Recent Posts

New Design and Operation Considerations for vSAN 2-Node Topologies

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A 2-node vSAN topology helps our customers address use cases that require remote or edge compute and storage due to constraints in connectivity, performance, or cost. It is a powerful topology, and one of the reasons why we see so many 2-node deployments across all types of scenarios, including retail, healthcare, and tactical. An interesting Read more...

Announcing General Availability of vSAN 7 Update 1

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The announcement of vSAN 7 Update 1 (U1) last month marked one of the most significant releases in the history of VMware’s industry-leading hyperconverged solution. The list of enhancements is impressive, but more importantly, they all contribute to one very specific goal: Enabling our customers to deliver a more efficient and flexible architecture that is Read more...

Performance Improvements in vSAN 7 U1

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With the announcement of vSAN 7 U1, VMware introduces several enhancements that improve the performance of vSAN and VMware Cloud Foundation (VCF) environments powered by vSAN. How much of an improvement? This will vary depending on the configuration and workloads, but VMware estimates customers may see up to 30% improvement in performance when comparing vSAN Read more...

VM Consolidated Performance View in vSAN 7 U1

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Monitoring and troubleshooting virtual machine (VM) performance inevitably leads to a desire to compare the performance characteristics between two or more VMs. This typically means that the administrator must navigate back and forth between multiple locations in the User Interface (UI) of vCenter Server. While this practice is effective, it is not as efficient as Read more...

Space Efficiency Using the New “Compression only” Option in vSAN 7 U1

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Space efficiency techniques used with storage systems aim to achieve one goal: lower storage costs through reduced capacity consumption. VMware vSAN offers several space efficiency options to meet a variety of needs of our customers, but with vSAN 7 U1, we improve this flexibility by introducing another option for space efficiency: "Compression only." Let’s look Read more...

vSAN Design Considerations – Deduplication and Compression

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The post “Write Buffer Sizing in vSAN when Using the Very Latest Hardware” described many of the basics around vSAN’s implementation of a two-tier storage system, and how hardware can change the performance of the system. How do software-related settings such as deduplication and compression impact performance? Let’s step through what it is, how it Read more...

vSAN VCG Notification Service – Protecting vSAN Hardware Investments

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The VMware Compatibility Guide (VCG) plays a critical role in helping customers understand compatible hardware for VMware’s solutions. Sometimes referred to as a hardware compatibility list (HCL), the VCG is the source of truth for our partners and customers, helping them sort through the myriad of hardware offerings against VMware’s vast software release catalog. The Read more...

Continuous Improvement in Simplicity and Resilience with vSAN

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When thinking about operations and complexity, look no further than the cockpit of a commercial jetliner. Modern commercial aircraft strive to simplify the operational experience while guarding against a countless number of environmental conditions and errors. When done well, the payoff is simpler experience that accommodates the underlying complexity of the operations. The outcome is Read more...