Home DIY NAS on Raspberry Pi 4 - basic configuration



The basic configuration is really simple. Login in the web interface using an admin account with the default password openmediavault. The manual assumes an English environment, it's a universal variant, but nothing prevents you from using another language in OMV.

Po prvním přihlášení opět změňte výchozí heslo pro uživatele admin v pravém horním rohu pod ikonou ozubeného kolečka -> Change password.

After the first login, change the default password for admin in right upper corner under Setting icon -> Change password.

OMV - PiNAS - Change admin password

In General Settings tab set Auto Logout for at least 60 minutes.

OMV - Autologout

V záložce System -> Date/Time můžete nastavit časové pásmo. V záložce Network > General změňte libovolně hostname - tzn. název domácího NASu v síti.

OMV - Set hostname of DIY NAS

We're done with the basics, reboot NAS and log in with the new password.


Under Discs tab, you will see your SD card as main OS, connect any number of USB drives, and perform Scan. System mounts additional discs such as sda, sdb, sdc, etc. see below. You can make a note of which disc corresponds to which device.

OMV - PiNAS - Discs

Hint: When you go to the Edit settings on the HDD type od discs, you can set Advanced Power Management as shown in the following image. the discs will spin down when not operating. It will reduce the noise from the spining discs (during night) and reduce power consumption.

OMV - Sleep discs settings

Under File Systems tab, you will see which partitions are available. For the Open Media Vault, we need the Linux ext4 format. If your disks are new, choose Create, then select the desired disk and give the new partition any name/label. If the disk already contains a partition, delete that partition and create a new one with the ext4 format. The goal is to create something similar to the image below. Image corespond with 2 discs NAS.

Pi-NAS - Filesystem

Create a new user under Users tab. As an example, we will add a kodi user that will be used to play multimedia from our NAS.

OMV - PiNAS - Users

And, of course, we have to create some shared folder under Shared Folders tab. Typical for home NAS are multimedia, i.e. folders such as Movies, Music, Photos, etc. (Screenshot is from OMV 5.x revision)

Pi-NAS - Sílené složky

Finally, we need to set up how to access these folders from other devices. There are a number of standard protocols available, such as SMB, FTP, NFS, etc. For example, for TV or Kodi's mutimedia center, a simple SMB will be enouhg on our home network. We choose the SMB tab and activate the service. (Screenshot is from OMV 5.x revision)

Pi-NAS - Zapnutí sdílení SMB


Under Shares tab, choose which shared folder you want to share via SMB and what privilegies for specific users will be set. (Screenshot is from OMV 5.x revision)

Pi-NAS - Nastavení sdílené složky a práv

After save, as example, open File Explorer in Windows and type your RPi address, in my case \\\ After entering the user kodi and the correct password, you should see the contents of the folder and you can read and write here. Then, on a smart TV or KODI, add this shared folder as a media source.

OMV- SMB share

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