Details
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New Feature
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Status: Open
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Major
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Resolution: Unresolved
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Security Level: Public (Anyone can view this level - this is the default.)
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Description
The objective of this API is to enable storage vendor side snapshots of virtual disk when using managed hardware as Primary Storage. When using the Primary storage plugins such as SolidFire vendor, each virtual disks is a LUN on the storage array. Using the storage array snapshot capability benefits for performance and features sets supported by the storage vendor.
StorageSnapshot does not fit in the VolumeSnapshot API because it would not perform the same tasks, a Volume Snapshot use the hypervisor capability to create a volume snapshot then extract it and archive it into the secondary storage. The intent of a StorageSnapshot is to perform a snapshot at the hardware vendor level, and keep it there for rollback purposes and disk cloning. StorageSnapshot is more aligned with the VMsnapshot API capability but is intent to be per virtual disk basis.
Design Spec: https://cwiki.apache.org/confluence/display/CLOUDSTACK/StorageSnapshot++API
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