Rob McNelly

Rob McNelly

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Recent Posts

  • Replicating Changes Across Multiple HMCs
    January 15, 2019
  • More on VIOS 3.1
    January 8, 2019
  • Staying Fit: An Ongoing Story of Peaks and Valleys
    December 18, 2018
  • Everything to Know about VIOS 3.1
    December 11, 2018
  • Implementing the vHMC Requires Attention to Detail
    December 4, 2018
  • IBM Spectrum Protect Live Demo

    Recently I was shown a link to the IBM Spectrum Protect Live Demo, and I thought I'd tell you about my experience with it.

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    Posted: May 30, 2017 |

    CoD Remains an Under-Utilized Option

    Although Capacity on Demand has been around for years, I still encounter customers who are unaware of this option. So here's a primer/reminder.

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    Posted: May 23, 2017 |

    How to Seize Information About Your SEAs

    Shared Ethernet adapters have matured as a technology. A few years ago when SEAs were new and a little more esoteric, they were occasionally misconfigured, leading to network issues. Now that we have more experience with them, I don't hear about many problems with SEAs these days.

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    Posted: May 16, 2017 |

    About Processor Modes

    During the build out of a new POWER8 server, we were loading VIO server. We were using the classic HMC interface, and a user clicked on the profile after VIOS was running. He checked the hardware tab, and in that tab, they happened to see the processor compatibility mode.

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    Posted: May 9, 2017 |

    There's Still Something About the Good Old Days of Tech

    I like to check my Twitter analytics to get a feel for the kinds of topics that my followers find interesting. You can learn the number of impressions and engagements for each individual tweet, as well as your overall engagement rate.

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    Posted: May 2, 2017 |

    Running YUM on AIX

    When it comes to getting open source packages onto your AIX system, there are lots of options. And while package dependencies are always a problem, Michael Perzl's solution is still sound.

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    Posted: April 25, 2017 |

    A Different Way to Look at Systems

    Sure, I enjoy reading about new systems. I've also done my share of writing about them. But for me, there's nothing better than being able to actually visualize hardware. Of course speeds and feeds are helpful, but I want to see where the different cables plug in, or how a server or expansion drawer fits in the rack. It's just easier to understand how things go together when you can give it the eye test.

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    Posted: April 18, 2017 |

    The Danger of Defaults

    A friend who was in the midst of a migration project recently asked me what I knew about TCPTR. Short answer: not much.

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    Posted: April 11, 2017 |

    More rPerf Resources

    Earlier this year I pointed you to a method for finding relative performance (rPerf) numbers for your LPAR. Read on to find additional rPerf resources.

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    Posted: April 4, 2017 |

    HA and DR Overview

    What are the different high availability (HA) and disaster recovery (DR) solutions are available for Power Systems? What are the pros and cons of these different solutions?

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    Posted: March 28, 2017 |

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