> Quoting Or Gerlitz <[EMAIL PROTECTED]>: > Subject: Re: Detecting when an RDMA writer process disappears > > Mike Heffner wrote: > > Is there any method by which a receiving process that is polling in > > preregistered memory regions for data from a sender performing RDMA > > writes, can detect if the sender is killed? Say by a SIGKILL signal? The > > RC connection is setup using the RDMA CM and there do not appear to be > > any CM events created on the event channel > > If you have a process with connected RDMA CM ID whose associated peer > process died you should get DISCONNECTED event. how do you verify that > there is no rdma cm event present at the polling side?
You may or may not get this event in case of packet loss - same as with sockets. Sending keepalives is really the only way if you want to handle all cases such as remote node crash. -- MST _______________________________________________ openib-general mailing list [email protected] http://openib.org/mailman/listinfo/openib-general To unsubscribe, please visit http://openib.org/mailman/listinfo/openib-general
