On Wed, 2016-01-27 at 18:54 +0200, Boaz Harrosh wrote:

On 01/25/2016 11:19 PM, Chuck Lever wrote:

quoted

I'd like to propose a discussion of how to take advantage of
persistent memory in network-attached storage scenarios.

RDMA runs on high speed network fabrics and offloads data
transfer from host CPUs. Thus it is a good match to the
performance characteristics of persistent memory.

Today Linux supports iSER, SRP, and NFS/RDMA on RDMA
fabrics. What kind of changes are needed in the Linux I/O
stack (in particular, storage targets) and in these storage
protocols to get the most benefit from ultra-low latency
storage?

There have been recent proposals about how storage protocols
and implementations might need to change (eg. Tom Talpey's
SNIA proposals for changing to a push data transfer model,
Sagi's proposal to utilize DAX under the NFS/RDMA server,
and my proposal for a new pNFS layout to drive RDMA data
transfer directly).

The outcome of the discussion would be to understand what
people are working on now and what is the desired
architectural approach in order to determine where storage
developers should be focused.

This could be either a BoF or a session during the main
tracks. There is sure to be a narrow segment of each
track's attendees that would have interest in this topic.

I would like to attend this talk, and also talk about
a target we have been developing / utilizing that we would like
to propose as a Linux standard driver.

For everyone who hasn't sent an attend request in, this is a good
example of how not to get an invitation.  When collecting the requests
to attend, the admins tend to fold to the top of thread,  so if you
send a request to attend as a reply to somebody else, it won't be seen
by that process.

You don't need to resend this one, I noticed it, but just in case next
time ...

James

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