IBMi.org – Bart's blog

IBM i and PowerVM features and tools

How to prevent situation when server IPL may affect SAS controller

Last weekend I had a very unpleasant situation. A server reboot made an entire machine unusable. It was very difficult issue, costing an unplanned outage. Actually, we had all series of unfortunate events that day. I got aged by few years, but also learn there is always a solution, event in a hopeless situation. Read the entire story to avoid a similar problem. Read more of this post

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(Updated) Meltdown & Spectre performance impact on IBMi and IBM Power Systems

Not sure if there is anyone in IT world who has not heard about latest vulnerabilities in the modern chips. In this post I cover performance impact caused by fixes on IBM Power Systems and and IBM i OS.

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IBM Technical University 2017 summary

Finally, short summary about the great conference which was IBM Technical University at Prague. Again, it was amazing event with excellent content, people and absolutely astonishing knowledge sharing.

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IBM TechU Prague 2017 – finally as a speaker

Finally this is happening! After all these years I’ve been given an opportunity to speak, present, teach others about technologies where I find myself very confident and have experience which should be shared among the community. I will be a speaker at IBM Technical University

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Administrative Domains on IBMi – PowerHA

I would like to share my experience from implementing and configuring the feature of PowerHA – The Administrative Domains. This functionality allows synchronization of specific objects stored on the SYSBAS. It should be used in conjunction with an iASP based solution. Thus, if you don’t use the iASP, you will not find the Administrative Domain useful.

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IBM give away BRMS, POWERHA and RDi to HelpSystems

I just came back from vacation and I’m shocked with the information that the development of key IBM i products: BRMS, PowerHA for i, IBM Rational Developer for i (RDi) and L3 support are moved to HelpSystems.

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LUG 2017 IBM Rochester

Finally I found some time to write few words about LUG meeting which I was fortunate to attend at the begging of June 2017.  Beside numbers of presentations, it was great opportunity to finally meet many IBM i people, architects, developers. And I was also given an opportunity to present some content to the community. Read more of this post

Demand for extra CPU capacity? Use a bug in POWER8 firmware

This week I discovered very weird bug in the POWER8 firmware. With this bug it is possible to use entire server capacity without paying processor activation to IBM. Read more of this post

SR-IOV firmware upgrade via the HMC Enhanced GUI

Today, I want to share my experience with the upgrade an SR-IOV adapter firmware (EN0H) configured in shared mode. The update was so simple and so straight forward that I decided to share this positive message with you. Read more of this post

How to automate update of Access Keys for POWER8

The other day, I’ve wrote about POWER8 ‘feature’ which requires from an administrator update of  access keys in order to keep a server eligible for the firmware upgrade POWER8 – No hardware maintenance-no firmware upgrade . An administrator needs to enter these every few months, if a maintenance contract is re-signed every few months. This can be a headache, or something bigger if someone runs multiple servers. There is a secret HMC function, which can update the keys automatically.

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