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In einem Ceph-Cluster ist ein OSD (Object Storage Daemon) der Prozess, der für die Speicherung von Daten auf einer physischen Festplatte verantwortlich ist. Jeder OSD verwaltet ein einzelnes Storage-Gerät und übernimmt Aufgaben wie Datenreplikation, Löschcodi...

This tool helps you estimate usable capacity and fault tolerance for a Ceph cluster based on your hardware configuration — whether you are planning an eEVOS virtualisation platform, an eEKAS storage deployment, or a custom Ceph architecture. Enter: Num...

Overview In eEKAS, WAL (Write-Ahead Log) and DB (RocksDB metadata) are critical components of Ceph OSDs (Object Storage Daemons). They are used to optimize write performance and metadata handling within the storage cluster. By default, these components can r...

Übersicht In eEKAS sind WAL (Write-Ahead Log) und DB (RocksDB Metadaten) zentrale Komponenten der Ceph OSDs (Object Storage Daemons). Sie dienen der Optimierung von Schreibvorgängen sowie der effizienten Verarbeitung von Metadaten im Storage-Cluster. Standar...

euroNAS SDN is the software-defined networking layer within eEVOS. It provides cluster-aware virtual switching and VM network policy management for virtual machines running in an eEVOS environment. Its purpose is to keep virtual networking consistent across c...

A virtual switch provides the network attachment point for virtual machines. In eEVOS, virtual switches are managed through euroNAS SDN and are designed to support clustered operation. Purpose of a virtual switch Virtual machines connect their network interf...

Uplinks connect a virtual switch to the physical network. euroNAS SDN manages uplink assignment so that connectivity remains structured and predictable across the cluster. Single uplink configuration A node can attach one physical uplink to a virtual switch....

VM network profiles provide reusable interface settings for virtual machines connected through euroNAS SDN. They help standardise network configuration across multiple workloads. Purpose of profiles Profiles reduce repetitive manual configuration by allowi...

euroNAS SDN continuously compares the intended network configuration with the active runtime state. When these differ, the condition is identified as drift. What drift means Drift occurs when the current SDN state no longer matches the expected configuration...

euroNAS SDN is integrated directly into migration workflows so that network readiness can be verified before a virtual machine is moved. Purpose Migration requires the target node to provide the correct switch availability, uplink connectivity, and network...

The following operational practices help maintain consistent and reliable SDN behaviour within an eEVOS environment. Recommended workflow Inspect switch or migration health findings. Review reported drift conditions. Apply reconciliation where appropriat...

Virtual switch: A virtual switching object used for VM connectivity. Common switch: A switch intended to exist across relevant cluster nodes. Virtual network: A higher-level administrative object used for organisation and management. Intended state: The e...

This section describes how to create a Virtual Switch in eEVOS using the Select Uplink Ports for Virtual Switch page. A Virtual Switch provides a higher-level and cluster-aware networking model for virtual machines. When required, the same Virtual Switch can ...

Before starting the installation, it is assumed that the underlying infrastructure and access to the server are already in place and working. Access to the server should be available via a remote management interface (e.g. iLO, iDRAC or equivalent), or direct ...

As outlined earlier, the euronas Premium HA operating system is installed from a dedicated ISO image. When the system boots correctly from the ISO, you will be presented with the initial installation screen.  Press Enter to begin the installation ...

Once the system has fully loaded, you will be presented with the option to install the euronas Premium Plus operating system in either English or German.

Before installing the euronas Premium HA operating system, you will be required to accept the license agreement. A full copy of the license terms is available on request via support@euronas.com.To proceed with the installation, press Enter to accept the ag...

In this example, one drive is visible. The dedicated OS drive is vda (256,000 MB / 256 GB), as referenced earlier. This drive will be selected for the installation.  Drive names and sizes may vary depending on your system configuration, so ensure you sele...

This is the final confirmation before the selected drive is formatted.Selecting Yes and pressing Enter will permanently erase all data on the selected drive and proceed with the installation of the euroNAS Premium Plus operating system. This action cannot...

The system may take a short period of time to install euroNAS Premium HA onto the system disk. Once the progress counter reaches 100%,the base installation is complete. Please note that the progress counter may pause at certain stages this is expected be...