Mongo-backup

Incremental backup tool for MongoDB

Overview

Mongobackup is an external tool performing full & incremental backup. Backup are stored on the filesystem and compressed using the lz4 algorithm. Full backup are done by performing a file system copy of the dbPath and partial oplog dump is used for incremental backup.

Features

Full & incremental backup
Point in Time restore for incremental & full backup
Backup separation by kind (e.g. daily, monthly, weekly, ...)
Partial dump of the oplog. Only the operations after the last known one are dumped
Secure backup by using [fsyncLock & fsyncUnlock] (https://docs.mongodb.org/manual/reference/method/db.fsyncLock/)
Avoid interacting with the primary node

Usages

Perform an incremental backup

./bin/mongobackup backup [--kind string] [--nocompress] [--nofsynclock] [--nostepdown]

Perform a full backup

./bin/mongobackup backup --full [--kind string] [--nocompress] [--nofsynclock] [--nostepdown]

Restore a specific backup

./bin/mongobackup restore --out string --snapshot string

Perform a point in time restore

./bin/mongobackup restore --out string --pit string

Delete a range of backup

./bin/mongobackup delete --kind string --entries string

Delete a specific backup

./bin/mongobackup delete --snapshot string

List available backups

./bin/mongobackup list [--kind string] [--entries string]

Sample configuration

Scheduling has to be performed using an external tool, e.g. cron Bellow a sample configuration for a daily backup where a full backup is performed once a week every Sunday and where we stored a daily backup for the last 7 days and a monthly backups for the last 13 months.

0 0 * * Sun     mongobackup backup --basedir /backup --full --kind daily   && mongobackup delete --basedir /backup --kind daily --entries '7-'
0 0 * * Mon-Sat mongobackup backup --basedir /backup --kind daily
0 0 1 * *       mongobackup backup --basedir /backup --full --kind monthly && mongobackup delete --basedir /backup --kind monthly --entries '13-'

Releases