SMB2 Offload Data Transfer (ODX)

Here's a presentation on "SMB2 Offload Data Transfer (ODX)" from the SNIA SDC 2016.

SMB 3.0 Offload Data Transfer (ODX)

SMB3 ODX Network traffic examples

These describe the ODX implementation we (at Nexenta) did for illumos.

The presentation covers how the server-side copy design allows the server to have influence over the size of ODX read and write operations.  In the presented design, we use a larger ODX read size when we're copying large "holes" (eg. virtual disk files where blocks have not been allocated) and a smaller ODX read size when we're copying allocated data blocks.

This was meant to be published after SDC 2016 -- Sorry, I forgot.