Rob McNelly

Rob McNelly

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Recent Posts

  • The Place to Go for AIX Updates
  • Much has Changed, but Not Everything
  • Booting an LPAR from a USB Port
  • Info on VIO Commands
  • PowerHA Now Includes HTML Reporting Capability
  • A Performance Analysis Tool for Linux

    I often hear from people who want to know how to conduct in-depth performance analysis on Linux. These folks are new to the platform and wonder why they can't find many of the tools (PerfPMR, for instance) that they take for granted with AIX.

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    Posted: October 04, 2016 |

    Removing a Static Route from the ODM

    I was recently asked how to remove a static route from the AIX Object Data Manager (ODM), so I pointed my customer to this techdoc.

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    Posted: September 27, 2016 |

    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 06, 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 09, 2016 |

    PowerVC Resources

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

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    Posted: August 02, 2016 |

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