我正在努力連接到我的MongoDB副本集，但似乎沒有任何工作。我部署了具有 3 個(gè)節(jié)點(diǎn)的副本集，每個(gè)節(jié)點(diǎn)位于單獨(dú)的 AWS 可用區(qū)上，但位于同一區(qū)域。以下是我用于連接到副本集的代碼。 mongoURL := "mongodb://myuser:password@<publicIP>:27017,<publicIP>:27017,<publicIP>:27017/?replicaSet=replica01&authSource=admin" clientOptions := options.Client().ApplyURI(mongoURL) clientOptions = clientOptions.SetMaxPoolSize(100) //100 is default driver setting log.Println("Connection String: " + clientOptions.GetURI()) client, err := mongo.Connect(ctx, clientOptions)我還創(chuàng)建了DNS映射并使用它，但這也不起作用。以下是連接網(wǎng)址mongodb://adminuser:password@rs1.domain.com:27017,rs2.domain.com:27017,rs3.domain.com:27017/?replicaSet=replica01&authSource=admin機(jī)器人3T當(dāng)我嘗試使用公共IP將副本集與Robo3T連接時(shí)，我收到以下錯(cuò)誤無法連接到副本集“IP-RS”[公共 IP：27017]。集合的主數(shù)據(jù)庫無法訪問。原因：集合的任何成員都不可訪問。原因：連接失敗當(dāng)我使用子域名連接到副本集時(shí)，我收到以下錯(cuò)誤無法連接到副本集“SRV 副本”[rs1.domain.com:27017]。集合的主數(shù)據(jù)庫無法訪問。原因： 無法初始化 MongoWorker。原因：連接失敗
1 回答
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這是解決方案。
問題是主機(jī)名。我在配置副本集時(shí)使用了主機(jī)名。
這是我的配置
$ config = {
_id : "mongo-cluster",
members : [
{_id : 0, host : "mongo-1:27017"},
{_id : 1, host : "mongo-2:27017"},
{_id : 2, host : "mongo-3:27017"},
]
}
$ rs.initiate(config)
溶液
我用private-ip更改了。
請(qǐng)注意，由于我的 3 個(gè)副本節(jié)點(diǎn)位于同一 AWS 區(qū)域但位于不同的可用區(qū)中，因此我使用私有 IP 在節(jié)點(diǎn)之間建立連接。hostname
$ config = {
_id : "replica01",
members : [
{_id : 0, host : "private-ip:27017"},
{_id : 1, host : "private-ip:27017"},
{_id : 2, host : "private-ip:27017"},
]
}
rs0:PRIMARY> rs.reconfig(config)
所有 3 個(gè)節(jié)點(diǎn)上的 MongoDB conf 設(shè)置
File: /etc/mongod.conf
net:
port: 27017
bindIp: 127.0.0.1, 172.16.1.x (private-ip)
security:
keyFile: /opt/mongo/mongo-keyfile
replication:
replSetName: replica01
所有 3 個(gè)節(jié)點(diǎn)上的主機(jī)
File: /etc/hosts
172.16.1.x mongo-1
172.16.1.x mongo-2
172.16.1.x mongo-3
每臺(tái)計(jì)算機(jī)的名稱應(yīng)與 /etc/hosts 文件中定義的名稱匹配
$ sudo nano /etc/hostname
mongo-1
復(fù)制副本狀態(tài)
> rs.status()
{
"set" : "replica01",
"date" : ISODate("2021-03-13T12:42:45.971Z"),
"myState" : 2,
"term" : NumberLong(8),
"syncSourceHost" : "172.16.1.x:27017",
"syncSourceId" : 2,
"heartbeatIntervalMillis" : NumberLong(2000),
"majorityVoteCount" : 2,
"writeMajorityCount" : 2,
"votingMembersCount" : 3,
"writableVotingMembersCount" : 3,
"optimes" : {
"lastCommittedOpTime" : {
"ts" : Timestamp(1615639361, 1),
"t" : NumberLong(8)
},
"lastCommittedWallTime" : ISODate("2021-03-13T12:42:41.356Z"),
"readConcernMajorityOpTime" : {
"ts" : Timestamp(1615639361, 1),
"t" : NumberLong(8)
},
"readConcernMajorityWallTime" : ISODate("2021-03-13T12:42:41.356Z"),
