---
tags:
  - RAID
  - Bash
  - Scripting
  - Linux
---

## Purpose
Keep the recorded mdadm grow command and array-progress check together.  Confirm the current array layout and intended RAID conversion before adapting the `/dev/md0` example.

https://www.digitalocean.com/community/tutorials/how-to-create-raid-arrays-with-mdadm-on-ubuntu-16-04

```sh
sudo mdadm --grow /dev/md0 -l 5
cat /proc/mdstat
```

## Related Documentation
- [Related Virtualization and Storage Documentation](<../../../reference/Virtualization and Storage/index.md>) — Find the connected deployments, procedures, and references for this subject.