| Patent Number |
Title Of Patent |
Date Issued |
| 7546220 |
System and method for preparing trace data for analysis |
June 9, 2009 |
| The present invention provides a system, method, and program product for understanding, analyzing and troubleshooting performance issues in a data storage environment. More specifically, this invention is a system and method for preparing a trace of workload data for analysis by splittin |
| 7281086 |
Disk queue management for quality of service |
October 9, 2007 |
| A mixed queue method for managing storage requests directed includes a low-priority request queue on which all low-priority requests are placed and where they are subject to throughput optimization by re-ordering. When a high-priority request limit has not been reached, high-priority |
| 7243046 |
System and method for preparing trace data for analysis |
July 10, 2007 |
| The present invention provides a system, method, and program product for understanding, analyzing and troubleshooting performance issues in a data storage environment. More specifically, this invention is a system and method for preparing a trace of workload data for analysis by splittin |
| 7213113 |
System and method for preparation of workload data for replaying in a data storage environment |
May 1, 2007 |
| This invention is a system and method for preparing workload data that may be accessed in a data storage environment and then replayed for testing or other reasons. The invention has the capability to prepare a trace of I/Os to a data storage system for an extended period of time for |
| 6769054 |
System and method for preparation of workload data for replaying in a data storage environment |
July 27, 2004 |
| This invention is a system and method for preparing workload data that may be accessed in a data storage environment and then replayed for testing or other reasons. The invention has the capability to prepare a trace of I/Os to a data storage system for an extended period of time for rep |
| 6671774 |
Method and apparatus for performing swap analysis |
December 30, 2003 |
| Described are techniques used in connection with determining one or more pairs of logical volumes (LVs) to increase the performance of storage devices by swapping these LVs. Future performance of the anticipated potential LV swap is determined in accordance with past performance data |
| 6664964 |
Correlation criteria for logical volumes |
December 16, 2003 |
| A system and method for determining whether activity graphs (hereinafter "graphs") for logical volumes of data storage are correlated. A number of correlation criteria are applied to the graphs, including the area ratio criteria determines whether an area ratio described by the graph is |
