[Samba] HyperV (win2012) storage on Samba4

Ata E Husain Bohra atahusain.b at gmail.com
Wed Sep 24 19:35:31 MDT 2014

Was digging more into mail archives, I think it is an open issue as per:

On Wed, Sep 24, 2014 at 5:38 PM, Ata E Husain Bohra <atahusain.b at gmail.com>

> 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,


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