SMB3 and RDMA support
obnox at samba.org
Sun May 18 13:59:28 MDT 2014
On 2014-05-18 at 12:51 -0700, Richard Sharpe wrote:
> On Sat, May 17, 2014 at 11:55 AM, Stefan (metze) Metzmacher
> <metze at samba.org> wrote:
> > Am 17.05.2014 11:22, schrieb Michael Adam:
> >> On 2014-05-16 at 03:15 -0700, Richard Sharpe wrote:
> >>> After discussing things with Michael Adam at the bar camp, I think we
> >>> now have an approach to SMB Direct (SMB3 over RDMA) that is workable,
> >>> so I anticipate working with the stuff that Metze and Michael are
> >>> doing and helping to get it moving.
> >> Right, I will follow up with details soon (txt, wiki, git).
> >> I'm looking forward to collaborating and getting this up to speed!
> > I just found that there's a ibv_fork_init() function.
> > Maybe there's some hope that we don't need an external daemon.
> Yes, I think that is what it does mean. See here, for example:
Well, this reads:
Even with the libibverbs fork support, the expecVtation is that
all RDMA stuff will be done from the master process. All that
the ibv_fork_init() call does is trigger tracking so that the
address space that is used for RDMA isn't mapped into the child
process at all.
So for me, this sounds rather as if this fork support does NOT
give us what we need...
Cheers - Michael
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