MongoDB修复config配置节点

「爱情、让人受尽委屈。」 2024-04-18 00:44 57阅读 0赞

生产环境的一套MongoDB发生故障，其中一个config节点的磁盘损坏。  
修复流程如下：

1.  \# 登录到config库，查看config的节点状态  
    
2.  \# 可以看到\_id为2的节点状态是不可访问的  
    
3.  \[root@mongos-mq ~\]\# /opt/mongodb-linux-x86\_64-3.2.10/bin/mongo \--port 10000  
    
4.  MongoDB shell version: 3.2.10  
    
5.  connecting to: 127.0.0.1:10000/test  
    
6.  config\_rs:PRIMARY> use admin  
    
7.  switched to db admin  
    
8.  config\_rs:PRIMARY> db.auth("root", "xxx")  
    
9.  1  
    
10. config\_rs:PRIMARY> rs.status()  
    
11. \{   
    
12.     "set" : "config\_rs",  
    
13.     "date" : ISODate("2018-05-30T04:53:21.081Z"),  
    
14.     "myState" : 1,  
    
15.     "term" : NumberLong(1),  
    
16.     "configsvr" : true,  
    
17.     "heartbeatIntervalMillis" : NumberLong(2000),  
    
18.     "members" : \[  
    
19.         \{   
    
20.             "\_id" : 0,  
    
21.             "name" : "192.168.210.208:10000",  
    
22.             "health" : 1,  
    
23.             "state" : 1,  
    
24.             "stateStr" : "PRIMARY",  
    
25.             "uptime" : 1112804,  
    
26.             "optime" : \{   
    
27.                 "ts" : Timestamp(1527656000, 1),  
    
28.                 "t" : NumberLong(1)  
    
29.             \},  
    
30.             "optimeDate" : ISODate("2018-05-30T04:53:20Z"),  
    
31.             "electionTime" : Timestamp(1526543249, 2),  
    
32.             "electionDate" : ISODate("2018-05-17T07:47:29Z"),  
    
33.             "configVersion" : 3,  
    
34.             "self" : true  
    
35.         \},  
    
36.         \{   
    
37.             "\_id" : 1,  
    
38.             "name" : "192.168.210.209:10000",  
    
39.             "health" : 1,  
    
40.             "state" : 2,  
    
41.             "stateStr" : "SECONDARY",  
    
42.             "uptime" : 1111358,  
    
43.             "optime" : \{   
    
44.                 "ts" : Timestamp(1527656000, 1),  
    
45.                 "t" : NumberLong(1)  
    
46.             \},  
    
47.             "optimeDate" : ISODate("2018-05-30T04:53:20Z"),  
    
48.             "lastHeartbeat" : ISODate("2018-05-30T04:53:20.836Z"),  
    
49.             "lastHeartbeatRecv" : ISODate("2018-05-30T04:53:19.329Z"),  
    
50.             "pingMs" : NumberLong(0),  
    
51.             "syncingTo" : "192.168.210.208:10000",  
    
52.             "configVersion" : 3  
    
53.         \},  
    
54.         \{   
    
55.             "\_id" : 2,  
    
56.             "name" : "192.168.210.207:10000",  
    
57.             "health" : 0,  
    
58.             "state" : 8,  
    
59.             "stateStr" : "(not reachable/healthy)",  
    
60.             "uptime" : 0,  
    
61.             "optime" : \{   
    
62.                 "ts" : Timestamp(0, 0),  
    
63.                 "t" : NumberLong(\-1)  
    
64.             \},  
    
65.             "optimeDate" : ISODate("1970-01-01T00:00:00Z"),  
    
66.             "lastHeartbeat" : ISODate("2018-05-30T04:53:20.850Z"),  
    
67.             "lastHeartbeatRecv" : ISODate("2018-05-26T09:07:27.318Z"),  
    
68.             "pingMs" : NumberLong(0),  
    
69.             "lastHeartbeatMessage" : "Connection refused",  
    
70.             "configVersion" : -1  
    
71.         \}  
    
72.     \],  
    
73.     "ok" : 1  
    
74. \}  
    
75.   
    
76. \# 在故障节点上面重新安装MongoDB，创建数据文件目录  
    
77. \[root@tomcat-207 opt\]\# tar xfz mongodb-linux-x86\_64-3.2.10.tgz  
    
78. \[root@tomcat-207 opt\]\# mkdir -p /data/mongodb\_data/config\_rs1\_10000  
    
79.   
    
