Data centers
Definitions used in data center management, including hardware, virtualization and cloud computing.
Data backup and disaster recovery
Terms related to backup and recovery, including definitions about making copies of data and words and phrases about restoring original data after a data loss event.
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mirror site
A mirror site is a website or set of files on a computer server that has been copied to another computer server so that the site or files are available from more than one place.
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What is risk mitigation?
Risk mitigation is a strategy to prepare for and lessen the effects of threats faced by a business.
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3-2-1 backup strategy explained: Is it effective?
The 3-2-1 backup is a time-tested data protection and recovery methodology for ensuring that data is protected adequately and up-to-date backup copies of the data are available when needed.
Data center management
Terms related to data centers, including definitions about network operations centers (NOCs) and words and phrases about the storage, management and the transmission of data.
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What is an uninterruptible power supply (UPS)?
An uninterruptible power supply (UPS) is a device that allows a computer to keep running for at least a short time when incoming power is interrupted.
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What is a headless server?
A headless server is a computer without a local interface to interact with. Headless means that it does not have a monitor or other peripherals such as a keyboard and mouse.
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white box server
A white box server is a data center computer that is not manufactured by a well-known name-brand vendor.
Linux
Definitions related to Linux, including tech terms about open source and words and phrases about Linux distributions and software development.
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SELinux (Security-Enhanced Linux)
SELinux, or Security-Enhanced Linux, is a part of the Linux kernel that acts as a protective agent to the operating system.
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SUSE Linux Enterprise Server (SLES)
SUSE Linux Enterprise Server (SLES) is a Linux-based server operating system created and maintained by the German-based organization, SUSE.
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GNOME (GNU Network Object Model Environment)
GNOME (GNU Network Object Model Environment) is a graphical user interface (GUI) and set of computer desktop applications for Linux operating system (OS) users.
Operating systems
Definitions related to operating systems, including tech terms about open source and proprietary operating systems and words and phrases about system programs, boot mechanisms, kernels, command interpreters, DLL libraries and drivers.
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supervisor call (SVC)
In computers, especially IBM mainframes, a supervisor call (SVC) instruction is a processor instruction that directs the processor to pass control of the computer to the operating system's supervisor program.
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Microsoft Windows Server LTSC (Long-Term Servicing Channel)
Microsoft Windows Server LTSC (Long-Term Servicing Channel) is one of the servicing options available for users of the Windows Server operating system (OS).
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boot loader (boot manager)
A boot loader (boot manager) is a small program that places the operating system (OS) of a computer into memory.
Storage Admin
Terms related to data storage management, including definitions about enterprise storage and words and phrases about storage infrastructure, storage capacity and hierarchical storage management (HSM).
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What is bit rot?
Bit rot is the slow deterioration in the performance and integrity of data stored on storage media.
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What is Ceph?
Ceph is an open source software solution that provides a unified system for enterprise-level object, block- and file-based storage.
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What is ZFS?
ZFS is a local file system and logical volume manager created by Sun Microsystems to direct and control the placement, storage and retrieval of data in enterprise-class computing systems.
Storage and Data Mgmt
Definitions about storage and data management including backup/recovery vocabulary, business intelligence terminology, storage area networks and database management.
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What is U.2 SSD (formerly SFF-8639)?
A U.2 SSD is a high-performance data storage device designed to support the Peripheral Component Interconnect Express (PCIe) interface using a small form factor (SFF) connector that is also compatible with standard SAS and SATA-based spinning disks and solid-state drives (SSDs).
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What is bit rot?
Bit rot is the slow deterioration in the performance and integrity of data stored on storage media.
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What is parity in computing?
In computers, parity (from the Latin paritas, meaning "equal or equivalent") is a technique that checks whether data has been lost or written over when it is moved from one place in storage to another or when it is transmitted between computers.
Virtualization
Terms related to virtualization, including definitions about virtualization technologies and words and phrases about server virtualization, desktop virtualization and storage virtualization.
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What is Dell EMC?
Dell EMC is an American multinational technology company that offers products and services across all areas of computing, networking and storage.
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white box server
A white box server is a data center computer that is not manufactured by a well-known name-brand vendor.
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Linux Secure Boot
Linux Secure Boot is a Hyper-V feature that Microsoft introduced in Windows 10 and Windows Server 2016. The feature allows specific Linux distributions to boot properly when running in Hyper-V generation 2 virtual machines.