[[6.9.0-beta35] virtio-fs fails to start]

EDIT: Holy stinky dog-poo! Okay kids, this all works using *exactly* the below xml (w/e/f your naming convention), just make sure when you create the *script, that you specify it with the shebang...

Script: 

#!/bin/sh
exec /usr/libexec/virtiofsd -o sandbox=chroot "$@"

 

XML:

  <memoryBacking>
    <source type='memfd'/>
    <access mode='shared'/>
  </memoryBacking>    
----
    <filesystem type='mount' accessmode='passthrough'>
      <driver type='virtiofs'/>
      <binary path='/usr/libexec/virtiofsd-script'/>
      <source dir='/mnt/user/domains'/>
      <target dir='unraidshare'/>
    </filesystem>

After you get it running, mount with the usual mount commands, in my case:

sudo mount -t virtiofs unraidshare /mnt/unraiddata/

 

---------See above!!! These are for notes of my progress...--------

Spoiler

This be an old thread, but relevant once again as we are now in Unraid 6.10-rc4. I have created a file creatively called `virtiofsd-script` and input it into my xml as follows:

  <memoryBacking>
    <source type='memfd'/>
    <access mode='shared'/>
  </memoryBacking>    
----
    <filesystem type='mount' accessmode='passthrough'>
      <driver type='virtiofs'/>
      <binary path='/usr/libexec/virtiofsd-script'/>
      <source dir='/mnt/user/domains'/>
      <target dir='unraidshare'/>
    </filesystem>

But I am still having no joy. 

 

To plagiarize myself from the Unraid Discord, I have the following:

Quote

To note, I have added a file with ```exec /usr/libexec/virtiofsd -o sandbox=chroot "$@"``` in it, resulting in:

Execution error
internal error: virtiofsd died unexpectedly

 

Without that file, or just not pointing the `<binary>` path at it, I get the longer error of:

 

internal error: qemu unexpectedly closed the monitor: 2022-04-10T21:24:51.687704Z qemu-system-x86_64: -device {"driver":"vhost-user-fs-pci","id":"fs0","chardev":"chr-vu-fs0","tag":"unraidshare","bus":"pci.1","addr":"0x0"}: Failed to write msg. Wrote -1 instead of 12. 2022-04-10T21:24:51.687766Z qemu-system-x86_64: -device {"driver":"vhost-user-fs-pci","id":"fs0","chardev":"chr-vu-fs0","tag":"unraidshare","bus":"pci.1","addr":"0x0"}: vhost_backend_init failed: Protocol error

Any help or insight I could get would be awesome! Happy, of course, to play around with different things to try to get it working as requested/recommended as well. Its just for a blockchain node, so, nothing that can't be replaced, and I would really like that performance increase!