Virtual Machines Archives - IT Jungle

IBM Bolsters Disaster Recovery With GDR For IBM i

May 3, 2017 Alex Woodie

IBM next month plans to start selling a new disaster recovery product to IBM i shops. Called Geographically Dispersed Resiliency, or GDR, the new offering is designed to give companies an easy and affordable way to recover production IBM i LPARs on remote machines. IBM’s resiliency guru Steve Finnes gives IT Jungle the lowdown on the new tech.

GDR provides DR protection by essentially taking a production logical partition (LPAR), also called a virtual machine (VM), from one IBM i server and restarting it on another IBM i server. The VMs involved in a GDR switch must be stored on …
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Contain Your IBM i Enthusiasm

May 1, 2017 Timothy Prickett Morgan

In the IT business, what is old is often new again. And so it is with the software containers that are taking certain datacenters by storm these days, and the virtual machines and hypervisors that run them that predate them as a volume product on X86 servers by a decade.

Let’s have some fun with history.

Virtual machines were invented for IBM mainframes in the VM operating system way back in the dawn of time, well, 1972 with the launch of Virtual Machine Facility/370, which ran a lightweight operating system called the Conversational Monitoring system and as it matured could …
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