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.
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.