Term
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Definition
When you power on a virtual machine, the system checks the amount of
CPU and memory resources that are not yet reserved. Based on the available
unreserved resources, the system determines whether it can guarantee the
reservation for which the virtual machine is configured. |
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Term
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Definition
A notification that is activated in response to an event, a set of conditions, or
the state of an inventory object. |
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Term
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Definition
| The original virtual hard disk from which a virtual machine is derived. |
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Term
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Definition
A notification that is activated when an object or group of objects exhibits
symptoms that are unfavorable for your environment. |
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Term
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Definition
In hosted products, a type of network connection between a virtual machine
and the physical network of the host. With bridged networking, a virtual
machine appears to be an additional computer on the same physical Ethernet
network as the host. |
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Term
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Definition
| A group of servers that host virtual machines in a virtual environment. |
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Term
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Definition
vCenter Server capability of hiding certain CPU features from the virtual
machine and potentially preventing migrations with vSphere vMotion from
failing due to incompatible CPUs. |
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Term
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Definition
container for all the vCenter Server inventory objects required to complete
a fully functional environment for operating virtual machines. |
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Term
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Definition
A disk that represents the difference between the current state of the virtual
disk and the state that existed when the delta disk was created. Virtual
machine snapshot and linked-clone technologies use delta disks. |
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Term
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Definition
The default disk type for virtual machine disk (VMDK) files. When a
snapshot of a virtual machine is taken, all its dependent disks are included in
the snapshot. |
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Term
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Definition
A port on a distributed switch that connects to the VMkernel in a host or to a
network adapter in a virtual machine. |
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Term
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Definition
A port group that is associated with a distributed switch and that specifies
port configuration options for each member port. Distributed port groups
define how a connection is made through a distributed switch to the
network. |
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Term
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Definition
A virtual networking device that is created and managed at the vCenter
Server level. |
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Term
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Definition
| An operating system that runs in a virtual machine. |
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Term
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Definition
A physical computer that uses virtualization software to run virtual
machines. Also called the host computer, host machine, or host system. |
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Term
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Definition
Software that performs actions on behalf of a remote client when that
software is installed on a virtual machine host. |
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Term
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Definition
| An operating system that runs on the host machine. |
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Term
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Definition
A type of virtual disk that is excluded from any snapshots taken of its virtual
machine. You can configure independent disks in persistent and
nonpersistent disk modes. |
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Term
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Definition
A copy of a virtual machine that shares virtual disks with the parent virtual
machine in an ongoing manner. |
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Term
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Definition
The process of moving a virtual machine from one host or storage location to
another. |
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Term
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Definition
n independent disk mode in which all disk writes that are issued by the
software running in a virtual machine are written to the independent disk.
These disk writes are discarded after the virtual machine is powered off. As a
result, a virtual disk or physical disk in independent nonpersistent disk
mode is not modified by activity in the virtual machine. |
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Term
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Definition
An independent disk mode in which all disk writes that are issued by the
software running in a virtual machine are immediately and permanently
written to a virtual disk that is configured as an independent disk. As a
result, a virtual disk or physical disk in independent persistent disk mode
behaves like a conventional disk drive on a physical computer. |
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Term
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Definition
A construct for configuring virtual network options such as bandwidth
limitations and VLAN tagging policies for each member port. |
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Term
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Definition
The data center that contains the virtual machines used to replicate data to
the recovery site. |
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Term
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Definition
A group of virtual machines that are protected in the case of disaster
recovery. Virtual machines in a protection group are failed over together to
the recovery site. |
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Term
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Definition
Bringing the data that is on the disk of a physical or virtual computer into a
consistent state that is suitable for backups. |
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Term
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Definition
The data center that contains the recovery virtual machines and applications
that continue to operate when the protected site is unavailable. The recovery
site supports critical business needs. |
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Term
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Definition
A placeholder for a protected virtual machine. Placeholders represent the
virtual machines that are replicated from the protected site. |
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Term
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Definition
A logical abstraction of hierarchically managed CPU and memory resources.
An administrator uses a resource pool to divide and allocate resources to
virtual machines and other resource pools. |
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Term
| software-defined data center (SDDC) |
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Definition
A collection of business processes, organizational structures, and
technologies that deliver end-to-end cloud computing services. |
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Term
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Definition
| A virtual networking device that is created and managed at the individual host level. |
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Term
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Definition
Software that abstracts and aggregates physical storage from a physical disk
or storage array to support the storage needs of physical and virtual hosts
and virtual machines. |
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Term
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Definition
A set of files that a guest operating system identifies as a physical disk drive.
