Looking at the Write Cache in Storage Spaces Direct

Looking at the Write Cache in Storage Spaces Direct and how to see it’s usage in Windows Server 2016 vs 2019

Must Read Storage Spaces Direct Blog Posts

Hi all, Quite often the best information on new technology is actually found in blog posts and not actual documentation, and while the documentation for Storage Spaces Direct from Microsoft is great, some of the real gems are in the pre-GA blogs they put up. So below, I hope to keep up a list of Read More…

Bug when applying KB4038782 September CU to Storage Spaces Direct Clusters

UPDATE(2017-09-19): Microsoft have officially recognized the bug and have a KB describing the symptoms and workaround much like the below. See here: https://support.microsoft.com/en-us/help/4043361/disks-in-maintenance-mode-status-after-september-cumulative-update-kb I was patching our dev cluster the other day and came across a new issue when applying the latest September Cumulative Update (KB4038782), and it seems others on the internet have hit Read More…

S2D Storage Tiers misconfiguration bug

I’ve been deploying a few Storage Spaces Direct (S2D) clusters lately, and I noticed a slight mis-configuration that can occur on deployment. Normally when deploying S2D, the disk types in the nodes are detected and the fastest disk (usually NVMe or SSD) is assigned to the cache, while the next fastest is used for the Read More…

Identifying storage intensive VMs in Hyper-V 2016 Clusters

We’ve all had the case where there was a volume running hot on your cluster and you spend ages wrestling with perf counters to try to find that VM that’s causing your storage to burn. Well let me introduce you to a magical new command in Windows Server 2016

This miracle command can give Read More…

Expanding Storage Spaces Direct Volumes

As many of you would have seen, Windows Server 2016 has been officially launched, with evaluation media available and General Availability slated for later this month. One of the great new features in this release, is Storage Spaces Direct, a Software-Defined Storage Solution. There is already plenty of information available on how to get this Read More…