Major - P3 Stat lines are still produced by mongostat for nodes that are down.
Legacy produces:
127.0.0.1:28017 socket exception [CONNECT_ERROR] for 127.0.0.1:28017 (127.0.0.1) failed
localhost.localdomain:28017 socket exception [CONNECT_ERROR] for localhost.localdomain:28017 (127.0.0.1) failed
localhost.localdomain:28018 socket exception [CONNECT_ERROR] for localhost.localdomain:28018 (127.0.0.1) failed
localhost.localdomain:28019 socket exception [CONNECT_ERROR] for localhost.localdomain:28019 (127.0.0.1) failed
2014-11-25T12:33:31.137-0500 warning: Failed to connect to 127.0.0.1:28017, reason: errno:111 Connection refused
2014-11-25T12:33:31.137-0500 warning: Failed to connect to 127.0.0.1:28018, reason: errno:111 Connection refused
2014-11-25T12:33:31.137-0500 warning: Failed to connect to 127.0.0.1:28017, reason: errno:111 Connection refused
2014-11-25T12:33:31.137-0500 warning: Failed to connect to 127.0.0.1:28019, reason: errno:111 Connection refused
while, on a completely shut down cluster, we produce:
localhost.localdomain:28017 no reachable servers
localhost.localdomain:28017 *0 *0 *0 *0 0 3|0 0 2.1g 4.9g 33.0m 0 .:0.0% 0 0|0 0|0 310b 6k 4 replset SEC 12:35:57
localhost.localdomain:28017 *0 *0 *0 *0 0 3|0 0 2.1g 4.9g 33.0m 0 .:0.0% 0 0|0 0|0 310b 6k 4 replset SEC 12:35:57
localhost.localdomain:28018 *0 *0 *0 *0 0 2|0 0 1.1g 2.9g 33.0m 0 local:0.0% 0 0|0 0|0 231b 3k 3 replset SEC 12:35:57
localhost.localdomain:28019 *0 *0 *0 *0 0 3|0 0 1.1g 2.9g 33.0m 0 local:0.0% 0 0|0 0|0 383b 3k 7 replset PRI 12:35:57