IBMi.org – Bart's blog

IBM i and PowerVM features and tools

IBM iDoctor for beginners

I want to introduce IBM iDoctor tool to people who does not know it. Few years ago, I didn’t know the tool either, and I’ve heard lot of wired stories what the aim is. These days, I can’t live without it, and every single serious performance analysis starts with the tool. I want to show you in very simple steps how to do a basic analysis. Not sure if you know, but the tool is available with 45-days free trial. So, you can give a try without paying a single penny, or ordering an expensive consultant. Read more of this post

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IBMi – copy the loadsource to a smaller disk

Me and many other technicians hate the limitation that the only supported way of migrating the Loadsource disk to a smaller LUN is save/restore IBMi OS. With the method described below, I was able to copy the Loadsource to the smaller disk, and it worked. Read more of this post

How to check LUN properties delivered to IBMi

Have you ever wonder if a LUN delivered from an external storage to your IBMi Lpar is thin provisioned,encrypted or provisioned thru SSD, you can do it from IBMi. Read below about hidden SST macro.

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I’m still alive – what my projects are

You didn’t see many posts from me recently. This is because I’m extremely busy. Below you can find some details Read more of this post

Think2018, and how I become IBM Champion

I

did not publish a post for quite some time, and apparently few great things happened to me in last months. At the begging of the year, I become an IBM Champion, and had a honor to attend the biggest IBM conference – Think2018. If you are interested about IBM Champion program or the conference, read my post below.

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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

(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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