Rob McNelly

Rob McNelly




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Recent Posts

  • On Becoming a Sponsor User
    11/14/2017
  • A Tip on Getting Started with the PowerHA 7.2.1 GUI
    11/07/2017
  • Just Back from Technical University
    10/31/2017
  • Patching: Seeking a Happy Medium
    10/24/2017
  • A Hitch with SEA Failover Testing
    10/17/2017
  • Decoding iCalendar Files

    If you use an electronic calendar, chances are you're dealing with multiple calendaring and email systems between your work and personal accounts. Some folks use Google Calendar, others use Outlook and still others use Lotus Notes for example. Personally, I use multiple email clients, and each one has a calendar. I prefer to keep all of my appointments in one place using one piece of software, and everything has to sync with my phone.

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    Posted: January 31, 2017 |

    Taking on the Upgrade Exception

    During a recent conversation over lunch, my companion made a great observation: No one questions the need to upgrade their computers and other devices anymore -- with one notable exception.

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    Posted: January 24, 2017 |

    Thoughts on Performance Tuning

    I recently discovered this post to the UNIX & Linux Forums. While it's from 2013, "The Most Incomplete Guide to Performance Tuning" has some great -- and still relevant -- ideas.

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    Posted: January 17, 2017 |

    The PowerVM Story Gets Better

    Why do I consider PowerVM to be such a powerful virtualization technology? It has many advantages compared to competing virtualization technologies, including the capabilities it borrows from the mainframe.

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    Posted: January 10, 2017 |

    Estimate rperf for your LPAR

    This post outlines a recent Nigel Griffiths tweet about estimating rperf for your LPAR. Read on to find out more.

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    Posted: January 03, 2017 |

    Booting AIX in Debug Mode

    I recently had an AIX LPAR that wasn't booting. In an effort to gather information, IBM Support had me boot it a few different ways. This document details what we needed to do. I'm copying it here because I want to make sure you're aware of this option.

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    Posted: December 20, 2016 |

    Back Up Your HMC or Get Ready to Rebuild

    A customer had an HMC issue. There were no backups, so the HMC had to reinstalled from scratch. There wasn't any documentation either, meaning that the customer had no idea what the network settings should be.

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    Posted: December 13, 2016 |

    Bare Metal Recovery Options for Linux

    I recently wrote about backups, though I didn't get into the bare metal recovery options for Linux. I wrote about this topic in 2005, and here I am, 11 years later, still wondering where is my integrated bare metal recovery mechanism for Linux? The answer is still going to include Storix, though there's another utility that may also work for you.

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    Posted: December 06, 2016 |

    Tech Terms Defined Redefined

    I love clever definitions of technology-related terms. In the past I mentioned the IBM Jargon and General Computing Dictionary (which will be 30 years old soon).

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    Posted: November 29, 2016 |

    Adjusting to a Linux World

    I use Linux, and have for many years. I run Linux on Power hardware, which is something any Linux enterprise user should consider. Still, I prefer to live in the world of AIX. I understand that Linux is a fixture now, but there are features and capabilities that I take for granted with AIX that aren't there (at least not yet) with Linux.

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    Posted: November 22, 2016 |

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