Patent ID: 9361026
Filing Date: 2016-06-07
CPC Classification: G06F,H04L

Claim Text:
1. A primary storage system, comprising: at least one primary storage device; an interface for a hardwire connection that is configured to communicate data between the primary storage system and a secondary storage system; at least one controller; and logic integrated with and/or executable by the at least one controller, the logic being configured to: wherein the one or more data tracks of the primary storage device comprise data tracks of a first characteristic, wherein the data tracks of the first characteristic comprise valid data records, and wherein other portions of the primary storage device comprise one or more other data tracks of a second characteristic, wherein the data tracks of the second characteristic comprise one or more of: wherein an amount of time required to copy the one or more data tracks of the primary storage device is directly proportional to a number of data tracks of the primary device to be copied to the secondary storage system; wherein an amount of time required to copy the one or more data tracks of the primary storage device is directly proportional to a number of data tracks of the first characteristic; wherein the one or more data tracks are copied based at least in part on a memory map, wherein the memory map is generated by software for use by the at least one controller; wherein the memory map is an out-of-sync (OOS) bit map generated based at least in part on a track bit map; wherein the primary storage device is a direct-access storage device (DASD); wherein the request comprises a channel command word (CCW); and wherein the at least one controller comprises a memory subsystem controller.