Persistent Scalable Volumes
Symphony includes comprehensive block storage and object storage functionality; designed to be extremely scalable, agile and flexible, while fully compatible with the requirements of cloud computing. The storage is native to the hypervisor, to reduce latency and overhead, and to increase throughput. The distributed, high-performance storage service stripes all I/O across each available storage device in the rack, such as HDDs and flash devices, to assure durability in case of failure. Storage functionality can be extended to take advantage of existing storage assets that already exist in the data center.
Allows to persist application data on built in storage or external storage appliances
Data High Availability
Data is replicated across multiple nodes within cluster for safety and durability in case of disk or server failure
Stripes all I/O across each available storage device in the cluster
Cost reduction by using hyperconverged storage. Enables leveraging existing investments by adding storage appliances to the pool
Storage Backend Abstraction
Transparently use storage pools from different backends (Hyperconverged, SAN, iSCSI, NFS appliances) to provide storage to the application.
All volumes are accessible from all the servers, enabling any node in the cluster to use the hyperconverged storage even on nodes that do not have local disks.
Only actually written data consumes storage space.
Frequently accessed data blocks are automatically placed on lowest latency devices.
Among all the nodes in the system, eliminating performance bottlenecks.
Space-Efficient Snapshots and Clones
Volume-centric thin snapshots and clones preserve just delta between source volume and its snapshots.
Easy to Use
Minimal configuration for volume deployment.
Admins can allocate storage capacity to tenants, monitor consumption and adjust quota as demand changes.
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