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MongoDB 2.6.4 主从同步

时间:2016-12-24 17:27  来源:linux.it.net.cn   作者:IT

单机主从模式

1：启动master


[it@it04 mongodb-linux-x86_64-2.6.4]$ mongod --dbpath /home/it/mongodb-linux-x86_64-2.6.4/data --port 10000 --master 
2014-09-05T15:11:50.115+0800 [initandlisten] MongoDB starting : pid=23623 port=10000 dbpath=/home/it/mongodb-linux-x86_64-2.6.4/data master=1 64-bit host=it04 
2014-09-05T15:11:50.116+0800 [initandlisten] db version v2.6.4 
2014-09-05T15:11:50.116+0800 [initandlisten] git version: 3a830be0eb92d772aa855ebb711ac91d658ee910 
2014-09-05T15:11:50.117+0800 [initandlisten] build info: Linux build7.nj1.10gen.cc 2.6.32-431.3.1.el6.x86_64 #1 SMP Fri Jan 3 21:39:27 UTC 2014 x86_64 BOOST_LIB_VERSION=1_49 
2014-09-05T15:11:50.117+0800 [initandlisten] allocator: tcmalloc 
2014-09-05T15:11:50.117+0800 [initandlisten] options: { master: true, net: { port: 10000 }, storage: { dbPath: "/home/it/mongodb-linux-x86_64-2.6.4/data" } } 
2014-09-05T15:11:50.127+0800 [initandlisten] journal dir=/home/it/mongodb-linux-x86_64-2.6.4/data/journal 
2014-09-05T15:11:50.127+0800 [initandlisten] recover : no journal files present, no recovery needed 
2014-09-05T15:11:50.298+0800 [initandlisten] waiting for connections on port 10000 

2：启动slave

[it@it04 ~]$ mongod --dbpath /home/it/mongodb-linux-x86_64-2.6.4/data2 --port 10001 --slave --source localhost:10000 
2014-09-05T15:12:48.411+0800 [initandlisten] MongoDB starting : pid=23636 port=10001 dbpath=/home/it/mongodb-linux-x86_64-2.6.4/data2 slave=1 64-bit host=it04 
2014-09-05T15:12:48.412+0800 [initandlisten] db version v2.6.4 
2014-09-05T15:12:48.412+0800 [initandlisten] git version: 3a830be0eb92d772aa855ebb711ac91d658ee910 
2014-09-05T15:12:48.412+0800 [initandlisten] build info: Linux build7.nj1.10gen.cc 2.6.32-431.3.1.el6.x86_64 #1 SMP Fri Jan 3 21:39:27 UTC 2014 x86_64 BOOST_LIB_VERSION=1_49 
2014-09-05T15:12:48.412+0800 [initandlisten] allocator: tcmalloc 
2014-09-05T15:12:48.413+0800 [initandlisten] options: { net: { port: 10001 }, slave: true, source: "localhost:10000", storage: { dbPath: "/home/it/mongodb-linux-x86_64-2.6.4/data2" } } 
2014-09-05T15:12:48.417+0800 [initandlisten] journal dir=/home/it/mongodb-linux-x86_64-2.6.4/data2/journal 
2014-09-05T15:12:48.417+0800 [initandlisten] recover : no journal files present, no recovery needed 
2014-09-05T15:12:48.434+0800 [initandlisten] waiting for connections on port 10001 
2014-09-05T15:12:49.438+0800 [replslave] repl: syncing from host:localhost:10000 

2014-09-05T15:13:48.454+0800 [clientcursormon] mem (MB) res:51 virt:584 
2014-09-05T15:13:48.454+0800 [clientcursormon]  mapped (incl journal view):320 
2014-09-05T15:13:48.454+0800 [clientcursormon]  connections:0 
2014-09-05T15:14:04.315+0800 [replslave] repl:   checkpoint applied 285 operations 
2014-09-05T15:14:04.316+0800 [replslave] repl:   syncedTo: Sep  5 15:13:54 540962b2:1 

3：显示数据

[it@it04 ~]$ mongo localhost:10000 
MongoDB shell version: 2.6.4 
connecting to: localhost:10000/test 
> db.master.find() 
{ "_id" : ObjectId("540942bed89f094a5fbd9b5a"), "uid" : 1000 } 
{ "_id" : ObjectId("540946bcd89f094a5fbd9b5b"), "uid" : 1001 } 
{ "_id" : ObjectId("540956b7789903d8baf6b1b3"), "uid" : 1002 } 
>  
从

