WO2001052079A3 - Methods and apparatus for accessing shared data - Google Patents

Methods and apparatus for accessing shared data Download PDF

Info

Publication number
WO2001052079A3
WO2001052079A3 PCT/US2001/000196 US0100196W WO0152079A3 WO 2001052079 A3 WO2001052079 A3 WO 2001052079A3 US 0100196 W US0100196 W US 0100196W WO 0152079 A3 WO0152079 A3 WO 0152079A3
Authority
WO
WIPO (PCT)
Prior art keywords
data
computing system
access
shared storage
shared
Prior art date
Application number
PCT/US2001/000196
Other languages
French (fr)
Other versions
WO2001052079A2 (en
Inventor
Paul M Bober
Original Assignee
Emc Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Emc Corp filed Critical Emc Corp
Priority to JP2001552230A priority Critical patent/JP3968242B2/en
Priority to GB0214780A priority patent/GB2374175B/en
Priority to DE10194792T priority patent/DE10194792T1/en
Publication of WO2001052079A2 publication Critical patent/WO2001052079A2/en
Publication of WO2001052079A3 publication Critical patent/WO2001052079A3/en

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/10—File systems; File servers
    • G06F16/18—File system types
    • G06F16/188—Virtual file systems
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/10—File systems; File servers
    • G06F16/18—File system types
    • G06F16/182—Distributed file systems
    • G06F16/1824—Distributed file systems implemented using Network-attached Storage [NAS] architecture
    • G06F16/183—Provision of network file services by network file servers, e.g. by using NFS, CIFS

Abstract

Embodiments of the invention provide a data server that can provide access to data, such as mainframe data, to open systems platforms. The system may be embodied strictly as a software program, as software and hardware, or as hardware alone. Generally, the system includes a first computing system providing access to shared data. The first computer system includes a processor, a memory system and a shared storage interface coupling the first computing system to a shared storage device in which the shared data is maintained by a second computing system in a manner that is not natively compatible to the first computing system. The computing system further includes an interconnection mechanism coupling the processor, the memory system and the shared storage interface and a network interface coupling the first computing system to a network and the second computing system. The memory system in such an embodiment is encoded with a data access server which executes on the processor in the first computing system. When executing, the data access server receives, via the network interface, a client message to access data on the shared storage device and in response to receiving the client message, retrieves, via the network interface, data storage information provided from the second computing system coupled to the first computing system. The data storage information is stored in the memory system and allows the data access server on the first computing system to access the data in the shared storage device in a manner that is compatible with the first computing system. The data access server provides access, via the network interface, to the data on the shared storage device in conformance with the client message based on the retrieved data storage information. The data access server can also provide a virtual file system to allow networked clients that implement file or other data sharing protocols such as NFS and CIFS to obtain access, for example, to mainframe data.
PCT/US2001/000196 2000-01-07 2001-01-04 Methods and apparatus for accessing shared data WO2001052079A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2001552230A JP3968242B2 (en) 2000-01-07 2001-01-04 Method and apparatus for accessing shared data
GB0214780A GB2374175B (en) 2000-01-07 2001-01-04 Methods and apparatus for accessing shared data
DE10194792T DE10194792T1 (en) 2000-01-07 2001-01-04 Methods and devices for access to shared data

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/479,512 2000-01-07
US09/479,512 US6718372B1 (en) 2000-01-07 2000-01-07 Methods and apparatus for providing access by a first computing system to data stored in a shared storage device managed by a second computing system

Publications (2)

Publication Number Publication Date
WO2001052079A2 WO2001052079A2 (en) 2001-07-19
WO2001052079A3 true WO2001052079A3 (en) 2003-08-07

Family

ID=23904333

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2001/000196 WO2001052079A2 (en) 2000-01-07 2001-01-04 Methods and apparatus for accessing shared data

Country Status (5)

Country Link
US (1) US6718372B1 (en)
JP (1) JP3968242B2 (en)
DE (1) DE10194792T1 (en)
GB (1) GB2374175B (en)
WO (1) WO2001052079A2 (en)

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Also Published As

Publication number Publication date
GB0214780D0 (en) 2002-08-07
GB2374175B (en) 2004-07-28
US6718372B1 (en) 2004-04-06
DE10194792T1 (en) 2003-01-16
GB2374175A (en) 2002-10-09
JP3968242B2 (en) 2007-08-29
JP2003529823A (en) 2003-10-07
WO2001052079A2 (en) 2001-07-19

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