copy offload for SMB?
Christopher R. Hertel
crh at samba.org
Fri Feb 22 09:21:31 MST 2013
On 02/22/2013 09:36 AM, David Disseldorp wrote:
> On Fri, 22 Feb 2013 02:40:09 +0000
> "Liujun (A)" <liujun09 at huawei.com> wrote:
>> I have wrote a test to test offload feature, the is result is that Windows server 2012 does not support offload read (FSCTL_OFFLOAD_READ).
> For the record, I think Windows Server 2k12 support for the new
> FSCTL_OFFLOAD_READ/WRITE SMBs is dependent on the underlying storage
Yes. It is akin in some ways to NDMP.
> It requires an advanced (expensive) storage array that handles
> POPULATE_TOKEN and WRITE_USING_TOKEN SCSI commands. See
The specifics are in the T10 docs, so it's now part of the SCSI spec. It
should be possible to support this at the lower end.
"Implementing CIFS - the Common Internet FileSystem" ISBN: 013047116X
Samba Team -- http://www.samba.org/ -)----- Christopher R. Hertel
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