+ attempt_local_resend = attempt_remote_resend = false;
+ }
+
+ /* Don't further decrement the health value if a recovery message
+ * failed.
+ */
+ if (msg->msg_recovery)
+ handle_local_health = handle_remote_health = false;
+ else
+ handle_local_health = handle_remote_health = true;
+
+ /* For local failures, health/recovery/resends are not needed if I only
+ * have a single (non-lolnd) interface. NB: pb_nnis includes the lolnd
+ * interface, so a single-rail node would have pb_nnis == 2.
+ */
+ if (the_lnet.ln_ping_target->pb_nnis <= 2) {
+ handle_local_health = false;
+ attempt_local_resend = false;
+ }
+
+ /* For remote failures, health/recovery/resends are not needed if the
+ * peer only has a single interface. Special case for routers where we
+ * rely on health feature to manage route aliveness. NB: unlike pb_nnis
+ * above, lp_nnis does _not_ include the lolnd, so a single-rail node
+ * would have lp_nnis == 1.
+ */
+ if (lpni && lpni->lpni_peer_net->lpn_peer->lp_nnis <= 1) {
+ attempt_remote_resend = false;
+ if (!lnet_isrouter(lpni))
+ handle_remote_health = false;