Backup, restore and repair database in mongo db linux file
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Backup, restore and repair database in mongo db linux file
- 1. Backup and Restore Database in MongoDB By: Prem Regmi
- 2. What’s the most important thing about making backups? RESTORING THEM
- 3. Backup Options • Mongodump • Copy files • Snapshot disk
- 4. mongodump • Dumps collections to *.bson files • Mirrors your structure • Can be run in live or offline mode-
- 5. mongodump
- 6. mongodump • Type mongodump in your terminal • mongodump --db hero(hero is the database name) • Database save inside dump folder
- 7. mongodump
- 8. mongorestore • mongorestore • Restore all database inside dump
- 9. Repair • Repair all databases on the server: • $ mongod –repair • Repair Database command to repair a single • database: > use project_development > db.runCommand({repairDatabase: 1}) • which operate on a single collection : rebuild indexes >use tuotorial_development > db.employee_qualifications.reIndex() compact the collection > db.runCommand({ compact: "employee_qualifications" }
- 10. Recover MongoDB • Unexpected Shutdown • Error: couldn't connect to server 127.0.0.1 shell/mongo.js:84
- 11. Solution • Remove the mongod.lock file • Run the --repair process