Cloud Technical Glossary: Difference between revisions

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Cloud Technical Glossary (view source)

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! Description
! Description
|-
|-
|'''APACHE'''  
|'''Apache HTTP Server'''  
|A software for running a webserver
|A web server software. See https://en.wikipedia.org/wiki/Apache_HTTP_Server.
|-
|-
|'''CALM/Cloud account lifecycle management'''
|'''CALM'''
| Cloud lifecycle management
| '''Cloud Account Lifecycle Management'''. Our process for managing the allocation of cloud resources.
|-
|-
|'''CEPH'''  
|'''Ceph'''  
|Distributed data storage platform, our standard storage software on the cloud
|Distributed data storage platform, our standard storage software on the cloud.
|-
|-
|'''[[Arbutus_CephFS|CEPHFS]]/CEPH File System'''  
|'''[[Arbutus_CephFS|CephFS]]'''
| CEPH storage that can be mounted for e.g. data sharing on multiple instances/VMs
| '''Ceph File System''', or a file system with Ceph storage, which allows data sharing on multiple instances (virtual machines, VM). Currently only available in the Arbutus cloud. https://docs.ceph.com/en/latest/cephfs/
|-
|-
|'''Compute Cloud'''
|'''compute cloud'''
| A flavour of instances/VMs which will be running for a limited time and may have high CPU/memory requirements during the entire lifespan
| A RAS allocation type, corresponding to a cloud quota to use compute type flavors intended for iInstances (virtual machines, VMs) which will be running for a limited time and may require more CPUs or memory (RAM) during their entire lifespan. Flavors have labels beginning with “c”.
|-
|-
|'''[[CVMFS|CVMFS]]'''  
|'''[[CVMFS|CVMFS]]'''  
|A distributed read-only content distribution system, often used for managing software
|'''CernVM-File System'''. A distributed read-only content distribution system often used for managing software.
|-
|-
|'''Dashboard'''  
|'''ephemeral disk'''
|The web portal, named "Horizon" for our OpenStack clouds, for viewing and managing a user's cloud resources
| Virtual disk which is created and destroyed along with an instance (virtual machine, VM).
|-
|-
|'''Ephemeral disk'''
|'''flavour'''  
| Virtual disk files, associated (and destroyed) with an instance/VM.
|The [[OpenStack|OpenStack]] term for a predefined specification of the  compute, memory, and storage capacity of a new instance (virtual machine, VM).
|-
|-
|'''Flavour'''
|'''floating IP'''
|The [[OpenStack|OpenStack]] term for defining the compute, memory, and storage capacity of a new instance/VM
| An IP address that can be associated with an instance (virtual machine, VM) to allow external access.
|-
|'''Floating IP'''
| An IP address that can be associated with an instance/VM to allow external access
|-
|'''[[FTP_server_in_CC-Cloud|FTP]]'''
| An obsolete file transfer protocol (should not be used for new deployments)
|-
|-
|'''Horizon'''
|'''Horizon'''
| See "dashboard"
| The dashboard for OpenStack clouds that can be used for viewing and managing a user's cloud resources. https://docs.openstack.org/horizon/latest/
|-
|-
|'''Host'''  
|'''host'''  
|The physical resources supporting an instance/VM
|The physical resources supporting an instance (VM, virtual machine).
|-
|-
|'''[[OpenStack/en#Working_with_images|Image]]'''
|'''[[OpenStack/en#Working_with_images|image]]'''
| Files which contain the contents of a virtual disk, often a base operating system in the creation of a volume or ephemeral disk
| Short for "Virtual disk image". The cloud platform provides a set of prepared base operating system images. An image is used to create a new boot volume or ephemeral disk when launching a new instance.
|-
|-
|'''Instance'''
|'''instance'''
| A virtual server in the cloud infrastructure. Also known as a Virtual Machine (VM)
| A virtual server in the cloud infrastructure. Also known as a Virtual Machine (VM).
|-
|-
|'''[[Using_ipv6_in_cloud|IPV6]]/Internet Protocol Version 6'''
|'''[[Using_ipv6_in_cloud|IPV6]]'''
| Latest version of the internet protocol, increasing the number of available IP addresses for devices
| '''Internet Protocol version 6''', a communications protocol and successor to IPv4. https://en.wikipedia.org/wiki/IPv6
|-
|-
|'''[[Arbutus_Object_Storage|Object Storage]]'''
|'''[[Arbutus_Object_Storage|object storage]]'''
| Persistent storage space for large amounts of data. Typically read access only, e.g. images and data sets
| Persistent storage space for large amounts of data. Typically read access only, e.g. images and data sets.
