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:
Jun. 17, 2014
Filed:
Sep. 23, 2010
Zhiqi Liu, Hopkinton, MA (US);
Lili Chen, Hopkinton, MA (US);
Ashok Tamilarasan, Shrewsbury, MA (US);
Zhiqi Liu, Hopkinton, MA (US);
Lili Chen, Hopkinton, MA (US);
Ashok Tamilarasan, Shrewsbury, MA (US);
EMC Corporation, Hopkinton, MA (US);
Abstract
A method, system, and computer program product for use in upgrading disk drive firmware in a data storage environment, comprising selecting a first physical disk from a set of physical disks, the first physical disk having firmware; wherein the physical disks are mapped to a set of logical disks, wherein the mapping of the physical disks to the set of logical disks includes a RAID system, removing the first physical disk, wherein based on the RAID system, removal of the first physical disk is transparent to I/O to the set of logical disks, and upgrading the firmware of the first physical disk while allowing I/O access to the set of logical disks.