Patent · US Active

Tracking memory space in a storage system

US8312242B2 · kind B2 · utility

66Cited by

12References

17Claims

0Family size

Assignee

HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. · US

Inventors

Corene Casper · Round Rock, US
Terence M. Rokop · Beaverton, US
Samuel Revitch · Portland, US

Key dates

Filing date	Oct 30, 2008
Grant date	Nov 13, 2012
Priority date	—
Expiry date	May 6, 2030

Classification

Technology area (CPC G)Physics
CPC primaryG06F16/10
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

One embodiment is a method that uses a hierarchical bitmap tree in a storage system to store where available and unavailable memory space exists. Bitmap blocks are retrieved from the hierarchical bitmap tree to locate the available memory space.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.