Real time data migration system and method employing sparse file

Details Real time data migration system and method employing sparse file Real time data migration system and method employing sparse file

1995-03-29

1996-10-08

Kulik, Paul V.

395600, G06F 1202, G06F 1730

Patent

active

055640370

ABSTRACT:
A system and method for real time data migration in a networked computer system uses a known operating system feature, a sparse file, to represent a migrated file. The sparse file consumes a minimum amount of physical space on the file server but is defined as having the same size and attributes as the original final. When a user accesses a migrated file, the file appears to be resident on the file server and is automatically and transparently returned to the file server from an optimized storage location in a hierarchical storage management system.

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Novell.RTM. NetWare.RTM. 4.0 Architecture Revision 6.0, Software Developer's Kit, May 1993.

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