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Storage Design and Implementation in vSphere 6: A Technology Deep Dive, Second Edition by Mostafa Khalil

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Chapter 22. vSAN Advanced Features

Chapter 21, “vSAN Core Features,” introduces vSAN basic features and functionalities. This chapter covers advanced vSAN features, including fault domains, stretched clusters, nested fault domains, remote office branch office (ROBO) stretched clusters, vSAN Internet Small Computer Systems Interface (iSCSI) targets (VITs), deduplication, and compression. It provides extensive details about how to accomplish common and advanced tasks, as well as command-line exploration and troubleshooting of vSAN.

Fault Domains

One vSAN design consideration is host placement on racks within one or more data centers. If many cluster nodes are on the same rack, it is recommended to design the rack with redundant power sources to ...

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