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I am running a VM on a Linux host using qemu+kvm and libvirt, the guest system is CentOS 7. I wish to share a folder between the two such that host:/some/dir becomes accessible as guest:/some/other/dir.

I wish to minimise effort and cannot re-compile the kernel on either side. I experimented with plan9 but cannot get it to run (the p9 dkms module won't compile on the CentOS 7 guest).

There must be a better way? Performance is secondary as it does not work at all right now.

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Just set up sshfs/samba/nfs/etc, it's easier and it just works

EDIT: The point here is, just use a regular file share between the host and the VM, there is absolutely no need to go into dirty untested hacks like plan9.

  • I'm not entirely sure it doesn't answer the question, but it should probably be edited to provide a more complete answer. – Julie Pelletier Aug 15 '16 at 15:58
  • This does provide an answer, the o/p wanted a way to share a directory between the VM and the host. I'm not sure full instructions on how to set up a file share or every sort imaginable will be feasible in this context, the point of the answer is to just say "use a regular file share". – dyasny Aug 15 '16 at 16:14
  • Thanks, this could be a solution (but isn't, yet). I already have Samba running but services on the host should not be accessible by the guest. Maybe qemu's built-in Samba server could be an option? I searched but could not find a way to enable it using libvirt/virsh's XML config file. – Ned64 Aug 16 '16 at 7:19
  • Built in samba server in QEMU? Since when? – dyasny Aug 16 '16 at 13:07
  • @dyasny My source: unix.stackexchange.com/questions/165554/… but there is no XML config file equivalent, and I could not generate one so far. Documentation is hard to come by. – Ned64 Aug 16 '16 at 16:00

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