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• Data Center Infrastructure Efficiency (DCiE)

  Data Center Infrastructure Efficiency (DCiE) is a metric used to determine the energy efficiency of a data center. The metric, which is expressed as a percentage, is calculated by dividing IT equipment power by total facility power. Continue Reading

• Leaf-spine networks take the lead

  Leaf-spine networks are replacing traditional three-layer designs. Get the basics explained here. Continue Reading

• What's the best data center network topology?

  You need to know these most common data center network topologies, and check out a host of alternative topologies waiting in the wings. Continue Reading

• load bank

  A load bank is a device that generates a prescribed amount of electricity draw to test the reliability of electrical switching, generator output, uninterruptable power supply (UPS) systems and cooling in a data center. Continue Reading

• IBM System z Application Assist Processor (zAAP)

  The IBM System z Application Assist Processor (zAAP) is a specialty engine that provides a performance environment for Web-based apps and service-oriented architecture-based technologies, e.g. XML and Java. Continue Reading

• Definitions to Get Started

  • ISO (International Organization for Standardization)
  • SUSE Linux Enterprise Server (SLES)
  • Unix
  • z/OS

  • SELinux (Security-Enhanced Linux)
  • Emergency Power Off (EPO) button
  • CMDB (configuration management database)
  • infrastructure (IT infrastructure)

  View All Definitions

• Self-directed work teams encourage collaborative IT

  No one clings to hierarchy like the data center team, but with DevOps and cloud architectures, SDWTs are finding their way into the racks.Continue Reading

• Is an OpenFlow switch the only option for SDN?

  Our network team wants to start implementing software-defined networking. Do we need to use an OpenFlow switch? Are there other SDN switch options?Continue Reading

• It's time for a software-defined networking architecture

  How do you prepare IT personnel and infrastructure for network virtualization? How do you ensure implementing SDN will pay off in saved time and effort? Start today.Continue Reading

• wetware

  Wetware refers to programmers, developers, systems administrators, cloud and IT architects and other employees that directly affect how servers, applications, networks and the rest of an IT system functions.Continue Reading

• SUSE YaST takes guesswork out of Linux administration

  In an open-source world, it's hard for one Linux feature to make a difference in the distribution. So, why is YaST so important?Continue Reading

• Facebook servers and cold storage in action

  Facebook opened up its hyperscale data center in North Carolina for a look at its Open Compute Project servers, cold storage facility and floral conservation area.Continue Reading

• A mainframe refresher quiz

  Make sure you know what is significant about the mainframe. Take this quiz to find out what you should brush up on.Continue Reading

• IBM Integrated Facility for Linux (IFL)

  The Integrated Facility for Linux (IFL) is a specialty engine processor on IBM System z mainframe servers that is dedicated to Linux workloads. Operational efforts, software costs, energy use and hardware footprint are reduced when Linux is deployed...Continue Reading

• IBM System z Integrated Information Processor (zIIP)

  IBM's System z Integrated Information Processor (zIIP) is a specialty offload engine that helps improve computing performance for a subset of mainframe workloads.Continue Reading

• A flexible data center layout made for the new standard

  Data centers aren't the center of the IT universe anymore. With plenty of resources for hosting dynamic workloads -- cloud, colocation, as a service, or data center -- the on-premises facility layout must become equally flexible.Continue Reading