Purely Cloud Guest Series: CBS on Azure Technical Deep Dive and Deployment Best Practices

The Purely Cloud guest podcast series is back for 2025 with a new episode diving deep into Cloud Block Store (CBS) for Azure. In this episode, Vaclav and Ondrej dive deep into this subject, offering a comprehensive architectural overview that distinguishes it from traditional cloud storage solutions. The hosts explore the unique aspects of CBS, including its virtual storage array running Purity OS, Azure Marketplace distribution, and managed application model. They break down the technical specifics, examining controller configurations, disk configurations, and the nuanced differences between Ultra and PremiumV2 disk technologies. The discussion extends to critical deployment considerations, network architecture, and best practices for implementing CBS in Azure environments. Vaclav and Ondrej delve into key technical elements such as resiliency through RAID-HA and network subnet segregation. They also compare generational models (V10 and V20), discuss capacity points, and provide insights into pre-deployment checks and deployment methods, including portal, CLI, and infrastructure-as-code approaches like Terraform and Bicep. The episode offers a technical deep-dive for storage professionals and cloud architects looking to understand the intricacies of Pure Storage's cloud storage solution in the Azure ecosystem.