"appliedOpTime" : {
"ts" : Timestamp(1615639361, 1),
"t" : NumberLong(8)
},
"durableOpTime" : {
"ts" : Timestamp(1615639361, 1),
"t" : NumberLong(8)
},
"lastAppliedWallTime" : ISODate("2021-03-13T12:42:41.356Z"),
"lastDurableWallTime" : ISODate("2021-03-13T12:42:41.356Z")
},
"lastStableRecoveryTimestamp" : Timestamp(1615639331, 1),
"members" : [
{
"_id" : 1,
"name" : "172.16.1.x:27017",
"health" : 1,
"state" : 2,
"stateStr" : "SECONDARY",
"uptime" : 159132,
"optime" : {
"ts" : Timestamp(1615639361, 1),
"t" : NumberLong(8)
},
"optimeDate" : ISODate("2021-03-13T12:42:41Z"),
"syncSourceHost" : "172.16.1.x:27017",
"syncSourceId" : 2,
"infoMessage" : "",
"configVersion" : 2,
"configTerm" : 8,
"self" : true,
"lastHeartbeatMessage" : ""
},
{
"_id" : 2,
"name" : "172.16.1.x:27017",
"health" : 1,
"state" : 1,
"stateStr" : "PRIMARY",
"uptime" : 62213,
"optime" : {
"ts" : Timestamp(1615639361, 1),
"t" : NumberLong(8)
},
"optimeDurable" : {
"ts" : Timestamp(1615639361, 1),
"t" : NumberLong(8)
},
"optimeDate" : ISODate("2021-03-13T12:42:41Z"),
"optimeDurableDate" : ISODate("2021-03-13T12:42:41Z"),
"lastHeartbeat" : ISODate("2021-03-13T12:42:45.616Z"),
"lastHeartbeatRecv" : ISODate("2021-03-13T12:42:44.778Z"),
"pingMs" : NumberLong(1),
"lastHeartbeatMessage" : "",
"syncSourceHost" : "",
"syncSourceId" : -1,
"infoMessage" : "",
"electionTime" : Timestamp(1615477956, 1),
"electionDate" : ISODate("2021-03-11T15:52:36Z"),
"configVersion" : 2,
"configTerm" : 8
},
{
"_id" : 3,
"name" : "172.16.1.x:27017",
"health" : 1,
"state" : 2,
"stateStr" : "SECONDARY",
"uptime" : 62213,
"optime" : {
"ts" : Timestamp(1615639361, 1),
"t" : NumberLong(8)
},
"optimeDurable" : {
"ts" : Timestamp(1615639361, 1),
"t" : NumberLong(8)
},
"optimeDate" : ISODate("2021-03-13T12:42:41Z"),
"optimeDurableDate" : ISODate("2021-03-13T12:42:41Z"),
"lastHeartbeat" : ISODate("2021-03-13T12:42:45.095Z"),
"lastHeartbeatRecv" : ISODate("2021-03-13T12:42:45.321Z"),
"pingMs" : NumberLong(0),
"lastHeartbeatMessage" : "",
"syncSourceHost" : "172.16.1.x:27017",
"syncSourceId" : 2,
"infoMessage" : "",
"configVersion" : 2,
"configTerm" : 8
}
],
"ok" : 1,
"$clusterTime" : {
"clusterTime" : Timestamp(1615639361, 1),
"signature" : {
"hash" : BinData(0,"2ujactkx3HytFTyWhh+JkzyQy+8="),
"keyId" : NumberLong("6936222258616598531")
}
},
"operationTime" : Timestamp(1615639361, 1)
}
轉(zhuǎn)到連接字符串
mongoURL := "mongodb://username:pass@$172.16.1.x:27017,172.16.1.x:27017,172.16.1.x:27017/mydb?replicaSet=replica01&authSource=admin"
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