[ofa-general] RDMA write completion question

Gleb Natapov glebn at voltaire.com
Thu May 24 09:09:06 PDT 2007


On Thu, May 24, 2007 at 08:38:00PM +0530, Devesh Sharma wrote:
> On 5/24/07, Gleb Natapov <glebn at voltaire.com> wrote:
> >Hi,
> >
> > Does local RDMA write completion guaranties that a data that was RDMAed is
> >already accessible in a destination's host _memory_?
> Local RDMA write completion guarantees that the data you have RDMAed
> has been copied into the remote buffer, without any data corruption.
Is this required  by IB spec. How HCA can guaranty that the data is actually
committed into the memory and not travels through a twisty maze of PCI
buffers all alike?

--
			Gleb.



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