This is a basic guide to help you setting up Helios4 NAS with [OpenMediaVault](https://www.openmediavault.org/) (**OMV**). OMV offers a large collection of features that we don't cover here. We invite you to look online for the existing OMV guides or go on the [OMV forum](https://forum.openmediavault.org/).
> Select RAID level and the devices you want to be used for the RAID array.
> Give it a name and press **Create**.
![OMV RAID 10](/img/omv/create-raid10.png)
> You can see the ongoing re-syncing process and get a finish estimated time.
![OMV RAID Syncing](/img/omv/syncing-raid10.png)
!!! important
While you could carry on with some part of OMV configuration during the RAID re-syncing process, we strongly advice to let this process complete first. You should see the following in the RAID state once re-syncing is complete : **active**.
![OMV RAID Clean](/img/omv/raid10-active.png)
!!! info
Whenever you change some settings in OMV, the following banner will appear. You can immediately apply the configuration by clicking **Apply** or you can carry on with your configuration and apply the changes at a later stage.