago (2 children)

What would be the performance implications? Isn't virtiofs theoretically faster?

[–] Appoxo@lemmy.dbzer0.com 2 points 2 weeks ago (1 children)

Not an expert.
Assuming it's internal I'd assume it's probably as fast as the guest nic allows?

[–] GathererStuff@lemmy.ml 1 points 2 weeks ago

Fair. I will try NFS if anything else fails. Thanks :)

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