Mechanism to re-export NFS client mount points from nodes in...

Details Mechanism to re-export NFS client mount points from nodes in... Mechanism to re-export NFS client mount points from nodes in...

2006-09-05

2006-09-05

Lin, Wen-Tai (Department: 2154)

Electrical computers and digital processing systems: multicomput

Multicomputer data transferring via shared memory

C707S793000, C711S148000

Reexamination Certificate

active

07103638

ABSTRACT:
Mechanism for re-exporting Network File System (NFS) mount points. In one embodiment, a first server may send a file handle lookup request for a file in a file system to a second server that imported the file system from a third server and re-exported the file system to the second server. The second server may access a file handle mapping mechanism to generate a file handle for the file on the second server. The first server may send an I/O request including the file handle to the second server. The second server may access the file handle mapping mechanism to generate a file handle for the file on the third server from the file handle received in the I/O request. The second server forwards the I/O request to the third server using the new file handle. Results of the request are forwarded to the first server by the second server.

REFERENCES:
patent: 5603019 (1997-02-01), Kish
patent: 2001/0051955 (2001-12-01), Wong
patent: 2002/0156984 (2002-10-01), Padovano
patent: 2003/0177107 (2003-09-01), Brown et al.

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