How RG 4 Tech Builds a Private Cloud With ZimaBoard 2

RG 4 Tech turns ZimaBoard 2 into more than a compact file server. His build combines quiet x86 hardware, two directly attached drives, a ZimaOS RAID 1 storage pool, and Home Assistant in one browser-managed system. The result is a practical private-cloud foundation for files and smart-home services—but it still needs an independent backup and a deployment plan that respects the differences between Home Assistant Container and Home Assistant OS.

Thank you to RG 4 Tech for documenting the complete setup. His original video covers the hardware, internal cooling, initial ZimaOS configuration, two-drive RAID 1 setup, application installation, and Home Assistant onboarding.

Source note: This article reorganizes the configuration and observations shown in RG 4 Tech's video. It does not assume that every device visible in the video was supplied by ZimaSpace, because no such collaboration claim has been independently established here. Interface details, application versions, available bundles, temperatures, and compatibility may change after publication.

The result: ZimaBoard 2 gives RG 4 Tech one low-profile platform for local storage and smart-home control. RAID 1 keeps the storage pool available if one member drive fails, while Home Assistant adds a local automation layer. Neither feature removes the need to back up important data and configuration outside the server.

Why RG 4 Tech Starts With a Local Home Server

The video's “goodbye cloud” framing is not simply about avoiding a monthly bill. A home server changes who controls the storage hardware, which applications process the data, how services are exposed to the network, and when capacity is expanded. Those choices become especially relevant when personal files and smart-home activity would otherwise be divided among several providers.

Local ownership also transfers responsibility. The owner must monitor drive health, apply updates, manage user access, maintain backups, and recover services after a failure. A private cloud is therefore not a cloud service with the provider removed; it is a small piece of infrastructure that needs an operating plan.

RG 4 Tech approaches ZimaBoard 2 as a flexible base rather than a sealed appliance. The board can begin as a storage server and then host additional applications through ZimaOS, allowing the system to grow around a real household workflow.

What Makes ZimaBoard 2 Fit This Build

The ZimaBoard 2  Mini Home Server  combines an Intel N150 processor, onboard memory and system storage, two 2.5GbE ports, two SATA connections, and an open PCIe expansion interface. That combination matters because a home server needs more than CPU performance: it needs practical paths to storage, networking, and future hardware.

Two SATA ports allow a pair of HDDs or SSDs to connect directly without depending on a USB storage bridge. Dual network interfaces can support a storage link, segmented network, router project, or another topology where one port would become restrictive. PCIe leaves room for a selected expansion such as NVMe storage or another task-specific adapter.

The platform is still compact. One PCIe path cannot hold every expansion simultaneously, two SATA ports do not create a many-bay NAS, and an Intel N150 should not be treated as a high-core virtualization processor. The design works best when the server's main roles are chosen before accessories are added.

Opening the Chassis Reveals the Cooling Strategy

At 08:16, RG 4 Tech opens the ZimaBoard 2 enclosure and shows the internal board layout and the position used for active cooling. This view is useful because the finished exterior alone does not explain how heat moves away from the processor and nearby components.

The aluminum structure contributes to heat dissipation, while a fan can add airflow when the board is placed in a warmer location or asked to sustain heavier work. Storage activity, application indexing, room temperature, cable placement, and nearby surfaces all affect the thermal conditions around a real installation.

Active cooling should be treated as a workload decision rather than decoration. A lightly loaded file server may behave differently from the same board running storage transfers, application updates, media indexing, and smart-home services at once. After assembly, the owner should check temperatures under the intended combined load instead of relying only on idle readings.

Planning the Physical Storage Before Creating the Pool

RG 4 Tech connects two drives before configuring storage in ZimaOS. That order sounds obvious, but it prevents an important class of mistakes: creating shares or installing applications before deciding which disk holds the active data, which disk participates in redundancy, and where backups will live.

A two-drive server offers several possible layouts. The disks can remain independent, be combined for performance or capacity, or mirror one another for redundancy. The correct choice depends on whether the priority is usable space, continuous availability after a drive failure, or separation between different data classes.

Drive matching also deserves attention. A mirror normally exposes capacity based on the smaller member, so pairing substantially different drive sizes can waste space. Both drives should be tested, their health monitored, and their serial numbers recorded before important data is moved onto the new pool.

Creating a Two-Drive RAID 1 Pool in ZimaOS

At 16:50, RG 4 Tech uses the ZimaOS storage interface to select the two disks and configure RAID 1. The layout writes mirrored copies across the member drives, trading half of the combined raw capacity for the ability to keep the pool available when one drive fails.

ZimaOS lists RAID 1 as its redundancy-focused option in the ZimaOS RAID options guide. The graphical workflow lowers the entry barrier for a first NAS because the user can identify the drives and choose the storage mode without constructing the array entirely from a command line.

The interface does not remove the need to verify the selection. Creating a new array can erase existing data on the chosen disks. The drive identities, capacities, and any required copies should be confirmed before the final operation is approved.

