SMB Direct and RDMA performance demo from TechEd (includes summary, PowerShell scripts and links)

IMPORTANT NOTE:SQLIO has been deprecated, as shown at http://blogs.msdn.com/b/sql_server_team/archive/2015/12/11/sqlio-disk-subsystem-benchmark-tool-is-being-retired.aspx DiskSpd is the suitable replacement for SQLIO. You can find details on that at http://blogs.technet.com/b/josebda/archive/2014/10/13/diskspd-powershell-and-storage-performance-measuring-iops-throughput-and-latency-for-both-local-disks-and-smb-file-shares.aspx ---------------- Overview   My last TechEd demo showed some interesting performance data for SMB3 over RDMA (SMB Direct), including the latest small IO improvements in Windows Server 2012 R2. Since I … Continue reading SMB Direct and RDMA performance demo from TechEd (includes summary, PowerShell scripts and links)

Troubleshooting File Server Networking Issues in Windows Server 2012 R2

In this blog post, I’m sharing a few troubleshooting tips related to File Server Networking in Windows Server 2012 R2. For each one, I first describe the issue that is commonly reported, followed by a quick explanation of the root cause of the issue and finally a way to solve it. Let me know if … Continue reading Troubleshooting File Server Networking Issues in Windows Server 2012 R2

Selecting the number of nodes for your Scale-Out File Server Cluster

I recently got a stream of e-mails and questions about the maximum number of cluster nodes you can have in a Scale-Out File Server cluster. For the record, we test and support up to 8 nodes per file server cluster. This is the case for both Windows Server 2012 (which introduced the Scale-Out File Server … Continue reading Selecting the number of nodes for your Scale-Out File Server Cluster

Automatic SMB Scale-Out Rebalancing in Windows Server 2012 R2

Introduction   This blog post focus on the new SMB Scale-Out Rebalancing introduced in Windows Server 2012 R2. If you haven’t seen it yet, it delivers a new way of balancing file clients accessing a Scale-Out File Server. In Windows Server 2012, each client would be randomly directed via DNS Round Robin to a node … Continue reading Automatic SMB Scale-Out Rebalancing in Windows Server 2012 R2

Networking configurations for Hyper-V over SMB in Windows Server 2012 and Windows Server 2012 R2

One of the questions regarding Hyper-V over SMB that I get the most relates to how the network should be configured. Networking is key to several aspects of the scenario, including performance, availability and scalability. The main challenge is to provide a fault-tolerant and high-performance network for the two clusters typically involved: the Hyper-V cluster … Continue reading Networking configurations for Hyper-V over SMB in Windows Server 2012 and Windows Server 2012 R2

Windows Server 2012 R2: Which version of the SMB protocol (SMB 1.0, SMB 2.0, SMB 2.1, SMB 3.0 or SMB 3.02) are you using?

Note: This blog post is a Windows Server 2012 R2 update on a previous version focused on Windows Server 2012.   1. Introduction With the release of Windows 8.1 and Windows Server 2012 R2, I am frequently asked about how older versions of Windows will behave when connecting to or from these new versions. Upgrading … Continue reading Windows Server 2012 R2: Which version of the SMB protocol (SMB 1.0, SMB 2.0, SMB 2.1, SMB 3.0 or SMB 3.02) are you using?

Step-by-step for Storage Spaces Tiering in Windows Server 2012 R2

1. Overview In this document, I am sharing all the steps I used to create a demo or test environment of a storage space with storage tiers on Windows Server 2012 R2 Preview so that you can experiment with some of the new technologies yourself. You need only a single computer with one SSD and … Continue reading Step-by-step for Storage Spaces Tiering in Windows Server 2012 R2

Iron Networks shows a complete private cloud pod at MMS 2013 with Windows Server 2012 (Storage Spaces, SMB3, Hyper-V) and System Center 2012 SP1

I was visiting the expo area at MMS 2013 earlier today and saw that Iron Networks was showing a private cloud pod there, complete with a set of well-matched layers of compute, storage and networking. They were demonstrating several of the latest capabilities in Windows Server 2012 and System Center 2012 SP1, including: Shared SAS … Continue reading Iron Networks shows a complete private cloud pod at MMS 2013 with Windows Server 2012 (Storage Spaces, SMB3, Hyper-V) and System Center 2012 SP1

MMS 2013 Demo: Hyper-V over SMB at high throughput with SMB Direct and SMB Multichannel

Overview   I delivered a demo of Hyper-V over SMB this week at MMS 2013 that’s an evolution of a demo I did back in the Windows Server 2012 launch and also via a TechNet Radio session. Back then I showed a two physical servers running a SQLIO simulation. One played the role of the … Continue reading MMS 2013 Demo: Hyper-V over SMB at high throughput with SMB Direct and SMB Multichannel

SQLIO, PowerShell and storage performance: measuring IOPs, throughput and latency for both local disks and SMB file shares

IMPORTANT NOTE:SQLIO has been deprecated, as shown at http://blogs.msdn.com/b/sql_server_team/archive/2015/12/11/sqlio-disk-subsystem-benchmark-tool-is-being-retired.aspx DiskSpd is the suitable replacement for SQLIO. You can find details on that at http://blogs.technet.com/b/josebda/archive/2014/10/13/diskspd-powershell-and-storage-performance-measuring-iops-throughput-and-latency-for-both-local-disks-and-smb-file-shares.aspx ----------------   1. Introduction   I have been doing storage-related demos and publishing blogs with some storage performance numbers for a while, and I commonly get questions such as “How do … Continue reading SQLIO, PowerShell and storage performance: measuring IOPs, throughput and latency for both local disks and SMB file shares