[it@it04 mongodb-linux-x86_64-2.6.4]$ mongo localhost:10001         
MongoDB shell version: 2.6.4 
connecting to: localhost:10001/test 
> db.master.find() 
{ "_id" : ObjectId("540942bed89f094a5fbd9b5a"), "uid" : 1000 } 
{ "_id" : ObjectId("540946bcd89f094a5fbd9b5b"), "uid" : 1001 } 
{ "_id" : ObjectId("540956b7789903d8baf6b1b3"), "uid" : 1002 } 

4：主写数据

> db.master.insert({uid:1004}) 
WriteResult({ "nInserted" : 1 }) 
> db.master.find() 
{ "_id" : ObjectId("540942bed89f094a5fbd9b5a"), "uid" : 1000 } 
{ "_id" : ObjectId("540946bcd89f094a5fbd9b5b"), "uid" : 1001 } 
{ "_id" : ObjectId("540956b7789903d8baf6b1b3"), "uid" : 1002 } 
{ "_id" : ObjectId("5409638c0a6617467df195ec"), "uid" : 1004 } 
>  
从查询数据

[it@it04 ~]$ cd mongodb-linux-x86_64-2.6.4 
[it@it04 mongodb-linux-x86_64-2.6.4]$ mongo localhost:10001         
MongoDB shell version: 2.6.4 
connecting to: localhost:10001/test 
> db.master.find() 
{ "_id" : ObjectId("540942bed89f094a5fbd9b5a"), "uid" : 1000 } 
{ "_id" : ObjectId("540946bcd89f094a5fbd9b5b"), "uid" : 1001 } 
{ "_id" : ObjectId("540956b7789903d8baf6b1b3"), "uid" : 1002 } 
> db.master.find() 
{ "_id" : ObjectId("540942bed89f094a5fbd9b5a"), "uid" : 1000 } 
{ "_id" : ObjectId("540946bcd89f094a5fbd9b5b"), "uid" : 1001 } 
{ "_id" : ObjectId("540956b7789903d8baf6b1b3"), "uid" : 1002 } 
{ "_id" : ObjectId("5409638c0a6617467df195ec"), "uid" : 1004 } 
>  
从机日志

2014-09-05T15:15:48.791+0800 [initandlisten] connection accepted from 127.0.0.1:35622 #1 (1 connection now open) 
2014-09-05T15:16:34.336+0800 [replslave] repl:   checkpoint applied 15 operations 
2014-09-05T15:16:34.336+0800 [replslave] repl:   syncedTo: Sep  5 15:16:24 54096348:1 
2014-09-05T15:18:48.556+0800 [clientcursormon] mem (MB) res:36 virt:585 
2014-09-05T15:18:48.556+0800 [clientcursormon]  mapped (incl journal view):320 
2014-09-05T15:18:48.556+0800 [clientcursormon]  connections:1 
2014-09-05T15:18:54.357+0800 [replslave] repl:   checkpoint applied 15 operations 
2014-09-05T15:18:54.358+0800 [replslave] repl:   syncedTo: Sep  5 15:18:44 540963d4:1 

关闭MongoDB ：

方法一：


[it@it04 mongodb-linux-x86_64-2.6.4]$ mongod  --shutdown  --dbpath /home/it/mongodb-linux-x86_64-2.6.4/data 
killing process with pid: 22745 
方法二：

<pre name="code" class="html"><pre name="code" class="html">[it@it04 mongodb-linux-x86_64-2.6.4]$ mongo localhost:10000         
MongoDB shell version: 2.6.4 
connecting to: localhost:10001/test 
> use admin; 
switched to db admin 
> db.shutdownServer(); 
2014-09-05T15:23:59.910+0800 DBClientCursor::init call() failed 
server should be down... 
2014-09-05T15:23:59.912+0800 trying reconnect to localhost:10000 (127.0.0.1) failed 
2014-09-05T15:23:59.915+0800 warning: Failed to connect to 127.0.0.1:10000, reason: errno:111 Connection refused 
2014-09-05T15:23:59.915+0800 reconnect localhost:10000 (127.0.0.1) failed failed couldn't connect to server localhost:10000 (127.0.0.1), connection attempt failed 
> exit; 
[it@it04 ~]$  




多机主从模式：
[plain] view plain copy
[it@it04 mongodb-linux-x86_64-2.6.4]$ mkdir log 
[it@it04 mongodb-linux-x86_64-2.6.4]$ mongod --dbpath /home/it/mongodb-linux-x86_64-2.6.4/data --master --rest --nojournal --fork --logpath /home/it/mongodb-linux-x86_64-2.6.4/log 
2014-09-05T10:31:44.158+0800 ** WARNING: --rest is specified without --httpinterface, 
2014-09-05T10:31:44.172+0800 **          enabling http interface 
about to fork child process, waiting until server is ready for connections. 
forked process: 22535 
ERROR: child process failed, exited with error number 1 
报错，发现日志文件不存在


