The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 20, 2025
Filed:
Oct. 13, 2023
Dell Products L.p., Hopkinton, MA (US);
Alan L. Taylor, Cary, NC (US);
Nagapraveen Veeravenkata Seela, Cary, NC (US);
Girish Sheelvant, Hopkinton, MA (US);
Dell Products L.P., Hopkinton, MA (US);
Abstract
In at least one embodiment, processing can include: receiving a request to create identical snapshots of volumes V1 and V2 configured as a stretched volume; and in response to receiving the request, performing first processing including: holding write acknowledgements for the stretched volume; tracking writes to the stretched volume; creating a first snapshot of V1 on a first system and a second snapshot of V2 on a second system; stopping tracking of writes to the stretched volume; resuming write acknowledgements for the stretched volume; determining tracked writes for the stretched volume; determining a set of locations corresponding to the tracked writes; selecting the first snapshot of V1 as a master copy; determining data changes corresponding the set of locations from the master copy; replicating the data changes from the first system to the second system including the second system; and applying the data changes to the second snapshot of V2.