|-
|-
|'''[[OpenStack|OpenStack]]'''
|'''[[OpenStack|OpenStack]]'''
| The software suite used on Compute Canada clouds to control hardware resources such as computers, storage and networking
| The software suite used on our clouds to control hardware resources such as computers, storage and networking.
|-
|-
|'''Persistent Cloud'''
|'''persistent cloud'''
| An instance/VM anticipated to run indefinitely, such as web servers, database servers, etc. Typically has low or bursty CPU requirements
| A RAS allocation type for persistent instances (virtual machines, VMs) that are expected to run indefinitely and have low or bursty CPU requirements. Flavors have labels beginning with p*
|-
|-
|'''[https://alliancecan.ca/en/services/advanced-research-computing/research-portal/accessing-resources/rapid-access-service RAS/Rapid Access Service]'''  
|'''[https://alliancecan.ca/en/services/advanced-research-computing/research-portal/accessing-resources/resource-allocation-competitions RAC]'''  
|Program allowing PI's to request and receive a given amount of Cloud resources
| '''Resource Allocation Competitions'''. Program via which PIs can request storage and compute resources beyond what can be obtained via the Rapid Access Service (RAS).
|-
|-
|'''[https://alliancecan.ca/en/services/advanced-research-computing/research-portal/accessing-resources/resource-allocation-competitions RAC/Resource Allocation Competition]'''  
|'''[https://alliancecan.ca/en/services/advanced-research-computing/research-portal/accessing-resources/rapid-access-service RAS]'''  
| Program via which PIs can request additional resources
|'''Rapid Access Service'''. Service by which Principal Investigators can request a modest amount of storage and cloud resources without having to apply to the Resource Allocation Competitions (RAC).
|-
|-
|'''S3/Simple Storage Service'''
|'''S3'''
|A type of object storage
|'''Simple Storage Service'''. A type of object storage. https://en.wikipedia.org/wiki/Amazon_S3.
|-
|-
|'''[[OpenStack/en#Security_Groups|Security Group]]'''
|'''[[OpenStack/en#Security_Groups|security group]]'''
| A set of rules controlling network traffic to and from an instance/VM  
| A group of rules controlling network traffic to and from an instance (virtual machine, VM). A security rule can be applied as a whole to one or more instances.
|-
|-
|'''Snapshot'''  
|'''snapshot'''  
| A copy of a volume that can be used as a backup or to launch another instance/VM
| A copy of a volume that can be used as a backup or to launch another instance (virtual machine, VM).
|-
|-
|'''SSL/Secure Sockets Layer'''
|'''SSL'''
| Protocol to allow encrypted communications over networks
| '''Secure Sockets Layer'''. A protocol to allow encrypted communications over networks. SSL is now deprecated, and should be replaced by TLS (Transport Layer Security) wherever possible.
|-
|-
|'''[[Using_swift|SWIFT]]'''
|'''[[Using_swift|SWIFT]]'''
|Another type of object storage
|Another type of object storage. https://wiki.openstack.org/wiki/Swift
|-
|-
|'''Tenant'''  
|'''tenant'''  
|A group or user's allocation of cloud resources (now called a Project)
|A group or user's allocation of cloud resources (now called a Project).
|-
|-
|'''VCPU/Virtual central processing unit'''
|'''TSL'''
| An instance/VM can have one or more CPUs assigned to it, each of which is seen as a single physical CPU core by the operating system
|'''Transport Layer Security'''. The successor of SSL (Secure Sockets Layer). https://en.wikipedia.org/wiki/Transport_Layer_Security
|-
|-
|'''VGPU/Virtual graphics processing unit'''  
|'''VCPU'''
| An instance/VM can have one or more VGPUs assigned to it
| '''Virtual central processing unit.''' An instance (virtual machine, VM) can have one or more CPUs assigned to it, each of which is seen as a single physical CPU core by the operating system.
|-
|-
|'''[[OpenStack/en#Working_with_Volumes|Volume]]'''
|'''VGPU'''
| '''Virtual graphics processing unit.''' An instance (virtual machine, VM) can have one or more VGPUs assigned to it.
|-
|'''virtual machine'''
| See "instance."
|-
|'''[[OpenStack/en#Working_with_Volumes|volume]]'''
| An allocation of storage resources that can be attached or detached to/from an instance/VM, exposed as a block device (a virtual disk)
| An allocation of storage resources that can be attached or detached to/from an instance/VM, exposed as a block device (a virtual disk)
|-
|'''VM/Virtual Machine'''
| See "instance"
|}
|}
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[[Category:CC-Cloud]]
[[Category:CC-Cloud]]
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