Cloud storage options: Difference between revisions
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* '''[[OpenStack#Working_with_Volumes | Volume storage]]''': The standard storage unit for cloud computing | * '''[[OpenStack#Working_with_Volumes | Volume storage]]''': The standard storage unit for cloud computing; can be attached to and detached from an instance. | ||
* '''Ephemeral/Disk storage''': Virtual local disk storage tied to the lifecycle of a single instance. | * '''Ephemeral/Disk storage''': Virtual local disk storage tied to the lifecycle of a single instance. | ||
* '''[[ Arbutus_Object_Storage | Object storage]]''': Non-hierarchical storage where data is created or uploaded in whole file-form | * '''[[ Arbutus_Object_Storage | Object storage]]''': Non-hierarchical storage where data is created or uploaded in whole file-form | ||
* '''[[Arbutus_CephFS | Shared file system storage]]''': Storage in the cloud shared | * '''[[Arbutus_CephFS | Shared file system storage]]''': Storage in the cloud shared filesystem; must be configured on each instance where it is mounted. | ||
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{| class="wikitable sortable" | {| class="wikitable sortable" | ||
! Attribute !! Volume storage !! Ephemeral/Disk storage !! Object storage !! Shared | ! Attribute !! Volume storage !! Ephemeral/Disk storage !! Object storage !! Shared filesystem storage | ||
|- | |- | ||
| | | Default storage option || Yes || Yes || No || No | ||
|- | |- | ||
| Can | | Can be mounted on a single VM || Yes || Yes || No || Yes | ||
|- | |- | ||
| Can be mounted on multiple VMs (and across projects) simultaneously || No || No || No || Yes | | Can be mounted on multiple VMs (and across projects) simultaneously || No || No || No || Yes | ||
| Line 30: | Line 30: | ||
| Suitable for data/files that change frequently || Yes || Yes || No || Yes | | Suitable for data/files that change frequently || Yes || Yes || No || Yes | ||
|- | |- | ||
| Hierarchical | | Hierarchical filesystem || Yes || Yes || No || Yes | ||
|- | |- | ||
| Suitable for long-term storage || Yes || No || Yes || No | | Suitable for long-term storage || Yes || No || Yes || No | ||
Revision as of 14:58, 30 September 2022
The existing storage types available in our clouds are:
- Volume storage: The standard storage unit for cloud computing; can be attached to and detached from an instance.
- Ephemeral/Disk storage: Virtual local disk storage tied to the lifecycle of a single instance.
- Object storage: Non-hierarchical storage where data is created or uploaded in whole file-form
- Shared file system storage: Storage in the cloud shared filesystem; must be configured on each instance where it is mounted.
Attributes of each storage type are compared in the following table:
| Attribute | Volume storage | Ephemeral/Disk storage | Object storage | Shared filesystem storage |
|---|---|---|---|---|
| Default storage option | Yes | Yes | No | No |
| Can be mounted on a single VM | Yes | Yes | No | Yes |
| Can be mounted on multiple VMs (and across projects) simultaneously | No | No | No | Yes |
| Backed up | No | No | No | Yes |
| Suitable for write once, read only, and public access | No | No | Yes | No |
| Suitable for data/files that change frequently | Yes | Yes | No | Yes |
| Hierarchical filesystem | Yes | Yes | No | Yes |
| Suitable for long-term storage | Yes | No | Yes | No |
| Deleted automatically upon deletion of VM | No | Yes | No | No |
| Standard magnitude of allocation | GB | GB | TB | TB |