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One option for VMware vSAN deployment is a turnkey hyper-converged infrastructure appliance, such as VCE VxRail. Such systems are fully integrated and ready to install out of the box. However, organizations that elect to configure vSAN nodes with white box servers and software components need to consider the hardware and software prerequisites for a host server. So, what are the system requirements for vSAN 6.6 system requirements?
From a hardware perspective, VMware vSAN supports most modern server compute and memory features. Network functionality requires a server with a minimum 1 Gigabit Ethernet network interface card, though a 10 GbE NIC is preferable. At the storage level, the server requires either a Serial Advanced Technology Attachment, a Serial Attached SCSI host bus adapter or a RAID controller with a minimum of one flash disk for caching -- or storage when the server contributes storage capacity to the vSAN. When it configures servers into a cluster, VMware vSAN 6.6 works with at least two hosts but can support a cluster size of up to 64 host servers.
In terms of vSAN software requirements, the vSAN 6.6 host can use any edition of VMware vSphere 6.5 EP02, any edition of VMware vSphere with Operations Management 6.1, any edition of VMware vCloud Suite 6.0 -- updated with 6.5 -- and VMware vCenter Server 6.5. You can identify suitable servers with VMware's compatibility guide to find vSAN Ready Nodes.
Software-defined storage platforms, like VMware vSAN 6.6 and 6.6.1, allow hypervisors to complete the virtualization of all compute resources and help organizations handle the provisioning and management of resources through a single unified workflow. The technology overcomes a long-standing hurdle in virtualization and brings renewed interest to hyper-converged infrastructure as scalable, modular and even generic data center architecture.
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