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.

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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.

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Your upgrade will now begin!

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