Methods, systems, and computer program products for...

Details Methods, systems, and computer program products for... Methods, systems, and computer program products for...

2006-01-03

2009-12-15

Kim, Matt (Department: 2186)

Electrical computers and digital processing systems: memory

Storage accessing and control

Specific memory composition

C710S052000, C710S056000, C707S793000

Reexamination Certificate

active

07634618

ABSTRACT:
Disclosed are methods, systems, and computer program products for optimized copying of logical units (LUNs) in a redundant array of inexpensive disks (RAID) environment using buffers that are smaller than delta map chunks. According to one method, a delta map is provided including delta indicators for tracking locations of changes to data stored in a plurality of source delta map chunks representing partitions of storage in physical disks of a redundant array of inexpensive disks (RAID) array. A first buffer of a buffer size smaller than a delta map chunk size is provided. An amount of data is sequentially copied to fill the first buffer beginning at an address in the delta map chunk corresponding to a first change indicated by a delta indicator in the delta map.

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Commonly-assigned, co-pending U.S. patent application for “Methods, Systems, and Computer Program Products for Optimized Copying of Logical Units (LUNs) in a Redundant Array of Inexpensive Disks (RAID) Environment Using Buffers That Are Larger Than LUN Delta Map Chunks” (Filed Jan. 3, 2006, Serial No. Not Yet Assigned).
Commonly-assigned, co-pending U.S. Appl. No. 10/877,647 for “System and Method for Allocating Memory Resources Used for Movement of Data Being Copied in a Data Storage Environment” (Filed Jun. 25, 2004).
Commonly-assigned, co-pending U.S. Appl. No. 10/877,152 for “System and Method for Managing Use of Available Bandwidth for a Link Used for Movement of Data Being Copied in a Data Storage Environment” (Filed Jun. 25, 2004).
Official Action for U.S. Appl. No. 11/324,418 (Feb. 5, 2008).
Official Action for U.S. Appl. No. 10/877,647 (Jan. 28, 2008).
Official Action for U.S. Appl. No. 10/877,647 (Nov. 20, 2007).
Official Action for U.S. Appl. No. 10/877,647 (Dec. 7, 2006).
Interview Summary for U.S. Appl. No. 11/324,418 (Jun. 25, 2008).
Interview Summary for U.S. Appl. No. 10/877,152 (Oct. 24, 2008).
Final Official Action for U.S. Appl. No. 11/324,418 (Oct. 2, 2008).
Advisory Action Before the Filing of an Appeal Brief for U.S. Appl. No. 10/877,152 (Sep. 17, 2008).
Notice of Abandonment for U.S. Appl. No. 10/877,647 (Aug. 19, 2008).
Final Official Action for U.S. Appl. No. 10/877,152 (Jun. 9, 2008).
Official Action for U.S. Appl. No. 10/877,152 (Nov. 1, 2007).
Advisory Action Before the Filing of an Appeal Brief for U.S. Appl. No. 10/877,152 (Jun. 19, 2007).
Final Official Action for U.S. Appl. No. 10/877,152 (Apr. 6, 2007).
Official Action for U.S. Appl. No. 10/877,152 (Oct. 30, 2006).
Official Action for U.S. Appl. No. 11/324,418 (Apr. 14, 2009).

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