Method, system, and program for managing a relationship...

Electrical computers and digital processing systems: memory – Address formation – Address mapping

Reexamination Certificate

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Details

C711S162000, C711S202000, C707S793000

Reexamination Certificate

active

07047390

ABSTRACT:
Provided are a method, system, and program for managing a relationship between one target volume and one source volume. For each of the source volume and target volume, the memory includes: (i) at least one element, wherein each element represents a range of sequential data units in the volume; (ii) at least one relationship entry, wherein each relationship entry represents one relationship; (iii) at least one element pointer associating one element with one relationship entry, wherein the data units represented by the element are part of the relationship represented by the relationship entry that the pointer associates with the element; and (iv) one relationship pointer for each relationship entry associating the relationship entry with volume metadata, wherein the volume metadata provides information on the relationship represented by the relationship entry.

REFERENCES:
patent: 6076148 (2000-06-01), Kedem
patent: 6189079 (2001-02-01), Micka et al.
patent: 6205450 (2001-03-01), Kanome
patent: 6405294 (2002-06-01), Hayter
patent: 6611901 (2003-08-01), Micka et al.
patent: 6799258 (2004-09-01), Linde
patent: 6898688 (2005-05-01), Martin et al.
U.S. Appl. No. 10/463,997, filed Jun. 17, 2003, entitled “Method, System, and Program For Managing Information on Relationships Between Target Volumes and Source Volumes When Performing Adding, Withdrawing, and Disaster Recovery Operations for the Relationships”, invented by Michael E Factor; Amiram Hayardeny; Thomas C. Jarvis; Gail A. Spear; William F. Micka; Sivan Tal; Dalit Tzafrir; Rivka M. Matosevich; Sheli Rahav; Ifat Nuriel; Shachar Fienblit; and Svetlana Shukevich.

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