Storage Spaces Direct (S2D)

How to change the Cluster Network without downtime in a 2 nodes direct connect
How to change the Cluster Network (plug in the wrong slot RDMA2 instead of RDMA3) without downtime in a 2 nodes direct connection  Go to network Conne...
Fri, Sep 11, 2020 at 2:56 PM
Understanding the Azure Local / Storage Spaces Direct storage stack: how a write reaches the disk
TL;DR: An application write in a VM on Azure Local traverses ten or more layers — guest filesystem, VHDX, CSV, ReFS, Storage Spaces, the Storage Bus Layer o...
Tue, May 26, 2026 at 10:24 AM
Testing RDMA performance between Azure Local / S2D nodes with MlxNdPerf
TL;DR: MlxNdPerf is the NVIDIA/Mellanox utility that measures RDMA Read/Write/Send bandwidth and latency between two endpoints. Run it server-side on one no...
Tue, May 26, 2026 at 3:53 PM