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:
Aug. 26, 2014
Filed:
Aug. 21, 2008
Roopak Parikh, Milpitas, CA (US);
Kiran Joshi, San Jose, CA (US);
Sirish Raghuram, San Jose, CA (US);
Karthik Sreenivasa Murthy, Sunnyvale, CA (US);
Vasani Soam Snehal, San Jose, CA (US);
Roopak Parikh, Milpitas, CA (US);
Kiran Joshi, San Jose, CA (US);
Sirish Raghuram, San Jose, CA (US);
Karthik Sreenivasa Murthy, Sunnyvale, CA (US);
Vasani Soam Snehal, San Jose, CA (US);
WMware, Inc., Palo Alto, CA (US);
Abstract
One embodiment of the present invention is a method for a virtual machine to access data from a virtual device, the method including: (a) attaching the virtual device to the virtual machine with a backing store that is a virtual image of a file system conforming to a predetermined file system format, wherein: (i) file system data is stored in one or more files, (ii) the virtual image includes metadata stored apart from the file system data, which metadata corresponds to the predetermined file system format, (iii) the metadata includes one or more directory records, and (iv) the one or more directory records include information that points directly or indirectly to the file system data; (b) issuing a read request for a block of data from the file system as if stored in the predetermined file system format; (c) accessing the metadata and determining the location of the requested block of data in the file system data; and (d) retrieving the requested block of data from the file system data.