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:
Apr. 20, 2021
Filed:
Apr. 30, 2019
Emc Ip Holding Company Llc, Hopkinton, MA (US);
Philippe Armangau, Acton, MA (US);
Vamsi K. Vankamamidi, Hopkinton, MA (US);
Pavan Vutukuri, Chelmsford, MA (US);
EMC IP Holding Company LLC, Hopkinton, MA (US);
Abstract
A method of responding to failures in a tiered storage system is provided. The method includes (a) rebuilding a set of failed storage extents belonging to a first storage tier; (b) receiving a notification that a particular storage extent has failed while rebuilding the set of failed storage extents belonging to the first tier; and (c) upon determining that the particular storage extent belongs to a second storage tier that has a higher priority than does the first storage tier: (1) pausing rebuilding the set of failed storage extents belonging to the first storage tier, (2) rebuilding the particular storage extent, and (3) resuming rebuilding the set of failed storage extents belonging to the first storage tier after rebuilding the particular storage extent. An apparatus, system, and computer program product for performing a similar method are also provided.