1
Paul M Bober, Uresh Vahalia, Aju John, Jeffrey L Alexander, Uday K Gupta: Concurrent file across at a target file server during migration of file systems between file servers using a network file system access protocol. EMC Corporation, Richard C Auchterlonic, Novak Druce & Quigg, August 30, 2005: US06938039 (146 worldwide citation)

A file system is migrated from a source file server to a target file server in a data network while permitting clients to have concurrent read/write access to the file system. The target file server issues directory read requests and file read requests to the source file server in accordance with a ...


2
John M Hayden, Hongmei Wang, Frederic Corniquet, Philippe Armangau, Pascal Donette, Aju John: Internet protocol based disaster recovery of a server. EMC Corporation, Richard C Auchterlonie, Novak Druce & Quigg, June 3, 2008: US07383463 (102 worldwide citation)

For disaster recovery of a file server at an active site, the files that define the user environment of the file server are replicated to a virtual server at a disaster recovery site. To switch over user access from the active site to the disaster recovery site, the disaster recovery system determin ...


3
Uresh K Vahalia, Uday Gupta, Aju John, Dennis P J Ting, Percy Tzelnic: Network file server having a message collector queue for connection and connectionless oriented protocols. EMC Corporation, Howrey Simon Arnold & White, October 2, 2001: US06298386 (49 worldwide citation)

There is a performance loss associated with servicing a pipe or stream for a connection oriented process by maintaining a connection between a server thread and a client for a series of messages. As a result of maintaining this connection, there is less balance; some threads work harder than others, ...


4
John M Hayden, Hongmei Wang, Frederic Corniquet, Philippe Armangau, Pascal Donette, Aju John: Internet protocol based disaster recovery of a server. Richard Auchterlonie, Novak Druce & Quigg, September 1, 2005: US20050193245-A1

For disaster recovery of a file server at an active site, the files that define the user environment of the file server are replicated to a virtual server at a disaster recovery site. To switch over user access from the active site to the disaster recovery site, the disaster recovery system determin ...