vSAN & HCI: Understanding Data Placement, Movement & Availability

Presented by

Jeff Hunter, Staff Technical Marketing Architect at VMware

About this talk

This session builds on foundational understanding of high-level vSAN architecture such as disk groups, fault domains, and cache and capacity tiers. We will begin with some examples of how vSAN distributes data in the cluster to preserve data integrity and availability and how rules in a storage policy affect data component placement. Infrastructure lifecycle management commonly requires hardware maintenance, firmware upgrades, and software patches. A hyper-converged infrastructure (HCI) powered by vSAN is no exception. This session will provide technical details on how to verify the health of a vSAN cluster and remediate configuration issues. We will cover the use maintenance mode options to help ensure virtual machines remain online during planned host downtime. The session will conclude with discussion on how vSAN effectively handles the availability of data when a disk or host goes offline temporarily or permanently with little or no warning.

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