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. 11, 2021
Filed:
Sep. 10, 2018
Applicant:
Emc Ip Holding Company Llc, Hopkinton, MA (US);
Inventors:
Assignee:
EMC IP Holding Company LLC, Hopkinton, MA (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 11/14 (2006.01);
U.S. Cl.
CPC ...
G06F 11/1458 (2013.01); G06F 11/1448 (2013.01); G06F 2201/80 (2013.01); G06F 2201/815 (2013.01); G06F 2201/82 (2013.01);
Abstract
There is disclosed techniques for managing data storage. In one embodiment, the techniques comprise recording index information in a block-based segment of a file system. The index information relates to an extent list in a virtual block map (VBM) pointing to the block-based segment. The techniques also comprise detecting an error in connection with the VBM. The techniques also comprise rebuilding the VBM based on the index information in response to detecting the error.