Datadirect Networks, Inc.

Thomas E Fugini

Michael Piszczek

Pavan Kumar Uppu

William Joseph Harker

Jason Micah Cope

John Gordon Manning

Cedric T Fernandes

Dave Fellinger

Lee Douglas McBryde

Manjari Mishra

Shivkumar Pandit

John Albert De Leon

Variable Redundancy Distributed (VRD) RAID controller in a data storage environment contains embedded RAID logic permitting to choose and compute a desired redundancy coding scheme from a plurality thereof pre-programmed and embedded in a Compute Engine in the VRD RAID controller. 'Write' or 'Read' requests which are received from data generating entities, contain information identifying a type of the redundancy coding scheme of interest. The controller decodes the request, and automatically applies the desired computation to the incoming data without burdening the CPU with the computational activity. The variable redundancy computational ability of the subject systems provides an extremely versatile and flexible tool for RAID operations.

Data storage system employing a variable redundancy distributed RAID controller with embedded RAID logic and method for data migration between high-performance computing architectures and data storage devices using the same

In the data storage system the storage area network performs XOR operations on incoming data for parity generation without buffering data through a centralized RAID engine or processor. The hardware for calculating the XOR data is distributed to incrementally calculate data parity in parallel across each data channel and may be implemented as a set of FPGAs with low bandwidths to efficiently scale as the amount of storage memory increases. A host adaptively appoints data storage controllers in the storage area network to perform XOR parity operations on data passing therethrough. The system provides data migration and parity generation in a simple and effective matter and attains a reduction in cost and power consumption.

Data storage system and method for data migration between high-performance computing architectures and data storage devices using storage controller with distributed XOR capability

Distributed Compute Engine (DCE) memory controller in a data storage environment contains embedded logic and arithmetic functionality for Boolean logical and arithmetic operations. 'Write' or 'Read' requests which are received from data generating entities, contain a Physical Address field identifying an address of a data block to be retrieved from the external memory, and a Control bits field identifying a type of computational operation to be performed. The DCE memory controller decodes the request, and applies the desired compute operation autonomically to the contents of an external memory and/or the incoming data without burdening the CPU with the computational activity.

Data storage system employing a distributed compute engine memory controller with embedded logic and arithmetic functionality and method for data migration between high-performance computing architectures and data storage devices using the same

The present data storage system employs a memory controller with embedded logic to selectively XOR incoming data with data written in the memory to generate XOR parity data. The memory controller automatically performs XOR operations on incoming data based upon the address range associated with the memory 'write' request. The system provides data migration and parity generation in a simple and effective manner and attains reduction in cost and power consumption. The memory controller may be built on the basis of FPGAs, thus providing an economical and miniature system.

Data storage system and method for data migration between high-performance computing architectures and data storage devices using memory controller with embedded XOR capability

A system for data migration between high performance computing architectures and data storage disks includes an intermediate data migration handling system which has an intermediate data storage module coupled to the computer architecture to store data received, and a data controller module which includes data management software supporting the data transfer activity between the intermediate data storage module and the disk drives in an orderly manner independent of the random I/O activity of the computer architecture. RAID calculations are performed on the data prior to storage in the intermediate storage module, as well as when reading data from it for assuring data integrity, and carrying out reconstruction of corrupted data. The data transfer to the disk drives is actuated in sequence determined by the data management software based on minimization of seeking time, tier usage, predetermined time since the previous I/O cycle, or fullness of the intermediate data storage module. The storage controller deactivates the disk drives which are not needed for the data transfer.

System and method for data migration between high-performance computing architectures and data storage devices with increased data reliability and integrity

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Mt. Airy, MD, United States of America

Thomas E Fugini