ARM场景下，mongodb 3.2.10版本（使用mmapv1引擎），集群中一个mognodb的状态是SECONDARY， 但是不同步数据（mongod进程正常，部署机器负载正常），

在故障节点查询集群状态的结果：

rs.status()
{
"set" : "fsp",
"date" : ISODate("2019-04-15T06:54:25.134Z"),
"myState" : 2,
"term" : NumberLong(13),
"syncingTo" : "172.28.9.140:27017",
"heartbeatIntervalMillis" : NumberLong(2000),
"members" : [
{
"_id" : 0,
"name" : "172.28.9.140:27017",
"health" : 1,
"state" : 1,
"stateStr" : "PRIMARY",
"uptime" : 1774315,
"optime" :

{ "ts" : Timestamp(1555311260, 90), "t" : NumberLong(13) }

,
"optimeDate" : ISODate("2019-04-15T06:54:20Z"),
"lastHeartbeat" : ISODate("2019-04-15T06:54:24.344Z"),
"lastHeartbeatRecv" : ISODate("2019-04-15T06:54:24.364Z"),
"pingMs" : NumberLong(0),
"electionTime" : Timestamp(1553536954, 1),
"electionDate" : ISODate("2019-03-25T18:02:34Z"),
"configVersion" : 1
},
{
"_id" : 1,
"name" : "172.28.9.141:27017",
"health" : 1,
"state" : 2,
"stateStr" : "SECONDARY",
"uptime" : 1748351,
"optime" :

{ "ts" : Timestamp(1554819946, 50), "t" : NumberLong(13) }

,
"optimeDate" : ISODate("2019-04-09T14:25:46Z"),
"lastHeartbeat" : ISODate("2019-04-15T06:54:24.344Z"),
"lastHeartbeatRecv" : ISODate("2019-04-15T06:54:23.360Z"),
"pingMs" : NumberLong(0),
"syncingTo" : "172.28.9.140:27017",
"configVersion" : 1
},
{
"_id" : 2,
"name" : "172.28.9.142:27017",
"health" : 1,
"state" : 2,
"stateStr" : "SECONDARY",
"uptime" : 1774629,
"optime" :

{ "ts" : Timestamp(1555311260, 90), "t" : NumberLong(13) }

,
"optimeDate" : ISODate("2019-04-15T06:54:20Z"),
"syncingTo" : "172.28.9.140:27017",
"configVersion" : 1,
"self" : true
}
],
"ok" : 1
}