Rob McNelly

Rob McNelly




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Recent Posts

  • Supporting Systems and the People Who Use Them
    02/21/2017
  • New Servers Designed for Smaller Environments
    02/14/2017
  • Article Misses the Point on VIOS Use
    02/07/2017
  • Decoding iCalendar Files
    01/31/2017
  • Taking on the Upgrade Exception
    01/24/2017
  • IBM Announcements Including AIX 7.2 and New Linux Servers

    What version of AIX are you running? At conferences and events where presenters ask for attendees to put up their hands I am seeing fewer and fewer shops running AIX 5.3, AIX 5.2 or older versions of AIX. They are migrating to newer hardware and newer versions of PowerVM and the AIX operating system.

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    Posted: October 05, 2015 |

    Displaying Virtual Optical Device Info with lsvopt

    I have a client that works with virtual optical devices, having built one for each LPAR on its system. The client wanted to know the easiest way to display these devices along with all of the virtual media (both the media already loaded into the devices, and the media available to load).

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    Posted: September 29, 2015 |

    The IBM Champion Program is Back

    Back in 2011 I wrote about the IBM Champion program and how happy I was to be one of those recognized. Since that time, the program went on a bit of a hiatus, and there hadn't been any new nominations for Power Champions (my official designation). Occasionally, someone on Twitter or elsewhere online would ask about the program and when it would be revived.

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    Posted: September 22, 2015 |

    Sending Log Files to IBM

    Are you sending in log files and snap files to IBM for problem analysis? I usually send my information via FTP, but lately I've tried other methods like https or the Java utility. For anyone who's grown up with GUI, these may be more appealing options.

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    Posted: September 15, 2015 |

    A Troubleshooting Follow-up

    Last week I wrote about the zsnap command and how it can be used to collect information and troubleshoot data for AIX, PowerHA or VIO server. Here's how to use zsnap with PowerHA SystemMirror.

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    Posted: September 08, 2015 |

    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 |

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