On Tue, Dec 24, 2019 at 8:14 PM Raymond, David <[email protected]> wrote:
> Openmpi uses readv/writev. I am beginning to think that the timeout > and permission errors are legit and reflect real conditions. What does re do when it receives a write request when it is busy? > 're' does not expose a device, but rather provides network interfaces that are then used with sockets. What sort of sockets does openmpi use? What sort of packet loss is generated on this network and what protocols does openmpi use to recover from that? (Lacking both dmesg or kdump, I'll probably have nothing further to contribute to this thread) Philip Guenther

