Rob McNelly

Rob McNelly

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Recent Posts

  • An Important Reminder about VIOS
    September 18, 2018
  • LPM Copy Time Stats
    September 11, 2018
  • A Discussion of Software Security
    September 4, 2018
  • Other Options for Volume Group Backups
    August 28, 2018
  • Vulnerability Checker Provides Security Info
    August 21, 2018
  • More on the HMC and root

    Did you know about the AIX forums that are hosted at It had been awhile since I checked them, but when I did recently, I found an open letter that was written to me a few weeks after I wrote about whether IBM should allow root access to the HMC.

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    Posted: September 20, 2016 |

    POWER9 Media Coverage

    Last month's Hot Chips conference generated quite a bit of press about the soon to be available POWER9 processors.

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    Posted: September 13, 2016 |

    10G Ethernet on POWER Tips

    This great new techdoc from Steve Knudson recently went live. It includes a set of slides that cover Ethernet on POWER, along with a cheat sheet that you may find valuable as you transition to 10G adapters on POWER8 servers.

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    Posted: September 6, 2016 |

    Using LPM from the Command Line

    In February I wrote about disabling live partition mobility on selected partitions, and recently I received a related question from someone looking for an alternative to using the HMC GUI. Specifically, how do you turn LPM on and off from the command line on a per partition basis?

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    Posted: August 30, 2016 |

    Using AIX System Accounts

    I recently was asked about AIX system accounts. You'll find the answers -- why they're there, how you login to them, etc. -- in this IBM Support doc. It's an older document that covers the basics, but the information is still relevant:

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    Posted: August 23, 2016 |

    Linux on Power Resources

    I know more of you are evaluating and using Linux on Power, so I want to highlight some good resources. (Note: A ton of links follow, and I've noticed that some don't seem to work properly with Internet Explorer, so try another browser if you encounter issues.)

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    Posted: August 16, 2016 |

    Connecting with IBMers on Sametime

    I worked for IBM from 2000-2006. During that time I used Sametime extensively to communicate with coworkers worldwide. When I left the company, I wanted to continue to IM my former colleagues.

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    Posted: August 9, 2016 |

    PowerVC Resources

    By now you're familiar with PowerVC. No? Well, then this post is for you.

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    Posted: August 2, 2016 |

    Lessons Learned from Camp

    As long time readers know, I work with Boy Scouts. Recently we took 19 boys to a week-long summer camp, and while I always find being around kids to be instructive, this time I realized that some of these lessons apply to techies as well as campers.

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    Posted: July 26, 2016 |

    Lots of Potential Bookmarks

    Check out the latest blog post, which includes several links of interest to AIX users.

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    Posted: July 19, 2016 |

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