Increasing Availability – The REAP Principles (Redundancy, Entanglement, Awareness and Persistence)

Introduction   Increasing availability is a key concern with computer systems. With all the consolidation and virtualization efforts under way, you need to make sure your services are always up and running, even when some components fail. However, it’s usually hard to understand the details of what it takes to make systems highly available (or … Continue reading Increasing Availability – The REAP Principles (Redundancy, Entanglement, Awareness and Persistence)

Hyper-V over SMB – Sample Configurations

This post describes a few different Hyper-V over SMB sample configurations with increasing levels of availability. Not all configurations are recommended for production deployment, since some do not provide continuous availability. The goal of the post is to show how one can add redundancy, Storage Spaces and Failover Clustering in different ways to provide additional fault … Continue reading Hyper-V over SMB – Sample Configurations

Sample PowerShell Scripts for Storage Spaces, standalone Hyper-V over SMB and SQLIO testing

These are some PowerShell snippets to configure a specific set of systems for Hyper-V over SMB testing.Posting it here mainly for my own reference, but maybe someone else out there is configuring a server with 48 disks split into 6 pools of 8 disks.These systems do not support SES (SCSI Enclosure Services) so I could … Continue reading Sample PowerShell Scripts for Storage Spaces, standalone Hyper-V over SMB and SQLIO testing

Is accessing files via a loopback share the same as using a local path?

Question from a user (paraphrased): When we access a local file via loopback UNC path, is this the same as accessing via the local path? I mean, is  "C:myfoldera.txt" equal to "myservermysharea.txt" or I'll be using TCP/IP in any way?Answer from SMB developer: When accessing files over loopback, the initial connect and the metadata operations … Continue reading Is accessing files via a loopback share the same as using a local path?

Windows Server 2012 File Server Tip: Disable 8.3 Naming (and strip those short names too)

This has been a performance tip for File Servers for some time now: disable short names. There are big performance savings in disabling 8.3 naming and also for removing existing short names on a volume. Here’s a diagram from a presentation I delivered last year: The old “8dot3 naming” convention has been obsolete for a … Continue reading Windows Server 2012 File Server Tip: Disable 8.3 Naming (and strip those short names too)

Windows Server 2012 and SMB 3.0 – VSS for SMB File Shares

There is a new blog post by Claus Joergensen, a Principal Program Manager in the File Server team, that covers the "VSS for SMB File Shares" feature in Windows Server 2012 and SMB 3.0. Claus covers many details on using VSS for SMB File Shares to create backups, including several scenarios using Hyper-V and step-by-step instructions for … Continue reading Windows Server 2012 and SMB 3.0 – VSS for SMB File Shares

The basics of SMB Multichannel, a feature of Windows Server 2012 and SMB 3.0

1. Introduction Windows Server 2012 includes a new feature called SMB Multichannel, part of the SMB 3.0 protocol, which increases the network performance and availability for File Servers.   1.1. Benefits SMB Multichannel allows file servers to use multiple network connections simultaneously and provides the following capabilities: Increased throughput. The file server can simultaneously transmit … Continue reading The basics of SMB Multichannel, a feature of Windows Server 2012 and SMB 3.0

The basics of SMB PowerShell, a feature of Windows Server 2012 and SMB 3.0

1. Overview 1.1. Introduction Windows Server 2012 provides Windows PowerShell cmdlets and WMI objects to manage SMB File Servers and SMB File Shares. These new tools are aimed at both System Administrator and Developers. 1.2. Benefits SMB PowerShell cmdlets allow an IT Administrator to Use the PowerShell command line to manage and monitor File Servers … Continue reading The basics of SMB PowerShell, a feature of Windows Server 2012 and SMB 3.0

Episode 20 of “From End to Edge and Beyond” covers SMB Encryption in Windows Server 2012 and SMB 3.0

A quick blog post to highlight that I participated in an episode of “From End to Edge and Beyond”, recorded during TechEd North America 2012 with Tom Shinder and Yuri Diogenes. This show is focused on security, so the main focus was on the new SMB  Encryption feature in Windows Server 2012 and SMB 3.0. We discussed … Continue reading Episode 20 of “From End to Edge and Beyond” covers SMB Encryption in Windows Server 2012 and SMB 3.0

Windows Server 2012 and SMB 3.0 demos at TechEd showcase File Server with multiple storage configurations and technologies

1. Introduction We recently had our TechEd North America event and all sessìon slides and recordings are now publicly available (links are provided below). We’re also getting ready to deliver our TechEd Europe talks this week. With hundreds of talks to attend and/or review, it will probably be a few weeks or maybe months before … Continue reading Windows Server 2012 and SMB 3.0 demos at TechEd showcase File Server with multiple storage configurations and technologies