Glossary¶
- Bash
- bourne shell command variation, one of the UNIX shell variants.
- CIDR (Classless Inter-Domain Routing)
- method of IP addressing that allows to flexibly manage IP address space without using a rigid framework of class address.
- Deduplication
- compression method in which duplicated data is removed from the DSS.
- DC (datacenter)
- area for hosting company servers; ensures uninterrupted, fast and efficient processing of large amounts of data.
- DSS (data storage system)
- software and hardware solution for storing and accessing data (it can be a part or a basis of DC).
- ESXi
- independent hypervisor that performs physical software emulation.
- Failover
- restoring of a customer system to a backup component of a computer system or network in case of failure or malfunction.
- Hyper-V
- server virtualization technology that allows multiple virtual OS to run on a single physical server.
- Migration
- spinning up of a customer system on a target platform (AWS or KVM platform).
- msi-installator
- subsystem of Microsoft Windows that provides installation of programs.
- OpenStack
- software for creating cloud services and storage.
- Replication
- synchronization of contents of multiple copies of a machine.
- vCPU
- virtual central processing unit.
- VMware
- virtualization software that allows user to install one or more virtual machines on a single physical computer and run these machines in parallel with it.
- VMware Tools
- set of utilities that improves interaction between a virtual machine and a cloud platform, increases performance of an operating system within a virtual machine and also improves management functions of a VM.
- VMware quiesce
- “freeze” mechanism used to create a backup to ensure integrity of a virtual machine (pausing processes inside of a virtual machine to flush data stored in cache or in RAM, which allows to create a disk with a fully consistent filesystem).
- vSphere
- set of VMware products designed for DC virtualization.