点击(此处)折叠或打开
arps:RECOVERING> rs.status()rs.status() { "set" : "arps", "date" : ISODate("2017-12-22T02:31:58.803Z"), "myState" : 3, "members" : [ { "_id" : 0, "name" : "172.17.4.37:27017", "health" : 1, "state" : 2, "stateStr" : "SECONDARY", "uptime" : 7579839, "optime" : Timestamp(1513909913, 3), "optimeDate" : ISODate("2017-12-22T02:31:53Z"), "lastHeartbeat" : ISODate("2017-12-22T02:31:58.019Z"), "lastHeartbeatRecv" : ISODate("2017-12-22T02:31:57.750Z"), "pingMs" : 0, "syncingTo" : "172.17.4.38:27017", "configVersion" : 1 }, { "_id" : 1, "name" : "172.17.4.38:27017", "health" : 1, "state" : 1, "stateStr" : "PRIMARY", "uptime" : 7579913, "optime" : Timestamp(1513909913, 3), "optimeDate" : ISODate("2017-12-22T02:31:53Z"), "lastHeartbeat" : ISODate("2017-12-22T02:31:58.051Z"), "lastHeartbeatRecv" : ISODate("2017-12-22T02:31:58.018Z"), "pingMs" : 0, "electionTime" : Timestamp(1506330005, 1), "electionDate" : ISODate("2017-09-25T09:00:05Z"), "configVersion" : 1 }, { "_id" : 2, "name" : "172.17.4.39:27017", "health" : 1, "state" : 3, "stateStr" : "RECOVERING",//RECOVERING状态 "uptime" : 7580364, "optime" : Timestamp(1473614444, 2), "optimeDate" : ISODate("2016-09-11T17:20:44Z"), "configVersion" : 1, "self" : true } ], "ok" : 1 } 恢复思路: 1.关闭MongoDB故障节点的数据库服务，移除数据目录，启动MongoDB服务，开启自动同步机制，恢复secondary节点。 2.找到另外一个secondary数据节点的快照，关闭写操作。在数据不变化的情况下，获得一致性的备份快照，拷贝至故障节点中，启动MongoDB服务，应用oplog日志。恢复secondary节点。 由于环境数据量小，使用第一种方案。 1.mongodb数据库服务关闭点击(此处)折叠或打开
arps:RECOVERING> use admin switched to db admin arps:RECOVERING> db.shutdownServer() 2.删除或者移走数据目录点击(此处)折叠或打开
[root@mongodb data]# mv /opt/data/mongodb /opt/data/mongodb20171222 [root@mongodb data]# mkdir /opt/data/mongodb [root@mongodb data]# mkdir /opt/data/mongodb/log 3.启动数据库服务且查看状态点击(此处)折叠或打开
[root@mongodb data]#/opt/software/mongodb-linux-x86_64-3.0.1/bin/mongod -f /opt/software/mongodb-linux-x86_64-3.0.1/bin/mongodb.conf arps:STARTUP2> rs.status() { "set" : "arps", "date" : ISODate("2017-12-22T02:46:52.288Z"), "myState" : 5, "syncingTo" : "172.17.4.38:27017", "members" : [ { "_id" : 0, "name" : "172.17.4.37:27017", "health" : 1, "state" : 2, "stateStr" : "SECONDARY", "uptime" : 25, "optime" : Timestamp(1513910813, 3), "optimeDate" : ISODate("2017-12-22T02:46:53Z"), "lastHeartbeat" : ISODate("2017-12-22T02:46:51.122Z"), "lastHeartbeatRecv" : ISODate("2017-12-22T02:46:51.114Z"), "pingMs" : 0, "syncingTo" : "172.17.4.38:27017", "configVersion" : 1 }, { "_id" : 1, "name" : "172.17.4.38:27017", "health" : 1, "state" : 1, "stateStr" : "PRIMARY", "uptime" : 25, "optime" : Timestamp(1513910813, 3), "optimeDate" : ISODate("2017-12-22T02:46:53Z"), "lastHeartbeat" : ISODate("2017-12-22T02:46:51.127Z"), "lastHeartbeatRecv" : ISODate("2017-12-22T02:46:51.303Z"), "pingMs" : 0, "electionTime" : Timestamp(1506330005, 1), "electionDate" : ISODate("2017-09-25T09:00:05Z"), "configVersion" : 1 }, { "_id" : 2, "name" : "172.17.4.39:27017", "health" : 1, "state" : 5, "stateStr" : "STARTUP2",//STARTUP2的状态为:新加入的节点做数据初始化 "uptime" : 27, "optime" : Timestamp(0, 0), "optimeDate" : ISODate("1970-01-01T00:00:00Z"), "syncingTo" : "172.17.4.38:27017", "configVersion" : 1, "self" : true } ], "ok" : 1 } 关于副本集的状态，文献参考如下:https://docs.mongodb.com/v3.0/reference/replica-states/index.html 过了半个小时之后，数据恢复完成，状态日志如下:点击(此处)折叠或打开
