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OverviewDeploymentManagementOperationReferenceGlossary

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    ABDR

    ABDR (Arcfra Backup & Disaster Recovery) is the data protection and disaster recovery module of AECP. It provides enterprise-grade virtual machine backup and recovery, cross-cluster replication, and fault handling capabilities to ensure business continuity and data integrity.

    ABS

    A built-in distributed block storage component of ACOS. It takes over and pools all storage resources from multiple servers, including all SSDs and HDDs, to provide storage services for virtual machines.

    Access network

    The network used for enabling client access when the cluster is used to provide block storage for external clients.

    Active node

    The core worker node of the high-availability cluster. This node handles all service traffic, processes user API requests, and issues commands to managed clusters. It is also responsible for synchronizing data changes to the passive node.

    ACOS

    ACOS (Arcfra Cloud Operating System) is the core software of AECP and can be installed directly on physical servers. It provides virtual machine and block storage services through its integrated virtualization module, AVE, and distributed block storage module, ABS. Additionally, ACOS supports VMware ESXi integration, delivering storage to ESXi hosts via the NFS protocol.

    ACOS (AVE) cluster

    The abbreviation of an ACOS cluster whose virtualization platform is AVE.

    ACOS (VMware ESXi) cluster

    The abbreviation of an ACOS cluster whose virtualization platform is VMware ESXi.

    ACOS cluster

    A logical concept. In a real production environment, it consists of at least three nodes interconnected via networks.

    Active-active cluster

    A cluster deployed in a stretched form, which consists of two availability zones and one witness node communicated through networks. An ACOS active-active cluster is also referred to as an active-active cluster.

    AECP

    AECP (Arcfra Enterprise Cloud Platform) is a solution that helps modern enterprises build full-stack, software-defined infrastructure of any scale, in any location. It provides services such as compute, storage, networking, security, and disaster recovery for enterprise infrastructure.

    AFS

    AFS (Arcfra File Storage) is a distributed file storage product designed to help users efficiently store and manage unstructured data.

    AKE

    AKE (Arcfra Kubernetes Engine) is a Kubernetes module of AECP. It enables enterprises to easily deploy, manage, and operate production-grade Kubernetes clusters across various environments.

    AKE container registry

    A unique container registry created during AKE deployment on Arcfra Operation Center (AOC), which is used to store and manage container images used by the system. When deploying AKE and creating the workload cluster, the system will pull the corresponding system images from that registry.

    AKE system service

    A collective term for components of AKE-related services, currently including the management cluster and the AKE container registry.

    Anonymous user

    The program user account automatically created by NFS, which cannot be used to log in to the system.

    Anonymous user group

    A user group account automatically created by NFS.

    ANS

    ANS (Arcfra Network Service) provides software-defined network and security features for enterprise cloud platforms. Such features include the distributed firewall, load balancing, VPC networking, and container networking, which support both virtualization and containerization applications, thus forming an integrated network and security solution with virtual machines and containers.

    ANS controller worker node

    A node that provides the core computational and processing capabilities for network and security control logic. It runs as a virtual machine on the host.

    ANS controller witness node

    A node typically deployed in a data center separate from the one hosting the worker nodes. It runs as a container on the witness node of an ACOS active-active cluster or an AOC high availability witness node. It ensures the ANS service continuity even if half of the worker nodes fail.

    AOC

    AOC (Arcfra Operation Center) is a centralized management platform providing unified management of ACOS clusters and their resources across multiple data centers.

    AOC agent

    AOC agent (Arcfra Operation Center agent) is a agent Deployed in a virtual machine to improve the efficiency of cross-cluster data transmission.

    AOC high-availability cluster

    A AOC high-availability cluster consists of an active node, a passive node, and a witness node, and adopts an active-passive architecture to provide continuous availability for the management platform.

    AOC management IP

    The IP address used for external access to AOC.

    AOC HA IP

    The IP address is used for internal communication between nodes, including status synchronization, heartbeat monitoring, and health reporting.

    API

    An API (Application Programming Interface) is a set of pre-defined functions. Applications encapsulate their service capabilities into APIs and make them accessible to users.

    Arcfra Backup & Disaster Recovery

    Arcfra Backup & Disaster Recovery (ABDR) is the data protection and disaster recovery module of AECP. It provides enterprise-grade virtual machine backup and recovery, cross-cluster replication, and fault handling capabilities to ensure business continuity and data integrity.

    Arcfra Cloud Operating System

    Arcfra Cloud Operating System (ACOS) is the core software of AECP and can be installed directly on physical servers. It provides virtual machine and block storage services through its integrated virtualization module, AVE, and distributed block storage module, ABS. Additionally, ACOS supports VMware ESXi integration, delivering storage to ESXi hosts via the NFS protocol.

    Arcfra Enterprise Cloud Platform

    Arcfra Enterprise Cloud Platform (AECP) is a solution that helps modern enterprises build full-stack, software-defined infrastructure of any scale, in any location. It provides services such as compute, storage, networking, security, and disaster recovery for enterprise infrastructure.

    Arcfra File Storage

    Arcfra File Storage (AFS) is a distributed file storage product designed to help users efficiently store and manage unstructured data.

    Arcfra Kubernetes Engine

    Arcfra Kubernetes Engine (AKE) is a Kubernetes module of AECP. It enables enterprises to easily deploy, manage, and use production-grade Kubernetes clusters across various environments.

    Arcfra Network Service

    Arcfra Network Service (ANS) provides software-defined network and security features for enterprise cloud platforms. Such features include the distributed firewall, load balancing, VPC networking, and container networking, which support both virtualization and containerization applications, thus forming an integrated network and security solution with virtual machines and containers.

    Arcfra Operation Center

    Arcfra Operation Center (AOC) is a centralized management platform providing unified management of ACOS clusters and their resources across multiple data centers.

    Arcfra Operation Center agent

    Arcfra Operation Center agent (AOC agent) is a agent Deployed in a virtual machine to improve the efficiency of cross-cluster data transmission.

    Arcfra VAAI-NAS plugin

    A plugin that enables support for features such as thick provisioning of virtual machine disks and fast cloning when ACOS is deployed in a hyperconverged form with the VMware ESXi platform.

    Asynchronous replication

    A replication method that transfers data from the source virtual machine to the target virtual machine periodically rather than in real time.

    Availability zone

    The two availability zones of an ACOS active-active cluster are located in the same city but at a certain distance from each other, each belonging to an individual data center. An availability zone contains at least three nodes and can independently provide compute and storage services for the active-active cluster.

    AVE

    AVE (Arcfra Virtualization Engine) is Arcfra's native virtualization computing platform built on KVM. It provides core functionalities such as virtual machine lifecycle management, power operations, high availability, and hot and cold migration. It also integrates with Arcfra's self-developed distributed block storage service (ABS) to deliver a comprehensive hyper-converged virtualization solution.