Did you change the port on both nodes ? Did you restart glusterd on both nodes (the one you do peer probe and the other one that is being probed) ? Have you tried to first peer probe and then change the port on all nodes in the pool ? Best Regards, Strahil Nikolov В петък, 4 декември 2020 г., 12:18:42 Гринуич+2, sky <x_hsky@xxxxxxx> написа: linux version: cenots 7.5 gluster verison: 7.5.1 /etc/glusterfs/glusterd.vol: volume management type mgmt/glusterd option working-directory /var/lib/glusterd option transport-type socket,rdma option transport.socket.keepalive-time 10 option transport.socket.keepalive-interval 2 option transport.socket.read-fail-log off option transport.socket.listen-port 24017 option transport.rdma.listen-port 24008 option ping-timeout 0 option event-threads 1 # option lock-timer 180 # option transport.address-family inet6 option base-port 49252 option max-port 60999 end-volume I started normally after changing the ports on both nodes(port from 24007 to 24017), but I cannot add nodes through the ‘gluster peer probe node2‘ command, It always prompts me: Probe returned with Transport endpoint is not connected ________ Community Meeting Calendar: Schedule - Every 2nd and 4th Tuesday at 14:30 IST / 09:00 UTC Bridge: https://meet.google.com/cpu-eiue-hvk Gluster-users mailing list Gluster-users@xxxxxxxxxxx https://lists.gluster.org/mailman/listinfo/gluster-users ________ Community Meeting Calendar: Schedule - Every 2nd and 4th Tuesday at 14:30 IST / 09:00 UTC Bridge: https://meet.google.com/cpu-eiue-hvk Gluster-users mailing list Gluster-users@xxxxxxxxxxx https://lists.gluster.org/mailman/listinfo/gluster-users