Patent · US Active

Data flush from cache to disk based on track limit

US9141531B1 · kind B1 · utility

3Cited by

7References

30Claims

0Family size

Assignee

Western Digital Technologies, Inc. · US

Inventors

Aznizam Abdullah Salehudin · Bandar Baru Bangi, MY
Kai Ling Lee · Shah Alam, MY

Key dates

Filing date	Dec 14, 2012
Grant date	Sep 22, 2015
Priority date	—
Expiry date	Jun 28, 2033

Classification

Technology area (CPC G)Physics
CPC primaryG06F12/0868
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

A disk drive having a disk, a head actuated over the disk, a volatile semiconductor memory (VSM), a command queue, and control circuitry operable to receive a plurality of write commands from a host, store the plurality of write commands in the command queue, store write data for the plurality of write commands in the VSM, and flush, from the VSM to the disk, a portion of the write data corresponding to a predetermined number of tracks.

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