Storage Quality of Service Guide Released for Windows Server Technical Preview

  As part of the Windows Server Technical Preview released a few weeks ago, we announced the evolution of the Storage Quality of Service (Storage QoS) feature. Now, in addition to that TechNet page with an overview, we released the Storage QoS Step-by-Step Guide.   An Overview of Storage QoS   Storage Quality of Service…

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SmbStorageTier.ps1: A simple way to pin files to tiers in Scale-Out File Servers

  Storage Spaces Tiering   Storage Spaces has an interesting new feature introduced in Windows Server 2012 R2: you can create a single space using different types of disk (typically HDDs and SSDs) and it will automatically move hot data to the fast tier and cold data to the slow tier. You can read more…

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Adding Storage Performance to the Test-StorageHealth.ps1 script

  A few weeks ago, I published a script to the TechNet Script Center that gathers health and capacity information for a Windows Server 2012 R2 storage cluster. This script checks a number of components, including clustering, storage spaces, SMB file shares and core storage. You can get more details at http://blogs.technet.com/b/josebda/archive/2014/07/27/powershell-script-for-storage-cluster-health-test-published-to-the-technet-script-center.aspx From the beginning,…

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Using file copy to measure storage performance – Why it’s not a good idea and what you should do instead

1. Introduction Every once in a while I hear from someone that they believe they have a performance problem with their Scale-Out File Server. When I dig a little further, it’s very common to find that file copies are being used as the mechanism for measuring storage performance for all kinds of scenarios. This blog…

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Understanding the files collected by the Test-StorageHealth.ps1 PowerShell script

I recently published a PowerShell script to check the health and capacity of a Storage Cluster based on Windows Server 2012 R2 Scale-Out File Servers. You can find details about this script (including the download link) in this blog post: PowerShell script for Storage Cluster Health Test published to the TechNet Script Center. This script,…

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Sample C# code for using the latest WMI classes to manage Windows Storage

  This blog post shows a bit of C# code to use the Windows Storage Management API (SM-API) classes that were introduced in Windows Server 2012 and Windows 8. You can find a list of these classes at class described at http://msdn.microsoft.com/en-us/library/hh830612.aspx, including MSFT_PhysicalDisk, MSFT_StoragePool or MSFT_VirtualDisk. I found a number of examples with the…

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PowerShell script for Storage Cluster Health Test published to the TechNet Script Center

I just published a PowerShell script to check the health and capacity of a Storage Cluster based on Windows Server 2012 R2 Scale-Out File Servers. It assumes a specific configuration for Private Clouds using the solution described at http://technet.microsoft.com/en-us/library/dn554251.aspx. It performs specific health checks for Failover Clustering (Cluster, Resources, Networks, Nodes) Storage Spaces (Physical Disks,…

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How the Test-StorageHealth.ps1 script checks for Storage Cluster health

I recently published the Test-StorageHealth.ps1 script to the TechNet Script Center, which checks for the health and capacity of a Storage Cluster based on Windows Server 2012 R2 Scale-Out File Servers. This blog post explains the portion of the script that checks for Storage Cluster health, which is labeled “Phase 1”. To assess health, the…

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Demo details for my TechEd 2014 presentation on File Server Networking

During my TechEd 2014 presentation on File Server Networking for a Private Cloud Storage Infrastructure in Windows Server 2012 R2, I did a demo showing a Scale-Out File Server Cluster. The demo consisted of showing the networking details of this cluster, looking both from the cluster perspective and the client side. I was asked after…

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