copy offload for SMB?

Thu Feb 21 19:39:22 MST 2013

On 02/21/2013 08:08 PM, Richard Sharpe wrote:
> Hi folks,
> 
> Does Microsoft have support for doing copies locally on the server
> when the source and destination are on the same server?
> 
> Eg: cp E:\some-path-1\some-file E:\some-path-2\

Yes.  See [MS-SMB2] section 2.2.31.1, covering SRV_COPYCHUNK_COPY

  "The SRV_COPYCHUNK_COPY packet is sent in an SMB2 IOCTL Request by
  the client to initiate a server-side copy of data."

Chris -)-----

-- 
"Implementing CIFS - the Common Internet FileSystem" ISBN: 013047116X
Samba Team -- http://www.samba.org/     -)-----   Christopher R. Hertel
jCIFS Team -- http://jcifs.samba.org/   -)-----   ubiqx development, uninq.
ubiqx Team -- http://www.ubiqx.org/     -)-----   crh at ubiqx.mn.org
OnLineBook -- http://ubiqx.org/cifs/    -)-----   crh at ubiqx.org