VMware Virtual SAN:Overview

VMware VSAN (VMware Virtual SAN) is a storage feature integrated in the vSphere kernel that pools local disk  from multiple ESXi hosts.

The distributed architecture of the software-defined storage feature in VMware VSAN enables the parameters of the storage policy to be enforced despite changes in virtual machine (VM) workload demands, or hardware or network failures. Users define storage requirements, such as performance and availability, for virtual machines on a VMware VSAN cluster. Administration of a cluster and implementation of storage policies is done in the vSphere  Web Client.
VMware Virtual SAN (VSAN) is part of the burgeoning category of software defined everything that’s assaulting all points from corporate datacenters to remote and branch offices. VMware describes VSAN as “hypervisor-converged storage” that is optimized for vSphere virtual infrastructure. However you refer to this space, the mission is more or less the same; to greatly simplify enterprise IT, reduce total cost of ownership and provide flexible scalability while delivering predictable performance. The path vendors take to achieve these quad-objectives is widely varied however. For their part VMware has a singular focus, to deliver against these goals in the most comprehensive, cost effective way for organizations using vSphere.

use cases on Virtual SAN storage:

Business-critical applications/Tier-1.
Virtual desktops (VDI)
Business continuity / disaster recovery / secondary datacenter.
Remote office or back office (ROBO) workloads.
Management clusters.
Dev/test workloads.

and will talk more about vSAN in the next posts….

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