POINT-IN-TIME COPY ON A REMOTE SYSTEM

A computer-implemented method, according to one embodiment, includes: receiving existing data at a secondary storage volume in a secondary system from a primary storage volume in a primary system. In response to receiving a write request at the secondary system: a determination is made as to whether...

Full description

Saved in:
Bibliographic Details
Main Authors Wilkinson, John P, Sipka, Andrea
Format Patent
LanguageEnglish
Published 07.05.2020
Subjects
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
Online AccessGet full text

Cover

More Information
Summary:A computer-implemented method, according to one embodiment, includes: receiving existing data at a secondary storage volume in a secondary system from a primary storage volume in a primary system. In response to receiving a write request at the secondary system: a determination is made as to whether data corresponding to the write request will fully overwrite one or more of the regions in the secondary storage volume. A request is sent to the primary system for existing data corresponding to the secondary storage volume in response to determining that the data corresponding to the write request will not overwrite a portion of a region in the secondary storage volume. The requested existing data is received, and merged with the data corresponding to the write request. The merged data is further written to the one or more respective regions in the secondary storage volume.
Bibliography:Application Number: US202016735415