What’s New in Apache CloudStack 4.20.2.0
Apache CloudStack 4.20.2.0 is a 4.20 LTS release with 150+ fixes and improvements. It includes performance gains for the VNC console, enhanced VMware to KVM migration, networking improvements, updates to CKS and UI components, and a new SystemVM template based on Debian 12.12.0. What’s New in Apache CloudStack 4.20.2.0 The new Apache CloudStack 4.20.2.0 […]
Fine-Grained Storage Connectivity with Storage Access Groups in Apache CloudStack | CloudStack Feature First Look
Storage Access Groups (SAGs), introduced in Apache CloudStack 4.21, allow operators to restrict which Hosts connect to a specific Primary Storage. This feature replaces the default behaviour of connecting the Primary Storage to all Hosts within its scope, optimising resource utilisation, reducing load, and enforcing isolation policies in large-scale environments. The Challenge of Broad […]
Async Agent Command Reconciliation | CloudStack Feature First Look
Apache CloudStack 4.21 introduces Async Agent Command Reconciliation, a mechanism designed to improve the reliability and accuracy of long-running operations (such as Instance and Volume migrations) when interruptions occur involving the Management Server, Agent, or the network. The Feature tracks and reconciles key Commands—CopyCommand, MigrateCommand, and MigrateVolumeCommand—by utilizing Agent heartbeats and a new reconciliation workflow. […]
Flexible CKS Clusters in CloudStack 4.21 | CloudStack Feature First Look
Apache CloudStack has significantly enhanced its Kubernetes integration through the CloudStack Kubernetes Service (CKS), particularly with the release of CloudStack 4.21. These improvements focus on increasing the flexibility, scalability, and manageability of Kubernetes clusters within the CloudStack environment. Key developments include enhanced visibility for Cluster API for CloudStack (CAPC) clusters, granular control over node types […]
ShapeBlue Takes the Stage: Contributing to the CloudStack Collaboration Conference 2025
The stage is set: this year’s CloudStack Collaboration Conference returns to Milan, Italy, from November 19–21. ShapeBlue is proud to once again play an active role — supporting the event as a Diamond Sponsor and contributing to the agenda with deep technical insight. This year’s event is expected to be the largest #CloudStackCollab to date. […]
A Guide on Choosing GPUs for Your Cloud
Graphics Processing Units (GPUs) are no longer just for gaming or graphics rendering. In today’s cloud environments, GPUs power artificial intelligence (AI), machine learning (ML), high-performance computing (HPC), and even virtual desktops. For cloud service providers (CSPs), system integrators, and enterprises, choosing the right GPUs can directly influence performance, scalability, and cost-efficiency. This guide will […]
Apache CloudStack 4.21 FAQ: Expert Answers from ShapeBlue
What you’ll find here Practical answers about the new Extensions (XaaS) Framework, CKS/Kubernetes & CSI, GPU, Netris SDN, and more. CloudStack XaaS Extension Framework Q: What is the CloudStack XaaS Extension Framework and why was it introduced? A: The CloudStack XaaS Extension Framework allows operators and developers to integrate CloudStack with external systems such as […]
Apache CloudStack 4.21: GPU Power Meets Seamless Orchestration
Apache CloudStack 4.21.0 is the latest community release and is the result of approximately eight months of active development and collaboration. With contributions from a number of community members, this version delivers 15 new features, around 40 improvements and more than 150 bug fixes since 4.20. The release introduces meaningful enhancements continuing the project’s focus on […]
CloudStack 4.21 First Look Webinar Highlights
On August 18th, ShapeBlue hosted an exclusive live webinar offering viewers a First Look at the upcoming Apache CloudStack 4.21 release. During the session, our panelists Ivet Petrova and Marco Sinhoreli walked the audience through the most significant new features, sharing live demos and explaining how these enhancements benefit operators and service providers alike. The […]
Auto‑Seed SystemVM Template for Multi‑Arch Zones
Apache CloudStack 4.20.1 introduces automatic SystemVM template seeding for ARM64 Hosts. When the first ARM64 host is added to a zone, CloudStack downloads and registers the aarch64 template automatically. Combined with the new system.vm.preferred.architecture setting and architecture-aware filters in the UI/API, this feature streamlines mixed-architecture deployments and removes the need for manual template management. Automatic […]
