Was digging more into mail archives, I think it is an open issue as per:
https://bugzilla.samba.org/show_bug.cgi?id=9938
On Wed, Sep 24, 2014 at 5:38 PM, Ata E Husain Bohra <atahusain.b at
gmail.com>
wrote:
> Hi,
>
> I'm trying to expose a linux share via Samba4 to serve as a VM backing
> store (storage) for HyperV VMs running on Win2012 R2 Standard server. The
> system details are:
>
> Intel(R) Xeon CPU.
> 64 bit operating system.
>
> I'm not sure if SMB3 is fully supported by Samba 4(codebase corresponds
to
> "master" git branch). The VM deployment fails while trying to
create *.vhdx
> file; the error says:
> "
> The system failed to create disk; Incorrect function. (0x80070001).
> "
>
> Scanning samba logs it shows "not implemented function for FSCTL:
> FSCTL_SET_INTEGRITY_INFORMATION". Looking at the mail archives, their
was
> a mail sometime mentioning ioctls/fsctls needs to be implemented to support
> SMB3 (
>
https://lists.samba.org/archive/samba-technical/2013-September/095190.html).
> As this mail is not very recent, I just want to check if this is still is a
> road blocker.
>
> Can anyone suggest if they have tried his sutff; does it work? Is latest
> samba implementation supports exposing Linux shares to store/deploy HyperV
> VMs
>
> Thanks,
>
>
--
Regards,
Ata