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. 09, 2013
Filed:
Jun. 28, 2006
John M. Hayden, Holliston, MA (US);
Xiaoye Jiang, Shrewsbury, MA (US);
John M. Hayden, Holliston, MA (US);
Xiaoye Jiang, Shrewsbury, MA (US);
EMC Corporation, Hopkinton, MA (US);
Abstract
In response to detection of an error in a filesystem file of a virtually provisioned volume or iSCSI LUN host, where the filesystem file is represented in a container filesystem, a Media Sector Error is returned at the virtual volume layer or the virtual iSCSI layer. The error may be a file allocation correction because of a shared block detected by a filesystem check of the container filesystem. The container may flag the shared block to prompt return of the Media Sector Error in response to attempted access of the block by the host. The host is operative to process the Media Sector Error like a storage subsystem Read Media Error, such that the flagged block is overwritten by the host to clear the error.