mongodb backup and restore-WorkNote

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[root@meteor ~]# mkdir backup　　
[root@meteor ~]# mongodump -h localhost --port 27027 -d person -o backup/ -u person -p 123
　　
2016-08-04T10:09:36.701+0800writing person.p1 to
　　
2016-08-04T10:09:36.701+0800done dumping person.p1 (1 document)
　　
[root@meteor ~]# ls backup/person/
　　
p1.bson  p1.metadata.json
　　
[root@meteor ~]# mongo localhost:27027/admin -u admin -p
　　
MongoDB shell version: 3.2.8
　　
Enter password:
　　
connecting to: localhost:27027/admin
　　
> use person
　　
switched to db person
　　
> show collections
　　
p1
　　
> db.p1.drop()
　　
true
　　
> show collections
　　
> exit
　　
bye
　　
[root@meteor ~]# mongorestore -h localhost --port 27027 -d person backup/person/ -u person -p 123
　　
2016-08-04T10:11:42.234+0800building a list of collections to restore from backup/person dir
　　
2016-08-04T10:11:42.235+0800reading metadata for person.p1 from backup/person/p1.metadata.json
　　
2016-08-04T10:11:42.256+0800restoring person.p1 from backup/person/p1.bson
　　
2016-08-04T10:11:42.268+0800restoring indexes for collection person.p1 from metadata
　　
2016-08-04T10:11:42.268+0800finished restoring person.p1 (1 document)
　　
2016-08-04T10:11:42.268+0800done
　　
[root@meteor ~]#
　　
[root@meteor ~]# mongo localhost:27027/person -u person -p 123
　　
MongoDB shell version: 3.2.8
　　
connecting to: localhost:27027/person
　　
> show collections
　　
p1
　　
> db.p1.find()
　　
{ "_id" : ObjectId("57a2a28aa6d4803a1c952529"), "name" : "thompson", "gender" : "male", "age" : "24" }
　　
[root@meteor ~]# rm backup/* -rf
　　
[root@meteor ~]# mongoexport -h localhost --port 27027 -u person -p 123 -d person -c p1 -o backup/person.p1.dat
　　
2016-08-04T10:22:06.773+0800connected to: localhost:27027
　　
2016-08-04T10:22:06.773+0800exported 1 record
　　
[root@meteor ~]# mongoimport -h localhost --port 27027 -u person -p 123 -d person -c p2 --upsert backup/person.p1.dat
　　
2016-08-04T10:25:16.414+0800connected to: localhost:27027
　　
2016-08-04T10:25:16.434+0800imported 1 document
　　
[root@meteor ~]# mongo localhost:27027/person -u person -p 123
　　
MongoDB shell version: 3.2.8
　　
connecting to: localhost:27027/person
　　
> show collections
　　
p1
　　
p2
　　
> db.p2.find()
　　
{ "_id" : ObjectId("57a2a28aa6d4803a1c952529"), "name" : "thompson", "gender" : "male", "age" : "24" }
　　
> db.p1.find()
　　
{ "_id" : ObjectId("57a2a28aa6d4803a1c952529"), "name" : "thompson", "gender" : "male", "age" : "24" }
　　
{ "_id" : ObjectId("57a2a9c43f2b617cfdd64c63"), "name" : "eric", "gender" : "female", "age" : 18 }
　　
{ "_id" : ObjectId("57a2bfe38381eac036252b7c"), "name" : "test1", "gender" : "male", "age" : 20 }
　　
> exit
　　
bye
　　
[root@meteor ~]# rm -rf backup/* ; ls backup/
　　
[root@meteor ~]# mongodump -h localhost --port 27027 -d person -o backup/ -u person -p 123    备份时备份整个库中的所有表
　　
2016-08-04T12:36:36.321+0800writing person.p1 to
　　
2016-08-04T12:36:36.321+0800writing person.p2 to
　　
2016-08-04T12:36:36.322+0800done dumping person.p1 (3 documents)
　　
2016-08-04T12:36:36.322+0800done dumping person.p2 (1 document)
　　
[root@meteor ~]# ls backup/
　　
person
　　
[root@meteor ~]# ls backup/person/
　　
p1.bson  p1.metadata.json  p2.bson  p2.metadata.json
　　
[root@meteor ~]# mongo localhost:27027/person -u person -p 123
　　
MongoDB shell version: 3.2.8
　　
connecting to: localhost:27027/person
　　
> db.p1.drop()
　　
true
　　
> db.p2.drop()
　　
true
　　
> show collections
　　
> exit
　　
bye
　　
[root@meteor ~]# mongorestore -h localhost --port 27027 -d person -c p1 backup/person/p1.bson -u person -p 123
　　
        注：可以单独恢复指定的表
　　
2016-08-04T12:38:55.541+0800checking for collection data in backup/person/p1.bson
　　
2016-08-04T12:38:55.541+0800reading metadata for person.p1 from backup/person/p1.metadata.json
　　
2016-08-04T12:38:55.560+0800restoring person.p1 from backup/person/p1.bson
　　
2016-08-04T12:38:55.639+0800restoring indexes for collection person.p1 from metadata
　　
2016-08-04T12:38:55.640+0800finished restoring person.p1 (3 documents)
　　
2016-08-04T12:38:55.641+0800done
　　
[root@meteor ~]# mongo localhost:27027/person -u person -p 123
　　
MongoDB shell version: 3.2.8
　　
connecting to: localhost:27027/person
　　
> show tables
　　
p1
　　
> db.p1.find()
　　
{ "_id" : ObjectId("57a2a9c43f2b617cfdd64c63"), "name" : "eric", "gender" : "female", "age" : 18 }
　　
{ "_id" : ObjectId("57a2bfe38381eac036252b7c"), "name" : "test1", "gender" : "male", "age" : 20 }
　　
{ "_id" : ObjectId("57a2a28aa6d4803a1c952529"), "name" : "thompson", "gender" : "male", "age" : "24" }
　　
> exit
　　
bye
　　
[root@meteor ~]