Rob McNelly

Rob McNelly

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Recent Posts

  • A Lifetime Champion
    February 19, 2019
  • System Software Maps Provide Quick Answers on OS Support
    February 12, 2019
  • PowerVC-Based Tool Rebalances Workloads
    February 5, 2019
  • There's Even More to the POWER9 Story
    January 29, 2019
  • A Red Hot Reddit Discussion of AIX & Linux
    January 22, 2019
  • GDR as a Disaster Recovery Option

    A sound disaster recovery plan is one that's regularly being updated. With this in mind, I want to cite this overview of Geographically Dispersed Resiliency (GDR), a DR option that is designed for efficiency:

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    Posted: November 27, 2018 |

    Exploring the Possibilities

    There's a lot you can do with AIX. But that doesn't mean we won't search for even more ways to play with it.

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    Posted: November 20, 2018 |

    More Fun with AIX on a Nutanix Cluster

    This week's blog post is about my recent experience with a Nutanix Cluster.

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    Posted: November 13, 2018 |

    Porting to POWER9

    Linux runs on everything from embedded devices to mainframes. So why should we care that Linux runs on IBM Power Systems servers? Many developers and users are perfectly happy running Linux applications on x86, since that's the environment they know. However, lack of awareness of alternatives is another factor. In the case of Power Systems, some believe it can be difficult to move an application from x86 to POWER. Of course we know that this is unfounded?and in fact with the relatively recent change from the big endian to little endian format, moving to POWER has never been simpler.

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    Posted: November 6, 2018 |

    A Change to the SMT Mode Default in POWER9

    There's a rather significant change with the default SMT mode in AIX 7.2 TL3 running on POWER9 servers. This post describes the new settings.

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    Posted: October 30, 2018 |

    HMC Enhanced GUI: A Cautionary Tale

    Just in time for Halloween, here's a scary story involving the HMC enhanced GUI version and an inexperienced user.

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    Posted: October 23, 2018 |

    Restricting Access to the AIX Error Report

    Awhile back on Twitter, Chris Gibson noted that, starting with AIX 7.2 TL3, administrators will be able to prevent non-privileged users from viewing the AIX error report.

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    Posted: October 16, 2018 |

    New Stencils Available for POWER9 Systems

    Visio stencils are now available for selected IBM Power Systems POWER9 models, including the AC922 and S914.

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    Posted: October 9, 2018 |

    NIM Management via HTTP

    I love NIM. I rely on NIM when I'm doing new server builds, and it's also my go-to for installing the VIO server.

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    Posted: October 2, 2018 |

    What's in Store for Memory

    In August there was an event called Hot Chips 30. A long-running conference for the semiconductor industry, Hot Chips is the place to learn about high-performance microprocessors and related topics like system memory. Here are a couple of interesting articles that came out of the conference that look at memory and where it's headed in the near future.

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    Posted: September 25, 2018 |

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