Translations:Working with volumes/1/en: Difference between revisions

Importing a new version from external source
(Importing a new version from external source)
 
(Importing a new version from external source)
 
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A volume provides storage which is not destroyed when a VM is terminated. On our clouds, volumes use [https://en.wikipedia.org/wiki/Ceph_(software) Ceph] storage with either a 3-fold replication factor or [https://en.wikipedia.org/wiki/Erasure_code erasure codes] to provide safety against hardware failure. On [[Cloud_resources|Arbutus]] the ''Default'' volume type uses erasure codes to provide data safety while reducing the extra storage costs of 3-fold replication while the ''OS or Database'' volume type still uses the 3-fold replication factor. More documentation about OpenStack volumes can be found [https://docs.openstack.org/cinder/latest/cli/cli-manage-volumes.html here]
A volume provides storage which is not destroyed when a VM is terminated. On our clouds, volumes use [https://en.wikipedia.org/wiki/Ceph_(software) Ceph] storage with either a 3-fold replication factor or [https://en.wikipedia.org/wiki/Erasure_code erasure codes] to provide safety against hardware failure. On [[Cloud_resources|Arbutus]], the <i>Default</i> volume type uses erasure codes to provide data safety while reducing the extra storage costs of 3-fold replication while the <i>OS or Database</i> volume type still uses the 3-fold replication factor. More documentation about OpenStack volumes can be found [https://docs.openstack.org/cinder/latest/cli/cli-manage-volumes.html here].
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