Add single GitLab to HA GitLab migration docs
Related to gitlab-ce!3579 and Zendesk https://gitlab.zendesk.com/agent/tickets/19489
Customer wants to have exact steps with details on how to move from a single instance of GitLab to an active/active HA configuration. This basically amounts to:
- Dump the database and import to the new external DB
- Move data from local storage to necessary NFS mounts
- Update GitLab configuration per HA docs (these portions already complete in gitlab-ce!3579)
- Profit
Edited by 🤖 GitLab Bot 🤖