Why RAID 1 Is Useful but Still Is Not a Backup

RAID 1 addresses one specific failure: loss of a member drive. If one disk stops working, the other copy can keep the pool accessible while the failed device is replaced and the array is rebuilt. That availability is valuable for a server expected to remain online.

The mirror repeats logical changes on both drives. An accidental deletion, overwritten file, ransomware event, corrupted application state, or mistaken administrator command can therefore affect both copies. Theft, electrical damage, or physical loss of the complete server can remove the entire array at once.

The safer design combines RAID 1 with versioned backups stored elsewhere. The ZimaSpace guide to RAID layouts and NAS backup planning explains why redundancy, backup history, and an off-device copy solve different risks.

ZimaOS Turns the Storage Hardware Into an App Platform

Once the pool is available, the server does not need to remain a basic network share. ZimaOS adds browser-based file management and an application environment, so storage and self-hosted services can be managed from the same interface.

This is where the hardware becomes more useful than a two-bay disk enclosure. Applications can use the local pool for persistent files while the operating environment manages their lifecycle. A household can start with file storage, then add one service at a time instead of deploying a complete home-lab stack on the first day.

Application data should not be allowed to become invisible infrastructure. Before installing a service, identify its configuration directory, database, uploaded files, network ports, and backup method. A running container is easy to recreate; the state inside it may not be.

Installing Home Assistant Adds Local Smart-Home Control

At 19:07, Home Assistant has started and RG 4 Tech reaches its initial onboarding screen. This confirms that the ZimaBoard 2 can host the application alongside the storage environment and gives the project a second clear role: local coordination of compatible smart-home devices and automations.

Home Assistant can keep many decisions inside the home network rather than sending every automation through a vendor cloud. The actual degree of local control still depends on each device and integration. Some products expose a local API, while others continue to require an external account or cloud connection.

The first screen is the beginning of deployment, not the finish. The owner still needs to create an administrator account, define the home location, review discovered devices, secure remote access, test automations, and establish a backup schedule before the system becomes dependable.

Home Assistant Container and Home Assistant OS Are Different Choices

Installing Home Assistant through an existing application platform typically means running Home Assistant Container. The official Home Assistant installation overview explains that the container route uses a user-managed host and container environment. It also does not include the app system available in Home Assistant OS.

Container deployment fits a multipurpose ZimaOS server because Home Assistant can coexist with storage and other applications. Home Assistant OS is the more appliance-like choice when the entire machine is dedicated to Home Assistant and the user wants its integrated management experience.

RG 4 Tech's approach is attractive because it consolidates roles. That convenience should be weighed against failure scope: rebooting or repairing the shared server can temporarily affect both file access and smart-home control.

Storage and Smart-Home Services Need Separate Recovery Plans

A mirrored storage pool and a running Home Assistant instance protect different things. RAID 1 helps the pool survive a member-drive failure. A Home Assistant backup preserves configuration, automations, and supported application state. Neither one automatically produces a safe copy outside the server.

Home Assistant now provides backup creation and restoration across installation types, as described by its Backup integration documentation. Those backups should be copied to a destination that does not depend on the same two-disk array and the same physical machine.

A practical recovery test asks two questions separately: can the household restore its files after losing the NAS, and can it restore Home Assistant after losing the application host? If both answers depend on the same server remaining operational, the system still has one failure domain.

What This Consolidated Server Does Well

Who Should Build the Same Kind of ZimaBoard 2 Server?

This setup suits someone who wants a first private cloud, a two-drive family NAS, a local smart-home controller, or a compact application host without dedicating a separate computer to each role. It is especially appealing when quiet operation and open hardware expansion matter more than a polished sealed-appliance design.

A dedicated Home Assistant device may be the better choice when automations must remain available during NAS maintenance. A larger multi-bay NAS fits users who need more capacity tiers, several independent pools, or broader drive-failure tolerance. A higher-core server is more appropriate for numerous heavy virtual machines or sustained compute workloads.

The decision should start with failure domains, not just the number of apps the hardware can launch. Consolidation saves space, power, and management effort, but it also means one reboot or hardware problem can interrupt several household services at the same time.

RG 4 Tech Builds a Private Cloud Around Clear Household Jobs

RG 4 Tech's project succeeds because every major step has a purpose. Opening the chassis explains the thermal and maintenance path. Connecting two drives creates a storage foundation. RAID 1 improves availability after a disk failure. ZimaOS makes that storage easier to manage, and Home Assistant extends the machine into local automation.

The build is strongest when those benefits are described accurately. RAID 1 is redundancy, not backup. A Home Assistant container is not identical to Home Assistant OS. A single quiet server can consolidate useful jobs, but it also consolidates risk unless backups and recovery plans leave the box.

Watch RG 4 Tech's complete video for the internal hardware inspection, ZimaOS storage configuration, RAID 1 workflow, and Home Assistant installation. For another local smart-home deployment route, see how to run Home Assistant on ZimaBoard, or join the ZimaSpace Discord community to compare home-server builds with other users.