• May 29, 2020

Is it going to take a major software failure to get you to look at your current systems?

“A chain is only as strong as its weakest link.” There is no better example of this than the application development lifecycle and all its moving parts. If any system, code, process, or workflow breaks down at any time, it can prompt a major software failure that can be devastating for an organization’s business. Are […]

Getting the deep down muck on DDM!

DDM or Distributed Data Management has been around on IBM i since it was the good old AS/400 (probably even before that). Let’s get Deep Down into the Muck (DDM?) of DDM. What is it and why does iCluster need it? The DDM support on IBM i allows application programs or users to access data […]

CHKACTGRP – New tool to programmatically check for active group

Interactive iCluster users can use Option 2 Work with Groups or the Status Monitors to determine if a group is active. However, if you needed to determine this programmatically, traditionally a read of the DMGROUPS metadata file for the specified group to see if the status field was *STRREPL was used. The status field however […]

iCluster 7.1 Interim Fix 11 is GA

The most current release of Rocket iCluster is 7.1 TR1, but Rocket Software continues to support previous releases. If you are on Rocket iCluster 7.1, the most current fix pack Interim Fix 11 (IF11) has just been made available on the customer portal. The package can be found at https://support.rocketsoftware.com/rsp-portal/downloads/categoryDetail?category=Rocket+iCluster under RIC-27 Rocket iCluster 7.1 […]

Subscribing to iCluster Newsletters

On a monthly basis, Rocket sends a customer newsletter to all iCluster customers. This newsletter covers some of the technical tips provided in this blog, but also some additional information, such as the release of new How to Videos on the iCluster website, news of new events, team member profiles, new releases etc. To subscribe […]

Verifying iCluster Communications

When communications go down between systems in your network or a system goes down, the first test when everything is back up again is a simple PING <node name> command. This will tell you that at least TCP/IP is up and running on the node that went down and your current node can find the […]

iCluster now replicates “Q” libraries

In the last Tech Tuesday post we covered the fact that Interim Fix 5 for iCluster 7.1 Tr1 has been released and we covered the fix that should remove your false OBS (Obsolete Objects) from the *FULL sync check. This week we will cover the one major enhancement in IF5, the removal of the restriction […]

iCluster 7.1 TR1 Interim Fix 5 Released

Rocket Software has released a new Interim Fix package for the current release of Rocket iCluster 7.1 TR1 called Interim Fix 5 (or IF5). Interim Fix packages are less intrusive then Technical Refreshes and can usually be applied in a few minutes by extracting the IBM i save file, transferring the file in Binary mode […]

Checking for iCluster Latency The Easy Way Part II

In the last Tech Tuesday post we covered how to use the DMDSPLOG command to display only the latency messages. As you are now aware, the iCluster event log contains a lot of information about your replication environment, but there may be times when you want this information in a different format or even in […]

Turning off Comms AutoRecovery in iCluster

In iCluster 7.1 TR1 we introduced CAR (Communications AutoRecovery). This feature detects small bumps in communications and automatically recovers the replications groups, including starting nodes and restarting groups from their last replication position. This is very handy if you have frequent TCP/IP errors or outages. Most of the time this is exactly what you want, […]