The new HCI industry record: 13.7 million IOPS with Windows Server 2019 and Intel® Optane™ DC persistent memory

Written by Cosmos Darwin, Senior PM on the Core OS team at Microsoft. Follow him on Twitter @cosmosdarwin.     Hyper-converged infrastructure is an important shift in datacenter technology. By moving away from proprietary storage arrays to an architecture built on industry-standard interconnects, x86 servers, and local drives, organizations can benefit from the latest cloud… Read more

Hyper-converged infrastructure in Windows Server 2019 – the countdown clock starts now!

This post was written by Cosmos Darwin, Sr PM on the Core OS team at Microsoft. Follow him @cosmosdarwin on Twitter. Edit: This post was modified on Nov 26th 2018 to reflect the Update on Windows Server 2019 availability. Today is an exciting day: Windows Server 2019 is now generally available! Windows Server 2019 is… Read more

Here’s what you missed – Five big announcements for Storage Spaces Direct from the Windows Server Summit

This post was authored by Cosmos Darwin, PM on the Windows Server team at Microsoft. Follow him @cosmosdarwin on Twitter. Yesterday we held the first Windows Server Summit, an online event all about modernizing your infrastructure and applications with Windows Server. If you missed the live event, the recordings are available for on-demand viewing. Here are the… Read more

Manage Storage Spaces Direct in Windows Server 2016 with Windows Admin Center (Preview)

Hi! I’m Cosmos. Follow me @cosmosdarwin on Twitter. At Microsoft Ignite 2017, we teased the next-generation in-box management experience for Storage Spaces Direct and Hyper-Converged Infrastructure built on Windows Admin Center, known then as ‘Project Honolulu’. Until now, this experience has required an Insider Preview build of Windows Server 2019. The most consistent feedback we’ve… Read more

Storage Spaces Direct: 10,000 clusters and counting!

It’s been 18 months since we announced general availability of Windows Server 2016, the first release to include Storage Spaces Direct, software-defined storage for the modern hyper-converged datacenter. Today, we’re pleased to share an update on Storage Spaces Direct adoption. We’ve reached an exciting milestone: there are now over 10,000 clusters worldwide running Storage Spaces… Read more

It’s Gone To Plaid: Storage Replica and Chelsio iWARP Performance

Hi folks, Ned here again. A few years ago, I demonstrated using Storage Replica as an extreme data mover, not just as a DR solution; copying blocks is a heck of lot more efficient than copying files. At the time, having even a single NVME drive and RDMA networking was gee-wiz. Well, times have changed,… Read more

Storage Spaces Direct with Samsung Z-SSD™

Hello, Claus here again. Today we are going to take a look at a new device from Samsung, the SZ985, which is marketed as a ultra-low latency NVMe SSD based on Samsung Z-NAND flash memory and a new NVMe controller. It offers ~3GB/s throughput, and random read operations in 20µs with capacities up to 3.2TB… Read more

Storage Spaces Direct with Cavium FastLinQ® 41000

Hello, Claus here again. I am very excited about how the RDMA networking landscape is evolving. We took RDMA mainstream in Windows Server 2012 when we introduced SMB Direct and even more so in Windows Server 2016 where Storage Spaces Direct is leveraging SMB Direct for east-west traffic. More partners than ever offer RDMA enabled… Read more

Understanding SSD endurance: drive writes per day (DWPD), terabytes written (TBW), and the minimum recommended for Storage Spaces Direct

Hi! I’m Cosmos. Follow me on Twitter @cosmosdarwin. Background Storage Spaces Direct in Windows Server 2016 features a built-in, persistent, read and write cache to maximize storage performance. You can read all about it at Understanding the cache in Storage Spaces Direct. In all-flash deployments, NVMe drives typically cache for SATA/SAS SSDs; in hybrid deployments,… Read more

Storage Spaces Direct on Intel® Xeon® Scalable Processors

Hello, Claus here again. As you have probably noticed by now, we have a great ongoing collaboration with Intel. In this blog post we are going to look at Windows Server 2016 Storage Spaces Direct on Intel’s latest and greatest hardware, which includes a new processor family, Intel® Xeon® Scalable Processors, an iWARP RDMA network… Read more