mongodb 数据库备份操作

mongodb 数据库备份

mongodump --host mongodb.example.net --port 27017

备份路径选择
mongodump --out /data/backup/

选择要备份的数据库和集合
mongodump --collection myCollection --db test

创建非本地数据库备份

mongodump --host mongodb1.example.net --port 3017 --username user --password "pass" --out /opt/backup/mongodump-2013-10-24

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数据库恢复

mongorestore --port <port number> <path to the backup>

mongorestore dump-2013-10-25/

mongorestore --oplogReplay

mongorestore --host mongodb1.example.net --port 3017 --username user --password 'pass' /opt/backup/mongodump-2013-10-24

冷备份

service mongod stop

指定数据库文件的位置
cd /backup

mongodump --dbpath /var/lib/mongo/

service mongod start

热备份

# cd /backup

# mongodump --db mongodevdb --username mongodevdb --password YourSecretPwd

# ls -l dump/
drwxr-xr-x. 2 root root 4096 Sep 7 10:08 mongodevdb

Backup a specific Collection

# cd /backup

# mongodump --collection employee --db mongodevdb --username mongodevdb --password YourSecretPwd

# mongodump --collection employee --db mongodevdb --username mongodevdb --password YourSecretPwd --out /dbbackup

[local-host]# mongodump --host 192.168.1.2 --port 37017 --db mongodevdb --username mongodevdb --password YourSecretPwd

service mongod stop

cd /backup

mongorestore --dbpath /var/lib/mongo dump

cd /backup

mongorestore --dbpath /var/lib/mongo --db mongodevdb dump/mongodevdb

Drop the old Database before Restoring

# cd /backup

# mongorestore --dbpath /var/lib/mongo --db mongodevdb dump/mongodevdb

# mongorestore --dbpath /var/lib/mongo --db mongodevdb --drop dump/mongodevdb

mongorestore --host 192.168.1.2 --port 3017 --db mongodevdb --username mongodevdb --password YourSecretPwd --drop /backup/dump