From: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
To: David Lomas <dl3@pale-eds.co.uk>
Cc: virtio-fs@redhat.com
Subject: Re: [Virtio-fs] Getting help setting up virtiofs guest
Date: Thu, 11 Jun 2020 20:11:54 +0100 [thread overview]
Message-ID: <20200611191154.GI2968@work-vm> (raw)
In-Reply-To: <CALjEBWTnYLtVfJV_KnEv6oqdcWhU-dzoR_pB+C84u798oAw1Vw@mail.gmail.com>
* David Lomas (dl3@pale-eds.co.uk) wrote:
> Apologies if this isn't the correct place for this kind or request.
It's the right place to ask.
> I've been following these instructions to set up host and guest:
> https://virtio-fs.gitlab.io/howto-qemu.html and
> https://libvirt.org/kbase/virtiofs.html
>
> On the host, I've built the latest version of libvirt (6.4.0) and qemu
> (5.0.0), and added sections to the domain definition. All appears well (no
> errors at least). This is the relevant section:
>
> <filesystem type='mount' accessmode='passthrough'>
> <driver type='virtiofs'/>
> <binary path='/usr/libexec/virtiofsd'/>
> <source dir='/fast_data/test'/>
> <target dir='test'/>
> <address type='pci' domain='0x0000' bus='0x00' slot='0x06'
> function='0x0'/>
> </filesystem>
I think that's OK.
> On the guest, I've build the kernel (4.19.28), booted it, and confirmed
> virtio_fs.ko is a built-in module.
Where did you get that kernel? It sounds rather old; the main part of
virtiofs is now in the upstream kernel; so if your distro has a recent
5.x kernel, you can just use it.
> But on running mount -t virtio_fs test /mnt/test/ I get the following error:
>
> mount: /mnt/test: wrong fs type, bad option, bad superblock on qube-server,
> missing codepage or helper program, or other error.
>
> Note both those web pages above suggest using mount -t virtiofs, but that
> gives unknown filesystem type 'virtiofs'
It changed in the newer kernels to the 'virtiofs'.
> I'm at a loss to find more detailed information on how to configure
> this—are there other resources online, or can anyone suggest what to try
> next?
I suspect you're suffering from the older kernel here. Try a nice
shiny new one.
Dave
> Thanks!
> _______________________________________________
> Virtio-fs mailing list
> Virtio-fs@redhat.com
> https://www.redhat.com/mailman/listinfo/virtio-fs
--
Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK
next prev parent reply other threads:[~2020-06-11 19:11 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-11 19:01 [Virtio-fs] Getting help setting up virtiofs guest David Lomas
2020-06-11 19:11 ` Dr. David Alan Gilbert [this message]
2020-06-12 11:42 ` David Lomas
2020-06-15 9:55 ` Dr. David Alan Gilbert
2020-06-15 10:19 ` Dr. David Alan Gilbert
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