[it@it04 mongodb-linux-x86_64-2.6.4]$ mongod --dbpath /home/it/mongodb-linux-x86_64-2.6.4/data --master --rest --nojournal --fork --logpath /home/it/mongodb-linux-x86_64-2.6.4/log/mongod.log 
2014-09-05T16:12:09.321+0800 ** WARNING: --rest is specified without --httpinterface, 
2014-09-05T16:12:09.322+0800 **          enabling http interface 
about to fork child process, waiting until server is ready for connections. 
forked process: 24061 
child process started successfully, parent exiting 
启动成功,rest有问题

2:启动slave



[it@it.net.cn mongodb-linux-x86_64-2.6.4]$ mongod --dbpath /home/it/mongodb-linux-x86_64-2.6.4/data   --slave --source it04:27017 --rest --nojournal --fork --logpath /home/it/mongodb-linux-x86_64-2.6.4/log/mongod.log 
2014-09-05T16:13:57.872+0800 ** WARNING: --rest is specified without --httpinterface, 
2014-09-05T16:13:57.872+0800 **          enabling http interface 
about to fork child process, waiting until server is ready for connections. 
forked process: 2787 
child process started successfully, parent exiting 
[it@it.net.cn mongodb-linux-x86_64-2.6.4]$ cat log/mongod.log 
2014-09-05T16:13:57.883+0800 [initandlisten] MongoDB starting : pid=2787 port=27017 dbpath=/home/it/mongodb-linux-x86_64-2.6.4/data slave=1 64-bit host=it.net.cn 
2014-09-05T16:13:57.883+0800 [initandlisten] db version v2.6.4 
2014-09-05T16:13:57.883+0800 [initandlisten] git version: 3a830be0eb92d772aa855ebb711ac91d658ee910 
2014-09-05T16:13:57.883+0800 [initandlisten] build info: Linux build7.nj1.10gen.cc 2.6.32-431.3.1.el6.x86_64 #1 SMP Fri Jan 3 21:39:27 UTC 2014 x86_64 BOOST_LIB_VERSION=1_49 
2014-09-05T16:13:57.883+0800 [initandlisten] allocator: tcmalloc 
2014-09-05T16:13:57.883+0800 [initandlisten] options: { net: { http: { RESTInterfaceEnabled: true, enabled: true } }, processManagement: { fork: true }, slave: true, source: "it04:27017", storage: { dbPath: "/home/it/mongodb-linux-x86_64-2.6.4/data", journal: { enabled: false } }, systemLog: { destination: "file", path: "/home/it/mongodb-linux-x86_64-2.6.4/log/mongod.log" } } 
2014-09-05T16:13:57.929+0800 [initandlisten] waiting for connections on port 27017 
2014-09-05T16:13:57.929+0800 [websvr] admin web console waiting for connections on port 28017 
2014-09-05T16:13:58.929+0800 [replslave] repl: --source it04:27017 != it04 from local.sources collection 
2014-09-05T16:13:58.929+0800 [replslave] repl: for instructions on changing this slave's source, see: 
2014-09-05T16:13:58.929+0800 [replslave] http://dochub.mongodb.org/core/masterslave 
2014-09-05T16:13:58.929+0800 [replslave] repl: terminating mongod after 30 seconds 
错误提示： repl: --source it04:27017 != it04 from local.sources collection


