The Shared File System (SFS) in z/VM has been around for a while, but it is now the default installation option to hold the service data for z/VM 6.4. IBM made SFS the default because it’s easier to work with and easier to manage the space compared with minidisks, IBM IT specialist Bruce Hayden expl
In distributed environments, the interaction between a user and an application follows a familiar series of steps: a user enters the network through a web server, signs into the application server, and then the applications reach into the database for what they need. Between each server there is a f
This year marks an exciting milestone in the history of mainframe virtualization. In January 1967, production use began on the CP-40, a research system on which MIT and IBM researchers first tested the concept of virtual memory.