mongodb-to-psmdb

Migrate MongoDB deployments to Percona Server for MongoDB via in-place swaps or live migration.

1|1|Updated May 29, 2026

Search Tags:#mongodb #migrate #atlas #migration-guide #psmdb #pcsm #in-place-swap

Ready to run

npx skills add https://github.com/Percona-Lab/skills --skill mongodb-to-psmdb

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: mongodb-to-psmdb
Source: https://github.com/Percona-Lab/skills/tree/main/mongodb-to-psmdb
Command: npx skills add https://github.com/Percona-Lab/skills --skill mongodb-to-psmdb

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Migrating MongoDB deployments from Community Edition or Atlas to Percona Server for MongoDB (PSMDB) with minimal downtime and minimal rework, enabling smoother transitions for production systems.

Core Features & Use Cases

In-place swap guidance for self-hosted MongoDB on the same dbPath to minimize downtime and disruption.
Live migration support from Atlas or Enterprise sources using Percona ClusterSync for MongoDB (PCSM) with controlled cutover.
Post-migration considerations including FCV alignment, user/role recreation, and config adjustments to preserve security and performance.

Quick Start

Perform an in-place swap of MongoDB to PSMDB by stopping mongod, installing PSMDB, and re-applying your configuration on the same dbPath.

Frequently Asked Questions about mongodb-to-psmdb

High-intent search queries and answers about installing and using this skill.

FAQPage Schema

How do I migrate MongoDB to Percona Server for MongoDB?▼

Migrate MongoDB to Percona Server for MongoDB (PSMDB) by performing an in-place binary swap on the same dbPath, or use Percona ClusterSync for MongoDB (PCSM) for live migrations from Atlas with a controlled cutover.

What is the best way to migrate from MongoDB Atlas to PSMDB with minimal downtime?▼

Live migration from MongoDB Atlas to PSMDB uses Percona ClusterSync for MongoDB (PCSM) to synchronize data and execute a controlled cutover, ensuring minimal downtime for production systems.

Can I do an in-place swap from MongoDB Community Edition to Percona Server for MongoDB?▼

Yes, an in-place swap lets you replace MongoDB Community Edition binaries with PSMDB on the same dbPath by stopping the mongod process, installing PSMDB, and re-applying your existing configuration.

What do I need to check after migrating MongoDB to Percona Server for MongoDB?▼

Post-migration checks for PSMDB require verifying major-version alignment, handling Feature Compatibility Version (FCV) settings, recreating users and roles, and adjusting configuration to preserve security and performance.

Does migrating MongoDB to PSMDB require recreating users and roles?▼

Yes, migrating MongoDB to PSMDB requires user and role recreation as part of post-swap configuration adjustments to maintain existing security boundaries and access controls across the deployment.