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:
Oct. 26, 2021
Filed:
Feb. 27, 2020
Emc Ip Holding Company Llc, Hopkinton, MA (US);
Anoop Raghunathan, Ashland, MA (US);
Roman Gramc, South Boston, MA (US);
Stephen M. Lathrop, Milford, MA (US);
David K. Aha, Norfolk, MA (US);
Christopher W. Appleby, Holden, MA (US);
Garret Bourke, Innishannon, IE;
Jeremy J. O'Hare, Westborough, MA (US);
EMC IP Holding Company LLC, Hopkinton, MA (US);
Abstract
Techniques for processing data may include: receiving source physical storage allocation units that include valid data and one or more holes of unused physical storage, wherein each source physical storage allocation unit has an associated timestamp denoting a most recent destaging time of any data stored on the source physical storage allocation unit; determining an age for each source physical allocation unit based on the associated timestamp of the source physical allocation unit; for each source physical storage allocation unit, determining one of multiple age buckets for the source physical allocation unit based on the age of the source physical allocation unit; and for a first of the age buckets including two source physical allocation units, performing first processing including: relocating at least some valid data from the two source physical storage allocation units to a target physical storage allocation unit.