![]() ![]() This tool has been updated to cover "reverse sizing" (Working backwards from a bill of materials to deliver usable resources) as well as support vSAN Express Storage Architecture. With the changes in recent editions of vSAN, it is encouraged that all vSAN sizing go through the vSAN Sizing tool. This tool also includes a "Quick sizer" that allows for reverse sizing calculations. This document was formerly the vSAN Design and Sizing Guide. Select vSAN Ready Node partners provide pre-installed vSAN on ready nodes. vSAN Ready Nodes are ideal as hyper-converged building blocks for larger data center environments looking for automation and needing to customize hardware and software configurations. Custom-built using components from the VMware Compatibility Guide for vSAN.Ī vSAN Ready Node is a validated server configuration in a tested, certified hardware form factor for vSAN deployment, jointly recommended by the server OEM and VMware.Certified vSAN ReadyNodes from any of the leading server OEMs This is the only current option for vSAN ESA, using explicitly certified ReadyNodes for ESA.Turn-key deployment using appliances such as Dell EMC VxRail, Lenovo ThinkAgile VX Series, and Hitachi UCP-HC.There are three ways to build a vSAN cluster: This document focuses on helping administrators to correctly design and size a vSAN cluster and answer some of the common questions around the number of hosts, number of disk groups, cache sizing, and number of capacity devices, along with detailed configuration questions to help correctly and successfully deploy vSAN. ![]() Introduced in vSAN 8, and enhanced in vSAN 8 U1, the Express Storage Architecture uses a powerful new all-NVMe storage design. The all-flash configuration uses flash for both the caching and capacity layers. This delivers enterprise performance and a resilient storage platform. The hybrid configuration uses server-based flash devices to provide a cache layer for optimal performance, while magnetic disks provide capacity and persistent data storage. VSAN provides two different configurations: a hybrid configuration that leverages flash-based devices and magnetic disks and an all-flash configuration. With vSAN, many manual storage tasks are automated - delivering a more efficient and cost-effective operational model. Using VM-level storage policies, vSAN automatically and dynamically matches requirements with underlying storage resources. vSAN is the first policy-driven storage product designed for vSphere environments that simplifies and streamlines storage provisioning and management. vSAN activates the rapid provisioning of storage within VMware vCenter™ as part of virtual machine creation and deployment operations. vSAN aggregates locally attached disks of hosts that are members of a vSphere cluster to create a distributed shared storage solution. VMware® vSAN™ is a hyper-converged, software-defined storage (SDS) platform that is fully integrated with VMware vSphere®. Determining if a Workload is Suitable for vSAN.Deduplication and Compression Considerations.Processor Power Management Considerations.External Storage Enclosure Considerations (OSA).Summary of Storage Policy Design Considerations.Provisioning a Policy that Cannot be Implemented.Changing a VM Storage Policy Dynamically.Virtual Machine Namespace & Swap Considerations.Virtual Machine Snapshot Considerations.VM Storage Policy Design Considerations.Summary of Storage Design Considerations.Small Disk Drive Capacity Considerations.SATA, SAS, PCI-E and NVMe flash devices.Scale up Capacity, Ensure Adequate Cache (OSA).Flash Cache Sizing for All-Flash Configurations (OSA).Flash Cache Sizing for Hybrid Configurations (OSA). ![]() Flash Devices in vSAN Original Storage Architecture (OSA).Summary of Network Design Considerations.Multicast Considerations (Legacy Pre 6.6 vSAN).Summary of vSAN Limits Design Considerations.Summary of Design Overview Considerations.Use Supported vSphere Software Versions.Designing for Capacity Maintenance and Availability.Increasing cache and capacity within existing nodes. ![]()
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