..................... 2017-12-22T11:27:02.474+0800 I INDEX [rsSync] building index using bulk method 2017-12-22T11:27:02.475+0800 I INDEX [rsSync] build index done. scanned 75 total records. 0 secs 2017-12-22T11:27:02.477+0800 I REPL [rsSync] initial sync data copy, starting syncup 2017-12-22T11:27:02.798+0800 I REPL [rsSync] oplog sync 1 of 3 2017-12-22T11:27:03.145+0800 I REPL [ReplicationExecutor] syncing from: 172.17.4.38:27017 2017-12-22T11:27:03.288+0800 I REPL [rsSync] oplog sync 2 of 3 2017-12-22T11:27:03.289+0800 I REPL [rsSync] initial sync building indexes 2017-12-22T11:27:03.289+0800 I REPL [rsSync] initial sync cloning indexes for : demo 2017-12-22T11:27:03.300+0800 I REPL [SyncSourceFeedback] replset setting syncSourceFeedback to 172.17.4.38:27017 2017-12-22T11:27:03.390+0800 I STORAGE [rsSync] copying indexes for: { name: "ACT_AUTH_LOG", options: {} } 2017-12-22T11:27:03.391+0800 I STORAGE [rsSync] copying indexes for: { name: "SYSTEM_DATA_LOG", options: {} } 2017-12-22T11:27:03.392+0800 I STORAGE [rsSync] copying indexes for: { name: "SYSTEM_ERROR_LOG", options: {} } 2017-12-22T11:27:03.392+0800 I STORAGE [rsSync] copying indexes for: { name: "SYSTEM_EXTERNAL_PACKET", options: {} } 2017-12-22T11:27:03.393+0800 I STORAGE [rsSync] copying indexes for: { name: "SYSTEM_EXTERNAL_PACKET_LOG", options: {} } 2017-12-22T11:27:03.393+0800 I STORAGE [rsSync] copying indexes for: { name: "SYSTEM_JPUSH_LOG", options: {} } 2017-12-22T11:27:03.394+0800 I STORAGE [rsSync] copying indexes for: { name: "SYSTEM_MESSAGE_LOG", options: {} } 2017-12-22T11:27:03.395+0800 I STORAGE [rsSync] copying indexes for: { name: "SYSTEM_REQUEST_LOG", options: {} } 2017-12-22T11:27:03.395+0800 I STORAGE [rsSync] copying indexes for: { name: "SYSTEM_RETRY_MESSAGE", options: {} } 2017-12-22T11:27:03.395+0800 I STORAGE [rsSync] copying indexes for: { name: "SYSTEM_RUN_LOG", options: { capped: true, size: 536870912 } } 2017-12-22T11:27:03.396+0800 I STORAGE [rsSync] copying indexes for: { name: "SYSTEM_SMSEMAIL_LOG", options: {} } 2017-12-22T11:27:03.396+0800 I STORAGE [rsSync] copying indexes for: { name: "SYSTEM_TIMEOUT_LOG", options: {} } 2017-12-22T11:27:03.397+0800 I REPL [rsSync] oplog sync 3 of 3 2017-12-22T11:27:03.406+0800 I REPL [rsSync] initial sync finishing up 2017-12-22T11:27:03.406+0800 I REPL [rsSync] replSet set minValid=5a3c7b93:3 2017-12-22T11:27:03.429+0800 I REPL [rsSync] initial sync done 2017-12-22T11:27:03.474+0800 I REPL [ReplicationExecutor] transition to RECOVERING 2017-12-22T11:27:03.476+0800 I REPL [ReplicationExecutor] transition to SECONDARY .................. 节点恢复的状态，如下:点击(此处)折叠或打开
arps:SECONDARY> rs.status() ............... { "_id" : 2, "name" : "172.17.4.39:27017", "health" : 1, "state" : 2, "stateStr" : "SECONDARY",//恢复完成 "uptime" : 2500, "optime" : Timestamp(1513913295, 3), "optimeDate" : ISODate("2017-12-22T03:28:15Z"), "syncingTo" : "172.17.4.38:27017", "configVersion" : 1, "self" : true } .................