Bruce Mackenzie-Low | Bio

Bruce is a master consultant at Hewlett-Packard providing third-level worldwide support on Microsoft Windows-based products, including clusters and crash dump analysis. With over 20 years of computing experience at Digital, Compaq and HP, he is a well known resource for resolving highly complex problems involving clusters, SAN's, networking and internals. He has taught extensively throughout his career always leaving his audience energized with his enthusiasm for technology.

Bruce Mackenzie-Low's Recent Posts

Recent June, 2011 Stories
  • Xperf Rocks Part 2: Analyzing Storage Performance Data & Generating Graphs

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    Bruce Mackenzie-Low covers Xperf, one of Microsoft’s hottest diagnostic tools. This article continues where "Xperf Rocks Part 1: Troubleshooting Storage Performance Problems" left off. Part 2 focuses on how to use Xperf to analyze event data and generate graphs & tables. Powerful graph options are explained, which allow you to quickly pinpoint storage bottlenecks, along with the detailed data in a tabular format.

    Xperf Rocks Part 1: Troubleshooting Storage Performance Problems

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    There is one crown jewel from Microsoft’s toolbox treasure trove that has not received much attention. Xperf, which is part of the Microsoft Windows Performance Toolkit, allows you to dig deeper into performance issues than Perfmon and PAL ever dreamed. In this article, Bruce Mackenzie-Low provides an overview of Xperf for troubleshooting Windows storage performance issues.

    Windows GPT Disks – Is Bigger Really Better?

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    Bruce Mackenzie-Low examines the benefits and disadvantages of MBR and GPT-based Windows disks. The 2 approaches differ in how they track the mapping of physical disk sectors to logical block numbers. MBR (Master Boot Record) is widely accepted, but partition size is limited to 2 terabytes. GPT (GUID Partition Table) was created to accommodate the larger partition sizes and offers greater resilience to corruption.

    Leveraging the Cluster Validation Wizard for Troubleshooting Storage Problems

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    How to use the Cluster Validation Wizard, also known as Validate, to perform a variety of tests to ensure that cluster components are accurately configured and supported in a clustered environment. Bruce Mackenzie-Low explains using the Cluster Validation Wizard to systematically test the storage subsystem in order to isolate any failing components, including generation of a Validation Report which documents the tests and their results, along with hyperlinks to detailed troubleshooting information such as failing disks and server names.

    Understanding PAL Reports to Identify Windows Storage Bottlenecks

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    How-to by Bruce Mackenzie-Low on using PAL (Performance Analysis of Logs) reports for highlighting which counters have exceeded predetermined thresholds. The lastest versions of PAL 2.0, now using PowerShell instead of VBScript, can simplify the troubleshooting of performance issues by identifying when counters have exceeded various thresholds, graphing their trends and identifying bottlenecks.