Rob McNelly

Rob McNelly




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Recent Posts

  • CoD Remains an Under-Utilized Option
    05/23/2017
  • How to Seize Information About Your SEAs
    05/16/2017
  • About Processor Modes
    05/09/2017
  • There's Still Something About the Good Old Days of Tech
    05/02/2017
  • Running YUM on AIX
    04/25/2017
  • 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 09, 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 02, 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 04, 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 |

    A POWER9 Roadmap

    I want to point you to Jeff Stuecheli's POWER9 presentation from January's AIX Virtual User Group meeting. This information doesn't involve specific announcements or new models, but it provides an informative look the capabilities of the chip itself.

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    Posted: March 21, 2017 |

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