Exploring the Game-Changing Features of VSAN 9.1 You Need to Know

VMware Cloud Foundation 9.1 has arrived with a fresh set of features that promise to enhance cloud infrastructure management and data protection. Whether you are a system administrator, cloud architect, or IT decision-maker, understanding these updates can help you make the most of your VMware environment. This post highlights several key features from the release, focusing on practical benefits and real-world applications.

Native S3 Object Storage

One of the most significant additions in version 9.1 is the introduction of Native S3 Object Storage. Many organizations rely on S3-compatible storage for backup, archiving, and application data. Until now, VMware Cloud Foundation (VCF) users depended on third-party vendors to provide this capability. The new native solution integrates S3 object storage directly into VCF, simplifying management and improving performance.

This feature supports multi-tenancy by allowing different tenants or organizations to create and manage their own S3 Object Storage Services. Each service can host multiple buckets, providing logical isolation and flexibility. Customers can configure this storage through APIs and CLI, but most will likely use VCF Automation for streamlined deployment.

For example, a development team can create dedicated S3 buckets for their applications without impacting other teams. Backup administrators can also use native S3 storage as a target for their data protection workflows, reducing reliance on external systems.

Cyber Recovery Enhancements

Data protection remains a top priority, and VCF 9.1 introduces several enhancements to the Cyber Recovery platform. These include:

• Any to vSAN ESA: Enables recovery data to be stored on vSAN Express Storage Architecture, offering faster and more efficient storage.

• Seeding: Allows initial data to be transferred securely and efficiently, reducing network load during recovery.

• Tag-Based VM Selection: Simplifies the process of selecting virtual machines for recovery based on tags, making it easier to manage large environments.

  
  

These improvements help organizations build stronger defenses against ransomware and other cyber threats by ensuring critical data is recoverable and isolated.

Auto-RAID and Global Deduplication

Storage efficiency is crucial for managing costs and performance. VCF 9.1 introduces Auto-RAID, which automatically configures RAID levels based on workload requirements. This reduces manual tuning and helps maintain optimal storage performance.

Global deduplication and enhanced compression further reduce storage consumption by eliminating duplicate data across the entire storage pool. This means more data can fit into the same physical space, lowering hardware costs and improving backup speeds.

QLC Support and Mixed Mode for Remote Datastores

The update also adds support for QLC (Quad-Level Cell) NAND flash storage. QLC drives offer higher capacity at a lower cost, making them attractive for large-scale storage needs. VCF 9.1 ensures these drives can be integrated without sacrificing reliability.

Additionally, the mixed mode for remote datastores allows environments to combine vSAN Express Storage Architecture (ESA) and Original Storage Architecture (OSA) datastores. This flexibility helps organizations transition between storage types without disruption.

Enhanced Capacity Reporting and Resizing Shared VMDKs

Managing storage capacity is easier with the enhanced reporting features in VCF 9.1. Administrators get clearer insights into storage usage trends, helping with planning and avoiding unexpected shortages.

The ability to resize shared VMDKs (Virtual Machine Disks) adds flexibility for virtualized workloads. This feature supports dynamic adjustments to disk sizes without downtime, which is useful for applications that grow over time or require temporary storage increases.

Practical Impact for IT Teams

These features collectively improve how IT teams manage cloud infrastructure:

• Simplified storage management with native S3 and Auto-RAID reduces operational overhead.

• Stronger data protection through Cyber Recovery enhancements supports business continuity.

• Cost savings from deduplication, compression, and QLC support help optimize budgets.

• Greater flexibility with mixed mode datastores and resizing capabilities adapts to changing workloads.

  
  

Organizations moving to VCF 9.1 can expect smoother operations and better alignment with modern cloud and backup strategies.