2.1 Gdps May 2026

3D printed parts (metal and polymer) have unique surface textures that are non-Gaussian and anisotropic. Legacy filters distort these textures. 2.1 GDPS allows engineers to accurately assess porosity and surface adhesion properties without introducing mathematical artifacts.

If you are still using legacy filtration methods (pre-2.1), your metrology data is technically "dirty." Here are the five practical reasons the 2.1 GDPS standard is dominating modern quality labs:

Let us simulate a production failure to illustrate how 2.1 GDPS operates.

Total elapsed time for a non-disruptive test: Under 90 seconds. For an actual disaster: Under 5 minutes. 2.1 gdps

If your organization operates an IBM i environment where every transaction matters and distance allows synchronous replication (under 25km), then pursuing a 2.1 GDPS architecture is the most robust business continuity strategy available. It is not a replacement for log-based replication tools, but it is the ultimate safety net for storage and site failure.

For those unable to meet the distance or budget requirements, consider GDPS Global Mirror alone (asynchronous, 2.0 feature set) or modern PowerHA with NVMe replication. However, for the most demanding financial, healthcare, and retail IBM i workloads, 2.1 GDPS remains the gold standard against which all high availability is measured.

This article is based on IBM Redbooks, DS8000 documentation, and field experience as of 2026. Always consult your IBM Business Partner for current licensing and compatibility with your specific IBM i release. 3D printed parts (metal and polymer) have unique

Ensure your surface profilometer or atomic force microscope (AFM) has the processing power to handle the Gaussian convolution algorithm. Unlike simple RC circuits, Gaussian filtering requires digital signal processing (DSP).

In the realm of mechanical engineering and metrology, GDPS refers to the system of symbols and rules used to define the geometry of a part. It is the evolution of traditional Geometric Dimensioning and Tolerancing (GD&T). A "GDPS" standard dictates how a designer communicates the allowable variation in form, orientation, and location of features on a 3D model.

The shift to 2.1 GDPS represents a fundamental shift from analog thinking to digital precision. If your quality control department is still using legacy filters, you are effectively measuring the past, not the present. You are introducing phase errors that hide defects and inflate scrap rates. Total elapsed time for a non-disruptive test: Under

For engineers, the call to action is clear:

In the race for miniaturization, durability, and performance, the difference between a good part and a failed part is measured in nanometers. The 2.1 GDPS standard ensures that what you measure is what you actually get.

Stay precise. Stay compliant. Update to 2.1.

In the world of enterprise IT, downtime is measured in the cost per second. For organizations running mission-critical workloads on IBM i (formerly AS/400, iSeries, System i), the difference between a minor interruption and a catastrophic business failure often comes down to one acronym: GDPS (Geographically Dispersed Parallel Sysplex). However, with the introduction of tighter coupling between operating system releases and storage replication, the threshold known as 2.1 GDPS has become the new gold standard for near-zero Recovery Time Objectives (RTOs) and Recovery Point Objectives (RPOs).

But what exactly is "2.1 GDPS"? It is not simply a software version number. Instead, it refers to the integration of IBM i 7.2 (or later) with Global Mirror (formerly XRC) and Metro Mirror (formerly PPRC) in a GDPS environment, refined by the operational standards defined in the IBM Redpaper REDP-5501, "GDPS V2.1". For the IBM i professional, understanding 2.1 GDPS means understanding how to fuse logical replication with physical storage clustering.