[ofa-general] RDMA write completion question

Tang, Changqing changquing.tang at hp.com
Thu May 24 08:13:33 PDT 2007


But I was learned a while back, that local rdma completion only means
that 
the data has been received by remote HCA, and an ACK has been
acknowledged,
the remote HCA may have deliveried the data to host memory, may NOT.

Is this still true ?

--CQ

 

> -----Original Message-----
> From: general-bounces at lists.openfabrics.org 
> [mailto:general-bounces at lists.openfabrics.org] On Behalf Of 
> Devesh Sharma
> Sent: Thursday, May 24, 2007 10:08 AM
> To: Gleb Natapov
> Cc: general at lists.openfabrics.org
> Subject: Re: [ofa-general] RDMA write completion question
> 
> 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.
> >
> > --
> >                        Gleb.
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