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データベースをバックアップ・リストアする方法
Naoki KODAMA edited this page Dec 28, 2013
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devhub_db をバックアップする。以下のコマンドで dump フォルダが生成され、devhub_db のダンプ結果が保存される。 あとはこいつを tar.gz にして保存しておく。
$ mongodump --db devhub_db connected to: 127.0.0.1 Sat Dec 28 17:54:17.113 DATABASE: devhub_db to dump/devhub_db Sat Dec 28 17:54:17.120 devhub_db.system.indexes to dump/devhub_db/system.indexes.bson Sat Dec 28 17:54:17.127 4 objects Sat Dec 28 17:54:17.127 devhub_db.chat_log to dump/devhub_db/chat_log.bson Sat Dec 28 17:54:17.160 1050 objects Sat Dec 28 17:54:17.160 Metadata for devhub_db.chat_log to dump/devhub_db/chat_log.metadata.json Sat Dec 28 17:54:17.161 devhub_db.latest_text to dump/devhub_db/latest_text.bson Sat Dec 28 17:54:17.184 12 objects Sat Dec 28 17:54:17.184 Metadata for devhub_db.latest_text to dump/devhub_db/latest_text.metadata.json Sat Dec 28 17:54:17.185 devhub_db.active_number to dump/devhub_db/active_number.bson Sat Dec 28 17:54:17.197 1 objects Sat Dec 28 17:54:17.198 Metadata for devhub_db.active_number to dump/devhub_db/active_number.metadata.json Sat Dec 28 17:54:17.198 devhub_db.text_log to dump/devhub_db/text_log.bson Sat Dec 28 17:54:17.228 205 objects Sat Dec 28 17:54:17.228 Metadata for devhub_db.text_log to dump/devhub_db/text_log.metadata.json $ ls Procfile README.md app.js dump lib memo node_modules package.json post_memo.js static views $ cd dump/ $ ls devhub_db
リストア対象のデータベースをドロップする(注意：データが全て消えるので慎重に！)
$ mongo
MongoDB shell version: 2.4.3
connecting to: test
> use devhub_db
switched to db devhub_db
> db.dropDatabase()
{ "dropped" : "devhub_db", "ok" : 1 }
>
リストアする
$ mongorestore --db devhub_db dump/devhub_db
connected to: 127.0.0.1
Sat Dec 28 18:00:09.609 dump/devhub_db/active_number.bson
Sat Dec 28 18:00:09.609 going into namespace [devhub_db.active_number]
1 objects found
Sat Dec 28 18:00:09.610 Creating index: { key: { _id: 1 }, ns: "devhub_db.active_number", name: "_id_" }
Sat Dec 28 18:00:09.842 dump/devhub_db/chat_log.bson
Sat Dec 28 18:00:09.842 going into namespace [devhub_db.chat_log]
1050 objects found
Sat Dec 28 18:00:09.854 Creating index: { key: { _id: 1 }, ns: "devhub_db.chat_log", name: "_id_" }
Sat Dec 28 18:00:09.896 dump/devhub_db/latest_text.bson
Sat Dec 28 18:00:09.896 going into namespace [devhub_db.latest_text]
12 objects found
Sat Dec 28 18:00:09.898 Creating index: { key: { _id: 1 }, ns: "devhub_db.latest_text", name: "_id_" }
Sat Dec 28 18:00:09.899 dump/devhub_db/text_log.bson
Sat Dec 28 18:00:09.899 going into namespace [devhub_db.text_log]
205 objects found
Sat Dec 28 18:00:09.904 Creating index: { key: { _id: 1 }, ns: "devhub_db.text_log", name: "_id_" }
成功