Rob McNelly

Rob McNelly

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Recent Posts

  • HA and DR Overview
  • A POWER9 Roadmap
  • Selected AIX Versions Can Soon Be Licensed Monthly
  • New Version of Power Systems Best Practices Now Available
  • A Power Champion, Again
  • The First Step in Troubleshooting

    If you work on AIX (which you surely do if you're reading this) and you've worked with IBM Support, you've probably used the snap command.

    But are you familiar with the zsnap command?

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    Posted: September 01, 2015 |

    Helpful Links About Event Monitoring

    This post includes some very helpful links about AIX Event Infrastructure.

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    Posted: August 25, 2015 |

    Check Out IBM Software System Maps

    Say your site is getting new hardware. One thing you'd want to know is the software versions you should be running on your shiny new boxes.

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    Posted: August 18, 2015 |

    Creating Adapters with the HMC Enhanced GUI

    I was recently playing around with the enhanced HMC GUI, using the new interface to look at an old test machine.
    The test box had crash and burn LPARs that had been created over time. In some cases, I'd spin up a test LPAR and select the VIO server option that allowed for any client partition to connect to the virtual adapter I'd created. This was to allow greater flexibility going forward -- it wouldn't be necessary to  re-create the adapter; I'd just assign another client LPAR to the existing one. If I hadn't yet built the client LPAR definitions, I'd set up a bunch of server adapters ahead of time for later use with the crash and burn client LPARs.

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    Posted: August 11, 2015 |

    The pdump Script

    Do you have a hung process on your AIX machine? Do you need more information about a running process? These are just two instances where the pdump script could help you.
    The pdump script extracts information from the running process by using the kdb command and other AIX tools. This script can be especially helpful if you suspect the process is in a hung state or is suspected to be in an infinite loop.

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    Posted: August 04, 2015 |

    Identifying SAN Devices

    Anthony English recently tweeted about world wide port names (WWPNs), linking to this series of slides last updated by Anthony Vandewerdt in 2013.

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    Posted: July 28, 2015 |

    Share Your Product Ideas with IBM

    What new features and capabilities would you like to see added to AIX? How can you share your ideas with IBM?

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    Posted: July 21, 2015 |

    HMC Connectivity Security

    This blog is about a white paper, which was published in April. It examines HMC 830 connectivity security.

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    Posted: July 14, 2015 |

    A Tool for SAN Troubleshooting

    Are you looking for more information about your SAN? Do you want to learn about the LUNs that have been presented to your host? Maybe you want to be able to compare what your machine sees now as opposed to what it was seeing on the SAN.

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    Posted: July 07, 2015 |

    A Message Worth Repeating

    I needed a bigger vehicle. Given my work with Boy Scouts, I spend considerable time on the road, hauling boys and their camping gear.

    I wanted something big enough to comfortably contain eight or nine people and capably transport a trailer of supplies. I also wanted something that was reliable, well-maintained and a good value. I knew it'd take some time. Decently priced used vehicles like that don't become available every day, and they typically sell within hours of being advertised. But after a few months of searching craigslist, I found a Chevy Suburban that fit my needs and requirements.

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    Posted: June 30, 2015 |

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