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ZSvirt is now officially open source under GPL 3.0. Full source code on GitHub, ISO images and docs on the community site — enterprise-grade virtualization without vendor lock-in.
ZSvirt TeamA hands-on tutorial for administrators new to ZSvirt: install from the ISO, deploy the management node, initialize the datacenter, add hosts/storage/images/networks, and create your first VM.
ZSvirt TeamDayou Futures smoothly replaced VMware with ZStack ZSphere, the enterprise edition of ZSvirt, carrying core trading and settlement workloads with a VMware-like experience and high-performance virtualization — eliminating vendor lock-in and significantly reducing IT budget.
ZSvirt TeamExplore key insights from Gartner's 2025 Market Guide for Server Virtualization Platforms, including VMware alternatives, migration strategies, and the evolving virtualization landscape.
ZSvirt TeamNanjing Metro replaced VMware with ZStack ZSphere, the enterprise edition of ZSvirt, carrying Thales train scheduling, signal control, and other core systems via resource pooling and high availability — with 30% higher resource utilization and 99.99% availability.
ZSvirt TeamAn Australian mobile carrier leveraged ZStack ZSphere, the enterprise edition of ZSvirt, to achieve converged virtualization and cloud management with seamless hybrid-cloud integration, smoothly migrating core workloads.
ZSvirt TeamExplore the four core technologies behind virtualization hot migration: pre-copy memory migration, post-copy memory migration, shared storage migration, and network-assisted migration.
ZSvirt TeamDiscover five essential considerations for a successful VMware migration, including comprehensive planning, resource optimization, data protection, streamlined migration processes, and post-migration performance optimization.
ZSvirt TeamCompare cold migration vs live migration for VMware VM migration. Understand the differences, advantages, and recommended scenarios for each approach to choose the right migration strategy.
ZSvirt TeamLearn how to smoothly migrate from VMware to ZSvirt with our guide on server virtualization compatibility, hardware and software ecosystem adaptation, and proven migration strategies.
ZSvirt TeamLearn how to optimize performance and schedule resources effectively during VMware-to-ZStack virtual machine migration, including pre-migration preparation, data transfer optimization, and post-migration tuning.
ZSvirt TeamThis article introduces ZSvirt's integration and migration services for VMware users, featuring a visualized UI interface for batch V2V migration and agentless migration capabilities, enabling enterprises to achieve a smooth and non-intrusive transition to a cost-effective VMware alternative.
ZSvirt TeamExplore how enterprises can efficiently share GPU resources through technologies such as vGPU, MPS, MIG, and CUDA Hook. Learn the challenges, trade-offs, and best practices for improving GPU utilization in modern AI infrastructure.
ZSvirt TeamA leading cross-border fashion e-commerce group replaced VMware with a lightweight, distributed architecture across dozens of factory parks, reusing existing hardware and unifying management over VPN leased lines.
ZSvirt TeamThis article explores the design, implementation, and benefits of the shortcut key system introduced in the ZSvirt virtualization platform. It addresses common user challenges such as long operation paths and low efficiency, detailing how the system assigns shortcuts based on high-frequency scenarios, core functions, and mainstream conventions. The piece covers the technical architecture, including event listeners and command registration, and provides an overview of supported shortcuts for resource lists, task windows, and global search.
ZSvirt TeamZStack offers an architecture where 99% of tasks are executed asynchronously, enabling a single management node to handle hundreds of thousands of physical servers, millions of virtual machines, and tens of thousands of concurrent tasks. This article explores the motivation, design, and implementation of ZStack's asynchronous architecture.
Frank ZhangTo tackle challenges such as significant operations overhead, duplication of effort, testability that microservices usually face, ZStack encompasses all services in a single process called management node, building an in-process microservices architecture.
Frank ZhangZStack offers a lock-free architecture built on queues, allowing tasks to control their parallelism level easily from 1 (synchronized) to N (parallel). This article explains how ZStack avoids distributed locks using consistent hashing and memory-based work queues.
Frank ZhangZStack, with a versatile plugin system, allows features to be implemented as plugins (both in-process or out-of-process) which can not only extend ZStack's functionality, but also hook into business logic to change default behaviours.
Frank ZhangEvery ZStack service is stateless. Making services highly available and scaled out can be as easy as starting redundant service instances then load balancing them. This article explains how ZStack builds a stateless distributed system using consistent hashing and a centralized message bus.
Frank ZhangTags in ZStack not only help users aggregate resources but also control behaviors of the software. ZStack has a complete specification defining category, form, and usage of tags for users, plugins, and third-party software.
Frank ZhangWith a workflow engine, every step in ZStack wrapped in individual flow can be rolled back on error. This article explains ZStack's workflow engine that breaks monolithic business logic into fine-grained, rollbackable steps for system integrity.
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