[it@it.net.cn mongodb-linux-x86_64-2.6.4]$ mongod --dbpath /home/it/mongodb-linux-x86_64-2.6.4/data   --slave --source 10.5.4.57:27017 --rest --nojournal --fork --logpath /home/it/mongodb-linux-x86_64-2.6.4/log/mongod.log         
2014-09-05T16:15:59.408+0800 ** WARNING: --rest is specified without --httpinterface, 
2014-09-05T16:15:59.408+0800 **          enabling http interface 
about to fork child process, waiting until server is ready for connections. 
forked process: 2809 
child process started successfully, parent exiting 
[it@it.net.cn mongodb-linux-x86_64-2.6.4]$ cat log/mongod.log 
2014-09-05T16:15:59.415+0800 [initandlisten] MongoDB starting : pid=2809 port=27017 dbpath=/home/it/mongodb-linux-x86_64-2.6.4/data slave=1 64-bit host=it.net.cn 
2014-09-05T16:15:59.415+0800 [initandlisten] db version v2.6.4 
2014-09-05T16:15:59.415+0800 [initandlisten] git version: 3a830be0eb92d772aa855ebb711ac91d658ee910 
2014-09-05T16:15:59.415+0800 [initandlisten] build info: Linux build7.nj1.10gen.cc 2.6.32-431.3.1.el6.x86_64 #1 SMP Fri Jan 3 21:39:27 UTC 2014 x86_64 BOOST_LIB_VERSION=1_49 
2014-09-05T16:15:59.415+0800 [initandlisten] allocator: tcmalloc 
2014-09-05T16:15:59.415+0800 [initandlisten] options: { net: { http: { RESTInterfaceEnabled: true, enabled: true } }, processManagement: { fork: true }, slave: true, source: "10.5.4.57:27017", storage: { dbPath: "/home/it/mongodb-linux-x86_64-2.6.4/data", journal: { enabled: false } }, systemLog: { destination: "file", path: "/home/it/mongodb-linux-x86_64-2.6.4/log/mongod.log" } } 
2014-09-05T16:15:59.447+0800 [initandlisten] waiting for connections on port 27017 
2014-09-05T16:15:59.449+0800 [websvr] admin web console waiting for connections on port 28017 
2014-09-05T16:16:00.449+0800 [replslave] repl: --source 10.5.4.57:27017 != it04 from local.sources collection 
2014-09-05T16:16:00.449+0800 [replslave] repl: for instructions on changing this slave's source, see: 
2014-09-05T16:16:00.449+0800 [replslave] http://dochub.mongodb.org/core/masterslave 
2014-09-05T16:16:00.449+0800 [replslave] repl: terminating mongod after 30 seconds 
[it@it.net.cn mongodb-linux-x86_64-2.6.4]$  
错误提示：repl: --source 10.5.4.57:27017 != it04 from local.sources collection




[it@it.net.cn mongodb-linux-x86_64-2.6.4]$ mongod --dbpath /home/it/mongodb-linux-x86_64-2.6.4/data   --slave --source it04 --rest --nojournal --fork --logpath /home/it/mongodb-linux-x86_64-2.6.4/log/mongod.log                 
2014-09-05T16:19:02.564+0800 ** WARNING: --rest is specified without --httpinterface, 
2014-09-05T16:19:02.564+0800 **          enabling http interface 
about to fork child process, waiting until server is ready for connections. 
forked process: 2832 
child process started successfully, parent exiting 
[it@it.net.cn mongodb-linux-x86_64-2.6.4]$ cat log/mongod.log 
2014-09-05T16:19:02.575+0800 [initandlisten] MongoDB starting : pid=2832 port=27017 dbpath=/home/it/mongodb-linux-x86_64-2.6.4/data slave=1 64-bit host=it.net.cn 
2014-09-05T16:19:02.575+0800 [initandlisten] db version v2.6.4 
2014-09-05T16:19:02.575+0800 [initandlisten] git version: 3a830be0eb92d772aa855ebb711ac91d658ee910 
2014-09-05T16:19:02.575+0800 [initandlisten] build info: Linux build7.nj1.10gen.cc 2.6.32-431.3.1.el6.x86_64 #1 SMP Fri Jan 3 21:39:27 UTC 2014 x86_64 BOOST_LIB_VERSION=1_49 
2014-09-05T16:19:02.575+0800 [initandlisten] allocator: tcmalloc 
2014-09-05T16:19:02.575+0800 [initandlisten] options: { net: { http: { RESTInterfaceEnabled: true, enabled: true } }, processManagement: { fork: true }, slave: true, source: "it04", storage: { dbPath: "/home/it/mongodb-linux-x86_64-2.6.4/data", journal: { enabled: false } }, systemLog: { destination: "file", path: "/home/it/mongodb-linux-x86_64-2.6.4/log/mongod.log" } } 
2014-09-05T16:19:02.608+0800 [initandlisten] waiting for connections on port 27017 
2014-09-05T16:19:02.610+0800 [websvr] admin web console waiting for connections on port 28017 
2014-09-05T16:19:03.612+0800 [replslave] repl: syncing from host:it04 
2014-09-05T16:19:03.613+0800 [replslave] warning: Failed to connect to 10.5.4.57:27017, reason: errno:113 No route to host 
2014-09-05T16:19:03.613+0800 [replslave] repl: couldn't connect to server it04:27017 (10.5.4.57), connection attempt failed 
2014-09-05T16:19:03.613+0800 [replslave] repl: sleep 3 sec before next pass 
[it@it.net.cn mongodb-linux-x86_64-2.6.4]$  

错误提示：warning: Failed to connect to 10.5.4.57:27017, reason: errno:113 No route to host
连接不上

(责任编辑：IT)
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