VMware vSAN Availability Features Technical Discussion

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Application uptime and resiliency to failure are key factors with any hyper-converged infrastructure (HCI) storage solution. Before choosing a platform, it is important to understand its ability to recover from issues such as disk, host, and even entire site failures. This session will focus specifically on the availability features of VMware vSAN. It is a technical discussion that begins with a quick explanation of how vSAN stores virtual machine objects such as configuration (VMX) files and virtual disk (VMDK) files. Next, we will take a look at storage policy-based management (SPBM) as this is the primary method for configuring and managing the levels of resiliency for virtual machine objects. We will examine the differences between and requirements for RAID-1 mirroring and RAID-5/6 erasure coding rules in vSAN storage policies and how these rules affect the number and placement of objects. Next, we will provide technical details around vSAN fault domains and stretched clusters. The session will finish with some notes on vSAN data protection using VMware vSphere Replication and VMware vSphere Data Protection.