Method and system for leasing storage
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United States of America Patent
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Apr 27, 2004
Grant Date -
Aug 22, 2002
app pub date -
Feb 15, 2002
filing date -
Oct 11, 1996
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A method and system for leasing storage locations in a distributed processing system is provided. Consistent with this method and system, a client requests access to storage locations for a period of time (lease period) from a server, such as the file system manager. Responsive to this request, the server invokes a lease period algorithm, which considers various factors to determine a lease period during which time the client may access the storage locations. After a lease is granted, the server sends an object to the client that advises the client of the lease period and that provides the client with behavior to modify the lease, like canceling the lease or renewing the lease. The server supports concurrent leases, exact leases, and leases for various types of access. After all leases to a storage location expire, the server reclaims the storage location.
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