mongodb备份与恢复

备份

[root@node01 ~]# mongo

MongoDB shell version: 3.0.7

connecting to: test

Server has startup warnings:

2017-06-20T02:33:02.858+0800 I CONTROL [initandlisten] ** WARNING: You are running this process as the root user, which is not recommended.

2017-06-20T02:33:02.858+0800 I CONTROL [initandlisten]

alextest:PRIMARY> show dbs

admin 0.078GB

alex 0.078GB

local 0.078GB

mydb 0.078GB

alextest:PRIMARY> use mydb

switched to db mydb

alextest:PRIMARY> show tables

system.indexes

testc

alextest:PRIMARY> db.testc.find()

alextest:PRIMARY> db.testc.insert({'id':1,'name':'alex','age':28})

WriteResult({ "nInserted" : 1 })

alextest:PRIMARY> db.testc.find()

{ "_id" : ObjectId("594840acec928a5122768fb7"), "id" : 1, "name" : "alex", "age" : 28 }

alextest:PRIMARY> db.testc.insert({'id':2,'name':'xiao','age':20})

WriteResult({ "nInserted" : 1 })

alextest:PRIMARY> db.testc.find()

{ "_id" : ObjectId("594840acec928a5122768fb7"), "id" : 1, "name" : "alex", "age" : 28 }

{ "_id" : ObjectId("594840cfec928a5122768fb8"), "id" : 2, "name" : "xiao", "age" : 20 }

alextest:PRIMARY> exit

bye

[root@node01 ~]# mongodump -d mydb -o /tmp/mongodbbackup

2017-06-20T05:24:27.608+0800 writing mydb.system.indexes to /tmp/mongodbbackup/mydb/system.indexes.bson

2017-06-20T05:24:27.608+0800 writing mydb.testc to /tmp/mongodbbackup/mydb/testc.bson

2017-06-20T05:24:27.609+0800 writing mydb.testc metadata to /tmp/mongodbbackup/mydb/testc.metadata.json

2017-06-20T05:24:27.609+0800 done dumping mydb.testc (2 documents)

[root@node01 ~]# echo $?

0

[root@node01 ~]# ll /tmp/mongodbbackup/mydb/

system.indexes.bson testc.bson testc.metadata.json

[root@node01 ~]# mongodump -o /tmp/mongodball

2017-06-20T05:25:56.291+0800 writing admin.system.indexes to /tmp/mongodball/admin/system.indexes.bson

2017-06-20T05:25:56.293+0800 writing admin.system.users to /tmp/mongodball/admin/system.users.bson

2017-06-20T05:25:56.293+0800 writing admin.system.users metadata to /tmp/mongodball/admin/system.users.metadata.json

2017-06-20T05:25:56.294+0800 done dumping admin.system.users (1 document)

2017-06-20T05:25:56.294+0800 writing admin.system.version to /tmp/mongodball/admin/system.version.bson

2017-06-20T05:25:56.294+0800 writing admin.system.version metadata to /tmp/mongodball/admin/system.version.metadata.json

2017-06-20T05:25:56.295+0800 done dumping admin.system.version (1 document)

2017-06-20T05:25:56.295+0800 writing alex.Account to /tmp/mongodball/alex/Account.bson

2017-06-20T05:25:56.297+0800 writing alex.Account metadata to /tmp/mongodball/alex/Account.metadata.json

2017-06-20T05:25:56.298+0800 done dumping alex.Account (1 document)

2017-06-20T05:25:56.298+0800 writing alex.mycol to /tmp/mongodball/alex/mycol.bson

2017-06-20T05:25:56.299+0800 writing alex.mycol metadata to /tmp/mongodball/alex/mycol.metadata.json

2017-06-20T05:25:56.299+0800 done dumping alex.mycol (0 documents)

2017-06-20T05:25:56.299+0800 writing alex.system.indexes to /tmp/mongodball/alex/system.indexes.bson

2017-06-20T05:25:56.300+0800 writing mydb.system.indexes to /tmp/mongodball/mydb/system.indexes.bson

2017-06-20T05:25:56.300+0800 writing mydb.testc to /tmp/mongodball/mydb/testc.bson

2017-06-20T05:25:56.300+0800 writing mydb.testc metadata to /tmp/mongodball/mydb/testc.metadata.json

2017-06-20T05:25:56.301+0800 done dumping mydb.testc (2 documents)

恢复

[root@node01 ~]# mongorestore -d mydb /tmp/mongodbbackup/mydb/

2017-06-20T05:37:23.342+0800 building a list of collections to restore from /tmp/mongodbbackup/mydb/ dir

2017-06-20T05:37:23.343+0800 reading metadata file from /tmp/mongodbbackup/mydb/testc.metadata.json

2017-06-20T05:37:23.344+0800 restoring mydb.testc from file /tmp/mongodbbackup/mydb/testc.bson

2017-06-20T05:37:23.803+0800 restoring indexes for collection mydb.testc from metadata

2017-06-20T05:37:23.803+0800 finished restoring mydb.testc (2 documents)

2017-06-20T05:37:23.803+0800 done