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Working with volumes/fr: Difference between revisions
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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 ''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] | ||
=Création d'un volume= | |||
[[File:Creating_a_volume_FR.png|300px|thumb| Créer un volume (cliquez pour agrandir)]] | [[File:Creating_a_volume_FR.png|300px|thumb| Créer un volume (cliquez pour agrandir)]] | ||