---
title: "HUB's & SAT's"
canonical: "https://docs.vaultspeed.com/space/VPD/3011903549/HUB's%20%26%20SAT's"
format: markdown
---
When your source model is in a locked state, meaning you see the locked symbol at the end of your release on the Sources - Releases & Builds page, but your full status is still “WORK IN PROGRESS” you can start defining your single/multi-primary HUB’s and do the Satellite splitting.

Both are explained on these pages:

> Macro (children)