Patent ID: 7757013
Filing Date: 2010-07-13
Classification: G06F

Abstract:
1. A method for controlling performance of a data storage system comprising: selecting, as a first part of an interactive dialogue, a policy including one or more I/O classes each representing a logical grouping of I/O requests received at the data storage system; monitoring, as a second part of said interactive dialogue, performance of said data storage system for each I/O class included in said policy without enforcing said policy; setting, as a third part of said interactive dialogue, at least one performance goal associated with one of said I/O classes; and running said policy as a fourth part of said interactive dialogue, said running causing enforcement of said policy on said data storage system in accordance with said at least one performance goal, wherein said enforcement affects allocation of resources of said data storage system in connection with servicing I/O requests received at said data storage system.