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. 03, 2018
Filed:
Mar. 27, 2012
Sitaram Pawar, Shrewsbury, MA (US);
Kumar V.k.h. Kanteti, South Grafton, MA (US);
Philippe Armangau, Acton, MA (US);
Sitaram Pawar, Shrewsbury, MA (US);
Kumar V.K.H. Kanteti, South Grafton, MA (US);
Philippe Armangau, Acton, MA (US);
EMC IP Holding Company LLC, Hopkinton, MA (US);
Abstract
A method is used in allocating blocks in storage systems. A block allocation request is received for a file of a file system. The block allocation request includes a data block allocation request and an indirect block allocation request. A type of the file is determined. A cylinder group is selected from a set of cylinder groups for allocating an indirect block based on the block allocation request. A set of data blocks is reserved for allocating a data block based on the type of the file.