Handling permissions for virtualized file servers

US11568073B2 · kind B2 · utility

Assignee

• Nutanix, Inc. · US

Inventors

• Saji Kumar Vijaya Kumari Rajendran Nair · Cupertino, US
• Hemanth Kumar Thummala · San Jose, US
• Veerraju Tammineedi · San Jose, US
• Shyamsunder Prayagchand Rathi · Sunnyvale, US
• Manoj P. Naik · San Jose, US
• Manish Gupta · Kanchinakote, IN
• Durga Mahesh Arikatla · San Jose, US
• Gaurav Kumar · Nashua, US

Key dates

• Filing date: Dec 1, 2017
• Grant date: Jan 31, 2023
• Expiry date: Aug 16, 2039

Classification

• Technology area (CPC G): Physics
• CPC primary: G06F2221/2141
• WIPO field: Computer technology
• WIPO sector: Electrical engineering

Abstract

Examples of systems described herein include a file server virtual machine of a virtualized file server configured to manage storage of a plurality of storage items. The file server virtual machine including a file system configured to receive an access request directed to a storage item of the plurality of storage items and associated with a user. The file system is further configured to retrieve an access control list having permissions information associated with the storage item, and to cache a permissions profile for the user including all permissions pertaining to the user for the storage item. The file system is further configured to determine whether the access request is permissible based on the cached permissions profile.