Observability is the vehicle for delivering the next generation of tools to help us regain control. About 15 years ago, I participated in a meeting with customer IT executives to discuss their biggest challenges. I remember one of them describing difficulties in...
Part 4: The outsourcer’s cost structure This is the fourth in a series of blogs about how to follow up on your mainframe outsourcer. Previously I’ve discussed why it is important to follow up on your outsourcer, understanding MIPS and MSU, and the pitfalls of MIPS. In...
Outsourced mainframe customers often lack a clear understanding of how well their outsourcer is managing the mainframe capacity and performance relative to what is optimal for the customer. The customer seldom has access to the data needed to really understand their...
