Rob McNelly

Rob McNelly

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Recent Posts

  • More Fun with AIX on a Nutanix Cluster
    November 13, 2018
  • Porting to POWER9
    November 6, 2018
  • A Change to the SMT Mode Default in POWER9
    October 30, 2018
  • HMC Enhanced GUI: A Cautionary Tale
    October 23, 2018
  • Restricting Access to the AIX Error Report
    October 16, 2018
  • 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 |

    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 |

    Selected AIX Versions Can Soon Be Licensed Monthly

    IBM made an interesting announcement today. The Standard editions of AIX 7.1 and AIX 7.2 will soon be available to be licensed on a monthly basis under Passport Advantage.

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    Posted: March 14, 2017 |

    New Version of Power Systems Best Practices Now Available

    As I noted in this 2013 post, Fredrik Lundholm compiles and updates a presentation called the Power Implementation Quality Standard for commercial workloads.

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    Posted: March 7, 2017 |

    A Power Champion, Again

    In case you missed me mentioning it on Twitter (@robmcnelly), I was recently selected as part of the 2017 class of IBM Power Champions.

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    Posted: February 28, 2017 |

    Supporting Systems and the People Who Use Them

    What systems are you running? That's an easy enough question to answer. You might tell me that you have two 880s, two 850s and two S822s, all running AIX 7.2.

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    Posted: February 21, 2017 |

    New Servers Designed for Smaller Environments

    In my consulting work, I see a number of customers with small machines running critical workloads that don't incorporate virtualization. Because these workloads aren't necessarily memory- or CPU-intensive, these customers see no need to set up multiple LPARs. They just want a stand-alone system.

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    Posted: February 14, 2017 |

    Article Misses the Point on VIOS Use

    This was posted on Jan. 17, but it's worth revisiting.

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    Posted: February 7, 2017 |

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