THE FOUR HUNDRED - Power Systems & IBM i Insights

1. Bob Code Assistant Gets Better Understanding Of IBM i Applications

   It has been barely six months since the Bob code assistant became generally available, and just four months since Big Blue shipped the Premium Package for i, which introduced new modes and tools that make Bob useful for IBM i users. But IBM and the open community have not slowed down the pace of development one iota, with two releases of Bob Premium Pack for i in the past two months, including new features to helps IBM i developers understand their applications.

   If you are an IBM i developer who is serious about being productive with Bob, you are going …

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2. IBM i In The Cloud And The Case For Reversing Replication

   When IBM i organizations start looking at the cloud, the conversation often follows a familiar path. Start with low-risk workloads such as development or test, consider running disaster recovery in the cloud, and keep production on-premise. Perfectly sensible. It’s relatively low risk, builds confidence, and gives the organization a manageable starting point.

   But another approach deserves more attention. Run production in the cloud, replicate back to an on-premise system, take backups from that local target, and store them offsite. Turn the familiar arrangement around 180 degrees.

   For organizations considering a hardware refresh, reviewing data center costs, or assessing the skills …

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3. Guru: From Hiking Boots To Long-Term Memory

   In my last article, “Environment Variables: Global Variables Wearing Hiking Boots,” we explored how environment variables can carry information around an IBM i job, making it available to programs and procedures along the way.

   But what if our variables don’t need to go hiking? What if we simply need them to remember where they’ve been? As RPG developers, we’re accustomed to declaring variables, assigning values, and expecting those values to be there when we need them. But have you ever considered what happens to those variables when a procedure ends? Or what happens when you call that same procedure again? …

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4. Inside IBM’s New PowerHA Cloud Offering, Full System Manager

   As part of the Fall 2026 Technology Refresh, IBM launched a new product called PowerHA Full System Manager that’s designed to provide high availability and disaster recovery capabilities to IBM i customers running in IBM’s PowerVS cloud environment. The new offering delivers full system replication via an asynchronous replication protocol, failover capabilities, and point-in-time copies. It also provides data isolation guarantees that can be challenging to achieve in shared, multi-tenant cloud environments.

   IBM i customers who run servers off-premise or in the cloud have had high availability and disaster recovery (HA/DR) capabilities available to them for some time. In fact, …

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5. IBM i PTF Guide, Volume 28, Number 39

   This week, the IBM i platform has several issues, as well as two new security vulnerabilities for you to take a look at.

   First, there is this issue: eMudhra CA Certificate Compromise: Impact on IBM SDK, Java Technology Edition, which you can find more information about at this link. This explains the issue with the eMudhra intermediate CA certificate compromise issue and remediation. Note as well: The information in the previous Flash Alert has been revised. Please review the following updated guidance.

   Then there is this issue: IBM i Java Development Kit 8 64 & 32 bit VMs Fail …

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