- A data center (sometimes spelled datacenter) is a centralized repository, either physical or virtual for the storage, management, and dissemination of data and information organized around a particular body of knowledge or pertaining to a particular business
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- Browse Related Terms: Autonomic Computing, Clustering, Grid Computing, I/O, infrastructure, on-demand computing, pervasive computing, ubiquitous computing, utility computing, virtual infrastructure, workload management
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- Also known as the Host or host operating system. dom0 refers to the host instance of Red Hat Enterprise Linux running the Hypervisor which facilitates virtualization of guest operating systems. Dom0 runs on and manages the physical hardware and resource allocation for itself and the guest operating systems.
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- Browse Related Terms: bare-metal, emulation, full virtualization, guest operating system, host OS (Operating System), hosted environment, Hosted Virtualization, operating system virtualization, partitioned, server virtualization, virtual machine, virtualization
- In virtual environments the setup of new systems and recovery of operating systems are much simpler than with standard recovery methods. There is no need to bother about adequate and special hardware, or to deal with patches and firmware. File recovery uses one single step for file encapsulation of virtual machines. This reduces the server to a set of files that can be restored on any hardware. Consequently, complete virtual machines can be replicated with replication software at a recovery location and the recovery time is reduced to a few hours.
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- ensuring the availability of business services at a remote relocation in the event that the infrastructure becomes completely unavailable at the primary location.
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- Browse Related Terms: business continuity, capacity planning, five nines, HA (High Availability), policy-based automation, Provisioning, SLA (Service Level Agreement), TCO (Total Cost of Ownership), Virtual Machine Management Service