WS2016

Cache stats matter! Learn how to monitor your S2D write cache allocation using Windows Server 2019’s Cluster Performance History or Windows Server 2016’s performance counters, plus a handy PowerShell function.

The best information on S2D often comes from blog posts rather than documentation. Here’s my curated list of essential reads covering storage pools, SSD endurance, volume resiliency, and why you shouldn’t use consumer SSDs.

Discovered a bug where physical disks stay in maintenance mode after applying September CU to S2D clusters. This breaks CAU patching and causes capacity issues. Here’s how to recover and avoid the problem.

Discovered a bug where S2D incorrectly sets the Performance Tier mediatype to SSD even when SSDs are assigned to cache. Learn how to check your configuration and fix it with a simple PowerShell command.

Discover the magical Get-StorageQoSFlow command in Windows Server 2016 that reveals IOPS, latency, and bandwidth stats for all VHD(x)s on your cluster, perfect for finding those VMs burning through your storage.

A step-by-step guide to expanding S2D volumes using PowerShell. Learn how to resize individual storage tiers (Mirror or Parity) and expand partitions to match your workload needs.