Cloud Technical Glossary: Difference between revisions

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Cloud Technical Glossary (view source)

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| The distributed data storage platform for our clouds; includes volume storage.
| The distributed data storage platform for our clouds; includes volume storage.
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|-
|'''[[Arbutus_CephFS|CephFS]]'''  
|'''[[Arbutus_CephFS|CephFS]]''' (Ceph File System)
| 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/
| A filesystem with Ceph storage, which allows data to be mounted simultaneously on multiple instances. Currently only available with Arbutus. See https://docs.ceph.com/en/latest/cephfs/.
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|'''cloud'''
|'''cloud'''
| A pool of hardware supporting virtualization. This can be thought of as Infrastructure as a Service (IaaS).  
| When referring to our cloud services, short form of ''IaaS cloud''.  
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|-
|'''compute cloud'''
|'''compute cloud'''
| An allocation type, corresponding to a cloud quota to use compute type flavors intended for instances (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”.
| Type of resource allocated to support OpenStack instances intended to run for a limited time, usually with a very high sustained usage of CPU and memory. Flavours for these resources have labels beginning with c*. Currently only available on Arbutus, Béluga and Cedar. Compare with ''persistent cloud''.
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|'''[[CVMFS|CVMFS]]'''  
|'''[[CVMFS|CVMFS]]''' (CernVM File System)
|A distributed read-only content distribution system often used for managing software. https://docs.alliancecan.ca/wiki/CVMFS
|A read-only content distribution system often used to manage software. See https://docs.alliancecan.ca/wiki/CVMFS.
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|'''ephemeral local disk'''
|'''ephemeral local disk'''
| Virtual disk which is created and destroyed along with an instance (virtual machine, VM). An ephemeral disk is created when a virtual machine is launched without the specification of a volume.
| Virtual disk which is created and destroyed along with an OpenStack instance. An ephemeral disk is created when an instance is launched without the specification of a volume.
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|'''flavour'''  
|'''flavor'''  
|The [[OpenStack|OpenStack]] term for a predefined specification of the  compute, memory, and storage capacity of a new instance (virtual machine, VM).
|OpenStack term for a predefined specification of a new instance. A flavor can define sizes for RAM, disk, number of cores, and so on.
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|'''floating IP'''
|'''floating IP'''
| An IP address that can be associated with an instance (virtual machine, VM) to allow external access.
| Internet Protocol address that can be associated with an OpenStack instance to allow external access.
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|-
|'''Horizon'''
|'''Horizon'''
| The dashboard for OpenStack clouds that can be used for viewing and managing a user's cloud resources. https://docs.openstack.org/horizon/latest/
| A dashboard for OpenStack clouds that is used for viewing and managing cloud resources through a Web browser. See https://docs.openstack.org/horizon/latest/.
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|-
|'''host'''  
|'''host'''  
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