Re: NFS share - NtOpenFile() failed, c00000be

["Andy O'Shaughnessy" <andrewjoshaughnessy@gmail.com>]

Corinna

You solved this before for me:






*"- Accessing NFS shares does not work out of the box on Windows.  You
have to install the NFS feature in Windows first:  Control Panel ->
Programs and Features -> Turn Windows features on or off  -> Services for
NFS"*

I updated to *Windows 10* and the seem to be broke again.
Is that possible?

Andy


On Thu, Oct 29, 2015 at 3:12 PM, Corinna Vinschen <corinna-cygwin@cygwin.com
> wrote:

> Hi Andy,
>
> in theory this is the wrong mailing list.  The right one for this type
> of question is cygwin AT cygwin DOT com.  But see below.
>
> On Oct 29 11:47, Andy O'Shaughnessy wrote:
> > I am able to mount an NFS share from Linux but when I use Cygwin I get
> > a stranger error:
> >
> > $ mount //<server>/<share> /tmp/test1
> >
> > $ ls -lrt /tmp
> > ls: cannot access /tmp/test1: No such file or directory
> > total 0
> > d????????? ? ? ? ?            ? test1
> >
> > But when I run the following I get :
> >
> > $ /usr/lib/csih/getVolInfo /tmp/test1
> > NtOpenFile(\??\UNC\<server>\<share>) failed, c00000be
> >
> > Note : 0xC00000BE = STATUS_BAD_NETWORK_PATH
> >
> > The mount happened but not properly.
> > It might be linked to Windows McAfee Firewalls.
> > I would guess this mailing list will readily know what is wrong
>
> As Ryan indicated it may be related to firewall settings, but let's take
> a step back first.
>
> - Accessing NFS shares does not work out of the box on Windows.  You
>   have to install the NFS feature in Windows first:
>
>   Control Panel -> Programs and Features -> Turn Windows features on or off
>   -> Services for NFS
>
>   If the above doesn't exist on your machine, you're out of luck.  Since
>   Windows 7 this feature is only available to Enterprise customers :(
>
> - In an AD environment you also should make sure to have the required
>   authentication as a UNIX user with the right UID/GID.  I urge you to
>   read https://cygwin.com/cygwin-ug-net/ntsec.html, especially
>   https://cygwin.com/cygwin-ug-net/ntsec.html#ntsec-mapping-nfs and
>   https://cygwin.com/cygwin-ug-net/ntsec.html#ntsec-mapping-nsswitch-posix
>
> - In the administrative "Services for NFS" dialog, make sure to disable
>   the krb5 security flavors.  I had a lot of trouble with them, but
>   there's a good chance I did something wrong, so take this with a grain
>   of salt.
>
> - NFSv4 is not support.  Export the shares with NFSv3.
>
> - If you export a share on Unix/Linux like this (/etc/exports):
>
>     /foo/bar/baz  ...
>
>   there won't be a //server/foo share!  There won't be a //server/baz
>   share either.  Rather you have to access the full path as in
>   //server/foo/bar/baz.  And that sometimes fails for no good reason.
>   Therefore, ideally construct your server paths to be exported with a
>   single path component, e.g., symlink or bind mount /foo/bar/baz to
>   /baz and then export /baz.
>
>
> HTH,
> Corinna
>
> --
> Corinna Vinschen                  Please, send mails regarding Cygwin to
> Cygwin Maintainer                 cygwin AT cygwin DOT com
> Red Hat
>