VMware Virtual SAN is a software-based storage solution designed by VMware for Hyper-Converged Infrastructures (HCI). VSAN provides an affordable and high-performance infrastructure to meet your Compute, network and shared storage needs from a single virtualized x86 server.
Virtual San
Virtual SAN provides business-class storage services along with predictable scalability and all-flash performance for virtual production environments. Virtual SAN, like vSphere, offers users the necessary control and flexibility to choose from many hardware options that they can easily manage within IT workload units, and under various conditions. Virtual SAN can be installed as all-flash storage or hybrid storage.
Key Features
Integrated with core: Built on vSphere core, Virtual SAN is a tool that aims for the highest performance levels through optimized I/O path with minimum effect on CPU and other memory resources.
All-Flash-based or hybrid architecture: Virtual SAN can be used in all-flash-based architecture for high performance stability or in hybrid configurations for a balance between performance and cost.
NEW: Ready for commercial use: Virtual SAN version 6.6 adds many new capabilities to strong VSAN architecture, including Unicast support, Cloud Analytics, advanced Health Monitoring and enhanced Stretched Clusters. Compared to the previous version, VSAN 6.6 provides 50% performance gain in all-flash architectures.
Management on a single panel with vSphere: Virtual SAN eliminates the need for working on special storage interfaces or for their operational workload. You can now create VM much more easily and quickly with a shared datastore. Mapped LUN management of storage, and the inherent complexity of this process, is now a thing of the past!
VM-oriented, policy-based management: Virtual SAN automatically balances storage resources based on the individual storage policies applied to each VM, ensuring that each virtual machine receives a determined amount of storage resources and services.
NEW: Virtual SAN Stretched Cluster Architecture: Creating a flexible storage cluster between two geographically remote sites, it writes data simultaneously across both sites to provide enterprise-level availability, and tolerate site failures with zero data loss and downtime.
NEW: Advanced level management: vRealize Operations Management Pack for Virtual SAN provides comprehensive capabilities to help Virtual SAN management, including global visibility over multiple storage clusters, proactive notifications to control system health, and performance and capacity monitoring.
Cache support for read/write workloads on the server side: Virtual SAN accelerates disk read/write I/O traffic with internal flash devices on the server side to minimize storage lags.
Internal failure tolerance: Virtual SAN prevents data loss in the event of disk, server, network or microchip chassis failures thanks to distributed RAID and write mirroring, repairing itself for optimum working conditions after a server or disk failure.
VMware is located on the Virtual SAN I/O bus within the ESXi Hypervisor core. Therefore, unlike other virtual storage devices that run independently on virtual machine layer, Virtual SAN provides maximum performance without using other memory resources excessively, and without compromising the CPU. Virtual SAN reaches transfer speeds up to 7M IOPS on all-flash storage architectures and 2.5M IOPS on hybrid storage architectures.
Virtual SAN is a distributed architecture allowing between 2 and 64 servers per storage cluster for flexible and uninterrupted environments. With Vitrual SAN, it is possible to scale out both capacity and performance by adding a new server to the cluster, or to scale up capacity and performance independently by adding new drivers to the existing servers. This “Grow As You Go” model paves the way for linear and granular scaling with investments made over time. You can install Virtual SAN with a few clicks without any additional software. It is managed on the vSphere Web Client and runs in integration with other members of the VMware product family, including vMotion®, HA, Distributed Resource Scheduler™ (DRS) and Fault Tolerance (FT), VMware Site Recovery Manager™, VMware vRealize™ Automation™ and vRealize Operations™. VM storage and storage services (capacity, performance, availability) are managed by VM-oriented policies that are hot inserted or hot swappable. Virtual SAN can dynamically adapt itself to changing workload conditions and load-balancing of storage resources, ensuring that each VM sticks to the storage policies defined for itself. This policy-based approach automates manual storage tasks, simplifying storage management for virtual machines.
You can install Virtual SAN with a few clicks without needing additional software. It is managed on the vSphere Web Client and runs in integration with other members of the VMware product family, including vMotion®, HA, Distributed Resource Scheduler™ (DRS) and Fault Tolerance (FT), VMware Site Recovery Manager™, VMware vRealize™ Automation™ and vRealize Operations™.
VM storage and storage services (capacity, performance, availability) are managed by VM-oriented policies that are hot inserted or hot swappable. Virtual SAN can dynamically adapt itself to changing workload conditions and load-balancing of storage resources, ensuring that each VM sticks to the storage policies defined for itself. This policy-based approach automates manual storage tasks, simplifying storage management for virtual machines.
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