80. \# 配置参数文件  
    
81. \[root@tomcat-207 opt\]\# cat /etc/mongodb/config\_rs1\_10000.conf  
    
82. systemLog:  
    
83.     destination: file  
    
84.     path: /data/mongodb\_data/config\_rs1\_10000/mongod.log  
    
85. processManagement:  
    
86.     fork: true  
    
87. net:  
    
88.     bindIp: 0.0.0.0  
    
89.     port: 10000  
    
90. security:  
    
91.     keyFile: /data/mongodb\_data/keyfile  
    
92. storage:  
    
93.     dbPath: /data/mongodb\_data/config\_rs1\_10000  
    
94.     directoryPerDB: true  
    
95. operationProfiling:  
    
96.     slowOpThresholdMs: 100  
    
97.     mode: slowOp  
    
98. replication:  
    
99.     replSetName: config\_rs  
    
100. sharding:  
    
101.     clusterRole: configsvr  
    
102.   
    
103. \# 从其他config节点拷贝过来keyfile文件  
    
104. \[root@mongos-mq opt\]\# scp /data/mongodb\_data/keyfile root@192.168.210.207:/data/mongodb\_data/  
    
105.   
    
106. \# 启动Mongo  
    
107. \[root@mongos-mq opt\]\# /opt/mongodb-linux-x86\_64-3.2.10/bin/mongod -f /etc/mongodb/config\_rs1\_10000.conf  
    
108. about to fork child process, waiting until server is ready for connections.  
    
109. forked process: 3744  
    
110. child process started successfully, parent exiting  
    
111.   
    
112. \# 查看config节点状态  
    
113. \# 所有的config节点都恢复正常  
    
114. config\_rs:PRIMARY> rs.status()  
    
115. \{   
    
116.     "set" : "config\_rs",  
    
117.     "date" : ISODate("2018-05-30T05:29:40.103Z"),  
    
118.     "myState" : 1,  
    
119.     "term" : NumberLong(1),  
    
120.     "configsvr" : true,  
    
121.     "heartbeatIntervalMillis" : NumberLong(2000),  
    
122.     "members" : \[  
    
123.         \{   
    
124.             "\_id" : 0,  
    
125.             "name" : "192.168.210.208:10000",  
    
126.             "health" : 1,  
    
127.             "state" : 1,  
    
128.             "stateStr" : "PRIMARY",  
    
129.             "uptime" : 1114983,  
    
130.             "optime" : \{   
    
131.                 "ts" : Timestamp(1527658178, 4),  
    
132.                 "t" : NumberLong(1)  
    
133.             \},  
    
134.             "optimeDate" : ISODate("2018-05-30T05:29:38Z"),  
    
135.             "electionTime" : Timestamp(1526543249, 2),  
    
136.             "electionDate" : ISODate("2018-05-17T07:47:29Z"),  
    
137.             "configVersion" : 3,  
    
138.             "self" : true  
    
139.         \},  
    
140.         \{   
    
141.             "\_id" : 1,  
    
142.             "name" : "192.168.210.209:10000",  
    
143.             "health" : 1,  
    
144.             "state" : 2,  
    
145.             "stateStr" : "SECONDARY",  
    
146.             "uptime" : 1113537,  
    
147.             "optime" : \{   
    
148.                 "ts" : Timestamp(1527658178, 4),  
    
149.                 "t" : NumberLong(1)  
    
150.             \},  
    
151.             "optimeDate" : ISODate("2018-05-30T05:29:38Z"),  
    
152.             "lastHeartbeat" : ISODate("2018-05-30T05:29:39.535Z"),  
    
153.             "lastHeartbeatRecv" : ISODate("2018-05-30T05:29:39.941Z"),  
    
154.             "pingMs" : NumberLong(0),  
    
155.             "syncingTo" : "192.168.210.208:10000",  
    
156.             "configVersion" : 3  
    
157.         \},  
    
158.         \{   
    
159.             "\_id" : 2,  
    
160.             "name" : "192.168.210.207:10000",  
    
161.             "health" : 1,  
    
162.             "state" : 2,  
    
163.             "stateStr" : "SECONDARY",  
    
164.             "uptime" : 1588,  
    
165.             "optime" : \{   
    
166.                 "ts" : Timestamp(1527658178, 4),  
    
167.                 "t" : NumberLong(1)  
    
168.             \},  
    
169.             "optimeDate" : ISODate("2018-05-30T05:29:38Z"),  
    
170.             "lastHeartbeat" : ISODate("2018-05-30T05:29:39.535Z"),  
    
171.             "lastHeartbeatRecv" : ISODate("2018-05-30T05:29:39.691Z"),  
    
172.             "pingMs" : NumberLong(0),  
    
173.             "syncingTo" : "192.168.210.209:10000",  
    
174.             "configVersion" : 3  
    
175.         \}  
    
176.     \],  
    
177.     "ok" : 1  
    
178. \}

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