bers" : [
{
"_id" : 0,
"name" : "mongodb1.example.net:27017",
"health" : 0,
"state" : 8,
"stateStr" : "(not reachable/healthy)",
"uptime" : 0,
"optime" : Timestamp(1374142698, 1),
"optimeDate" : ISODate("2013-07-18T10:18:18Z"),
"lastHeartbeat" : ISODate("2013-07-18T10:39:17Z"),
"lastHeartbeatRecv" : ISODate("2013-07-18T10:38:35Z"),
"pingMs" : 0
},
{
"_id" : 1,
"name" : "mongodb2.example.net:27017",
"health" : 1,
"state" : 2,
"stateStr" : "SECONDARY",
"uptime" : 1222,
"optime" : Timestamp(1374142698, 1),
"optimeDate" : ISODate("2013-07-18T10:18:18Z"),
"lastHeartbeat" : ISODate("2013-07-18T10:39:18Z"),
"lastHeartbeatRecv" : ISODate("2013-07-18T10:39:19Z"),
"pingMs" : 0,
"lastHeartbeatMessage" : "syncing to: mongodb3.example.net:27017",
"syncingTo" : "mongodb3.example.net:27017"
},
{
"_id" : 2,
"name" : "mongodb3.example.net:27017",
"health" : 1,
"state" : 1,
"stateStr" : "PRIMARY",
"uptime" : 1961,
"optime" : Timestamp(1374142698, 1),
"optimeDate" : ISODate("2013-07-18T10:18:18Z"),
"self" : true
}
],
"ok" : 1
}
test:PRIMARY>
225中：
test:SECONDARY> rs.isMaster()
{
"setName" : "test",
"ismaster" : false,
"secondary" : true,
"hosts" : [
"mongodb2.example.net:27017",
"mongodb3.example.net:27017",
"mongodb1.example.net:27017"
],
"primary" : "mongodb3.example.net:27017",
"me" : "mongodb2.example.net:27017",
"maxBsonObjectSize" : 16777216,
"maxMessageSizeBytes" : 48000000,
"localTime" : ISODate("2013-07-18T10:38:59.686Z"),
"ok" : 1
}
test:SECONDARY>
看到故障切换成功；
故障修复后，重启查看状态；
[root@MongodbF-A etc]# /App/mongo/bin/mongod -f /etc/mongodb-rs.conf
about to fork child process, waiting until server is ready for connections.
all output going to: /log/log.log
forked process: 8891
log file [/log/log.log] exists; copied to temporary file [/log/log.log.2013-07-18T10-40-36]
child process started successfully, parent exiting
[root@MongodbF-A etc]# /App/mongo/bin/mongo 192.168.155.224
MongoDB shell version: 2.4.5
connecting to: 192.168.155.224/test
test:SECONDARY> rs.status()
{
"set" : "test",
"date" : ISODate("2013-07-18T10:40:48Z"),
"myState" : 2,
"syncingTo" : "mongodb3.example.net:27017",
"members" : [
{
"_id" : 0,
"name" : "mongodb1.example.net:27017",
"health" : 1,
"state" : 2,
"stateStr" : "SECONDARY",
"uptime" : 12,
"optime" : Timestamp(1374142698, 1),
"optimeDate" : ISODate("2013-07-18T10:18:18Z"),
"errms