MongoDB 删除，添加副本集，并修改副本集IP等信息

MongoDB 删除，添加副本集，并修改副本集IP等信息

添加副本，在登录到主节点下输入

rs.add("ip:port");

删除副本

rs.remove("ip:port");

新增仲裁节点

rs.addArb("ip:port");

修改副本host：

1shard1:PRIMARY> cfg = rs.conf()
2{
3        "_id" : "shard1",
4        "version" : 5,
5        "protocolVersion" : NumberLong(1),
6        "members" : [
7                {
8                        "_id" : 0,
9                        "host" : "127.0.0.1:2777",
10                        "arbiterOnly" : false,
11                        "buildIndexes" : true,
12                        "hidden" : false,
13                        "priority" : 1,
14                        "tags" : {
15
16                        },
17                        "slaveDelay" : NumberLong(0),
18                        "votes" : 1
19                }
20        ],
21        "settings" : {
22                "chainingAllowed" : true,
23                "heartbeatIntervalMillis" : 2000,
24                "heartbeatTimeoutSecs" : 10,
25                "electionTimeoutMillis" : 10000,
26                "getLastErrorModes" : {
27
28                },
29                "getLastErrorDefaults" : {
30                        "w" : 1,
31                        "wtimeout" : 0
32                },
33                "replicaSetId" : ObjectId("5d9c7a7e76695600e03e231f")
34        }
35}
36
37
38shard1:PRIMARY> cfg.members[0].host = "10.13.10.2:2777"
3910.130.10.72:2777
40shard1:PRIMARY> rs.reconfig(cfg)
41{ "ok" : 1 }
42shard1:PRIMARY> rs.status()
43{
44        "set" : "shard1",
45        "date" : ISODate("2019-10-09T02:59:26.916Z"),
46        "myState" : 1,
47        "term" : NumberLong(1),
48        "heartbeatIntervalMillis" : NumberLong(2000),
49        "members" : [
50                {
51                        "_id" : 0,
52                        "name" : "10.130.10.72:2777",
53                        "health" : 1,
54                        "state" : 1,
55                        "stateStr" : "PRIMARY",
56                        "uptime" : 54711,
57                        "optime" : {
58                                "ts" : Timestamp(1570589961, 1),
59                                "t" : NumberLong(1)
60                        },
61                        "optimeDate" : ISODate("2019-10-09T02:59:21Z"),
62                        "electionTime" : Timestamp(1570536062, 2),
63                        "electionDate" : ISODate("2019-10-08T12:01:02Z"),
64                        "configVersion" : 6,
65                        "self" : true
66                }
67        ],
68        "ok" : 1
69}