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High Availability (HACMP)

High Availability (HACMP) and Systems p


There are a few questions that every IS department needs to ask:

  • What is the impact if our systems are down?
  • What is the maximum amount of time our system can be down?
  • What is the cost per hour, and the cost per day for our system being down? These costs will include lost revenue, time and resources to recreate lost data.
  • How quickly can we detect a down system?


Unplanned outages due to hardware failures or system upgrades come at a pretty steep cost to many companies. The core principle behind High Availability is to minimize your down time per year by automating detection and recovery of systems failures. We can help you plan and implement your highly available systems with products like IBM’s HACMP.

TSG Consulting has implemented IBM’s HACMP product at places like hospitals, where patient information is critical, to warehouse applications. We have also created custom solutions that keep ambulance services up and available.

Let us help you plan and implement your cluster. We can guide your planning sessions through the types of fail-over and resource management. Not all applications will work is this environment. We can help you find out if your systems can be supported in a HACMP cluster. We will also help you discover what type of application take-over is right for your environment and needs.

A large part of a successful HACMP implementation is the creation of shell scripts. These scripts are used to stop and start applications and databases. Shell scripts can also be created to notify operators and administrators of system events.

Another piece to the HACMP puzzle is the administration of a HA Cluster. Properly maintaining the cluster is a critical piece to ensuring proper fail-over of nodes. TSG Consulting can help with on-going systems administrative tasks, as well as migration of AIX and the HACMP software.