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From Prasanna Santhanam <>
Subject Re: [DIscuss]Storage image store plugin framework refactoring
Date Tue, 09 Apr 2013 08:59:01 GMT
On Mon, Apr 08, 2013 at 04:45:23PM -0700, Min Chen wrote:
> Hi All,
> Currently CloudStack does not offer a flexible pluggable framework
> for users to easily integrate and configure any 3rd-party object
> stores for such backup services as registering templates, taking
> snapshots, etc. Along with Edison's recent refactored storage
> subsystem 2.0 that mainly refactored current CloudStack primary
> storage implementation,  we are proposing to develop a storage
> backup object store plugin framework to allow CloudStack to
> systematically manage and configure various types of backup data
> stores from different vendors, like NFS, S3, Swift, etc. With this
> new plugin framework, we would like to achieve following
> functionalities:

> 1. Support different object store providers in a uniform and
> pluggable fashion.
> 2. Enable region wide object backup using S3-like object store.
> 3. Provide pluggable data motion strategies to handle data transfer
> from one data store to another data store.
> 4. Provide a scalable cache storage framework while moving data
> between primary storage and backup storage for certain hypervisor
> needs.
> 5. Support flexible combinations of primary storage, secondary
> storage and hypervisors, such as (NFS, NFS, Xen), (NF3, S3, Vmware),
> (ISCSI, Swift, KVM), ?., etc.
> The proposed ImageStore plugin framework architecture is detailed in
> our FS here:
> The JIRA ticket to track this feature is:
> The work is
> currently carried out in feature branch  "object_store".
> Please let me know your comments and suggestions.

Perhaps it is too early to ask, will there be a reference
implementation done for any object store solutions as part of the


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