In Design Scale-Out File Server Clusters in the Next Release of Windows Server of a TechEd session, Claus Joergensen, Principal Program Manager, mentioned a new feature of Windows Cluster on the next version of Windows Server which is Storage Spaces Shared Nothing. This feature isn't available on the current version of Windows Server Technical Preview. Microsoft will add this feature on the other build version of Windows Server Technical Preview. We can use Storage Spaces Shared Nothing to build Storage Spaces without Shared Storage that means we can use Direct-Attached Storage (DAS) of all servers which are in a cluster to create Storage Spaces. At this moment, Microsoft doesn't release any hardware requirement of this solution. To manage Storage Spaces Shared Nothing, we can use System Center and PowerShell.
Image captured from the PowerPoint of Design Scale-Out File Server Clusters in the Next Release of Windows Server
This solution is similar to VMware Virtual SAN (VSAN) concept. To use VMware VSAN, there are at least 3 nodes in a VMware cluster and then with some hardware requirements. For an example, each server need to install 1 SSD and 1 HDD and must have a minimum of 6GB of RAM. Administrators format these disks as VMFS-L and then create a disk group. There are total 3 SSDs and HDDs on 3 servers. The fourth node can join and use this VSAN without providing additional SSD and HDD. For more information of VMware Virtual SAN hardware requirement, please read vSphere 5.5 Virtual SAN requirements and VMware Virtual SAN Design and Sizing Guide.
Let's wait and see the update of this feature from Microsoft and what's the different between both products.
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