[lxc-users] Using shiftfs with NFS mounted filesystem

Serge E. Hallyn serge at hallyn.com
Sun Jul 19 14:13:44 UTC 2020


On Sun, Jul 19, 2020 at 06:53:03AM -0700, Michael Eager wrote:
> On 7/18/20 8:37 PM, Serge E. Hallyn wrote:
> > On Sat, Jul 18, 2020 at 11:16:16AM -0700, Michael Eager wrote:
> > > I'm running LXD on a Centos 8 host, kernel-4.18.0.  I built and installed
> > > the shiftfs module.
> > 
> >  From what source?
> 
> https://github.com/toby63/shiftfs-dkms

Interesting.  Yeah the shiftfs.c looks identical to what's in
ubuntu's, but when I backported that to 4.14 I had to also take
a bunch of other patches (https://git.kernel.org/pub/scm/linux/kernel/git/sergeh/linux.git/log/?h=v4.14.180-shiftfs)
which may or may not be in 4.18.  Still, I don't actually think
that's the problem.  NFS has always been difficult to use
with layered filesystems.

Amir, as far as you know, does overlay on top of NFS work
these days?

-serge


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