MongoDB Version Upgrades

Automate the process of upgrading your MongoDB® database replica set cluster to a newer version with zero downtime. Our upgrades are performed in a rolling fashion so there's no interruption to your application.

Upgrade Requirements

  • Must be using version 3.2.0 or later. Please contact support if you need to upgrade an older version.
  • Must be for a version upgrade - cannot automate downgrading a version.
  • Must be upgrading to the same storage engine - contact support if you need to upgrade from MMAP to WiredTiger storage engine.
  • Your cluster must be in Running state.
  • Your cluster must be a replica set if you wish to upgrade without downtime.


Standalone clusters will experience downtime

MongoDB® database version upgrades on standalone servers causes downtime, and your server will be down for the duration of the operation.

Upgrade Checklist

  • Confirm that you are using a driver that is compatible with the new version.
  • Test the new version in dev/test/staging environment.
  • Check the release notes for changes affecting compatibility.
  • Confirm that you are ready to fully upgrade to this new version. Once your cluster is upgraded, we will not support a downgrade to older version.

Upgrade Steps

  • Login to the ScaleGrid console.
  • Go to your MongoDB® clusters page, and select the cluster you wish to upgrade.
  • On the Overview tab, click “Other” and select “Upgrade Version” from the dropdown list.
  • In the Upgrade Version wizard, select your version from “New version” dropdown then click Next.
  • Review and confirm the upgrades prerequisites, then click Next.
  • Select if you'd like to backup your cluster before your upgrade.
  • Select whether to set your FeatureCompatibilityVersion to the new version after upgrade, and click Next.
  • Review all of your selections on the summary page, then click Upgrade.


Your upgrade will now begin!

That's it! If you have any questions, reach out to us at [email protected].