Data processing: database and file management or data structures – Database design – Data structure types
Reexamination Certificate
2005-03-08
2008-09-09
Vital, Pierre M. (Department: 2169)
Data processing: database and file management or data structures
Database design
Data structure types
C707S793000, C707S793000, C711S161000, C711S162000
Reexamination Certificate
active
07424497
ABSTRACT:
A technique for accelerating the creation of a hyperclone of a virtual file system. A hyperclone inode is copied from the base inode. Each indirect and direct block referenced by the base inode is also copied and the block pointers within the base inode are set to reference the copied direct data blocks. A CTW bit is set within each copied block that alerts the file system that the reference indirect or direct block is not to be deallocated.
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Bertschi Jason S.
Jernigan, IV Richard P.
Leverett Bruce W.
Tummala Narayana R.
Cesari and McKenna LLP
Kennedy Edward J
Network Appliance Inc.
Vital Pierre M.
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