Emc IP Holding Company LLC

Dell Products Inc.

James McCoy

Philippe Armangau

Vamsi K Vankamamidi

Christopher Alan Seibel

Maher Kachmar

Socheavy D Heng

Yubing Wang

Michael P Wahl

Christopher Jones

A technique for scheduling tasks in a storage system includes predicting excess capacity of processing resources over a known interval of time and determining a quantity of credit based on the predicted capacity. The technique further includes holding back a requested increase in the priority of one or more speed-noncritical tasks by consuming a portion of the credit and thus allowing one or more speed-critical tasks to run with undiminished access to the processing resources.

Credit-based scheduling using load prediction

A method, computer program product, and computing system for defining a token pool size for a storage system token pool associated with a storage system. An input/output (IO) processing load for the storage system may be determined. The token pool size for the storage system token pool associated with the storage system may be dynamically adjusted based upon, at least in part, one or more changes in the IO processing load determined for the storage system.

System and method for dynamically adjusting priority-based allocation of storage system resources

A data storage system in which a transaction is generated that indicates at least one data block of a logical volume to be written to non-volatile data storage of a data, and in which the logical volume is accessible to multiple nodes in the data storage system. A system-wide lock is obtained for each data block indicated by the transaction. A new generation identifier is then created that is equal to a last transaction identifier that was created and stored during processing of a previously completed transaction. Each data block indicated by the transaction is stored into the non-volatile data storage of the data storage system together with the new generation identifier and the last transaction identifier is updated before each system-wide lock on each data block indicated by the transaction is released.

Generating and storing monotonically-increasing generation identifiers

Growing community of inventors

Holliston, MA, United States of America

James McCoy