Also called VMDK. |
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Term
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Definition
A software computer that, like a physical computer, runs an operating
system and applications. Multiple virtual machines can operate concurrently
on a single host system. |
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Term
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Definition
A software container that presents logical network services to connected
workloads. |
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Term
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Definition
The ESXi hypervisor. The VMkernel provides a virtualization layer that
abstracts the processor, memory, storage, and networking resources of the
physical host and allocates them to multiple virtual machines. |
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Term
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Definition
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Term
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Definition
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Term
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Definition
| International Organization for Standardization |
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Term
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Definition
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Term
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Definition
| The vSphere Hypervisor from VMware. For extra trivia points, know that Elastic Sky was the original proposed name of the hypervisor. |
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Term
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Definition
internet Small Computer Systems Interface
An Internet Protocol (IP)-based storage networking standard for linking data storage facilities. It provides block-level access to storage devices by carrying SCSI commands over a TCP/IP network. |
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Term
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Definition
Virtual Machine File System
for ESXi hosts, a clustered file system for running VMs. |
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Term
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Definition
| Drive type for local disks (also SATA). |
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Term
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Definition
Fibre Channel over Ethernet
a networking and storage technology. |
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Term
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Definition
Host Bus Adapter
for Fibre Channel storage networks. |
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Term
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Definition
Input/Outputs Per second
detailed measurement of a drive's performance. |
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Term
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Definition
| A point-in-time representation of a VM. |
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Term
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Definition
Asymmetrical logical Unit Access
a storage array feature. |
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Term
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Definition
Non-Uniform Memory Access
when multiple processors are involved their memory access is relative to their location. |
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Term
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Definition
| Virtualizes NUMA with VMware hardware version 8 VMs. |
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Term
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Definition
Logical Unit Number
identifies shared storage (Fibre Channel/iSCSI). |
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Term
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Definition
Physical (mode) Raw Device Mapping
presents a LUN directly to a VM. |
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Term
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Definition
virtual (mode) Raw Device Mapping
encapsulates a path to a LUN specifically for one VM in a VMDK. |
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Term
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Definition
Storage Area Network
a shared storage technique for block protocols (Fibre Channel/iSCSI). |
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Term
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Definition
Network Attached Storage
a shared storage technique for file protocols (NFS). |
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Term
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Definition
Network File System
a file-based storage protocol. |
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Term
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Definition
Direct Attached Storage
disk devices in a host directly. |
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Term
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Definition
vStorage APIs for Array Integration
the ability to offload I/O commands to the disk array. |
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Term
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Definition
Solid State Disk
a non-rotational drive that is faster than rotating drives. |
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Term
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Definition
Virtual Storage Area Network
a new VMware announcement for making DAS deliver SAN features in a virtualized manner. |
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Term
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Definition
virtual Switch
places VMs on a physical network. |
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Term
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Definition
vNetwork Distributed Switch
an enhanced version of the virtual switch. |
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Term
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Definition
| Administrative interface of vCenter Server. |
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Term
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Definition
| Web-based administrative interface of vCenter Server. |
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Term
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Definition
| Feature to deploy a pre-determined configuration to an ESXi host. |
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Term
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Definition
| Technique to automatically install ESXi to a host. |
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Term
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Definition
vSphere Update Manager
a way to update hosts and VMs with latest patches, VMware Tools and product updates. |
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Term
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Definition
vSphere Command Line Interface
allows tasks to be run against hosts and vCenter Server. |
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Term
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Definition
vSpher High Availability
will restart a VM on another host if it fails. |
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Term
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Definition
| Heartbeat Will keep the vCenter Server available in the event a host fails which is running vCenter. |
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Term
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Definition
| A pre-packed VM with an application on it. |
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Term
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Definition
| Server application that runs vSphere. |
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Term
| vCSA Virtual appliance edition of vCenter Server. |
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Definition
virtual Center Server Appliance
Virtual appliance edition of vCenter Server. |
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Term
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Definition
| Application to pool vCenter environments and enable self-deployment of VMs. |
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Term
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Definition
virtual Cloud Automation Center
vCloud Automation Center: IT service delivery through policy and portals, get familiar with vCAC. |
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Term
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Definition
vSphere APIs for Data Protection
a way to leverage the infrastructure for backups. |
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Term
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Definition
Managed Object Reference
a technique vCenter uses to classify every item. |
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Term
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Definition
| Domain Name Service, a name resolution protocol. Not related to VMware, but it is imperative you set DNS up correctly to virtualize with vSphere. |
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Term
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Definition
| Collection of VMs, ESXi hosts, and vCenter Server. |
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Term
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Definition
| The administrative interface you want to use for troubleshooting if you can't use the vSphere Client or vSphere Web Client. |
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Term
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Definition
| A way of pooling vCenter Servers, typically across geographies. |
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Term
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Definition
| A VM migration technique. |
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Term
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Definition
| A VM storage migration technique from one datastore to another. |
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Term
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Definition
vSphere Distributed Resource Scheduler
service that manages performance of VMs. |
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Term
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Definition
vSphere Storage Distributed Resource Scheduler
manages free space and datastore latency for VMs in pools. |
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Term
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Definition
vSphere Storage Distributed Resource Scheduler Cluster
A collection SDRS objects (volumes, VMs, configuration). |
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