Appeal No. 1999-0568
Application No. 08/447,594
The disclosed invention pertains to a method for
transferring data from a host computer to a storage
device using selectable caching strategies.
Representative claim 1 is reproduced as follows:
1. A method for transferring data to a storage
medium, comprising the steps of:
providing a controller having a cache memory;
generating a cache-flushing parameter in a host
computer;
transferring the cache-flushing parameter from
the host computer to the controller;
writing a quantity of write request data from
the cache memory of the controller to the storage
medium in accordance with the cache-flushing
parameter;
initiating the writing step when an amount of
unwritten write request data stored in the cache
memory exceeds a first predetermined threshold value
derived from the cache-flushing parameter; and
terminating the writing step when the amount of
unwritten write request data drops below a second
predetermined threshold value derived from another
cache-flushing parameter.
The examiner relies on the following references:
Baror 5,025,366 Jun. 18,
1991
Lautzenheiser 5,353,430 Oct. 04,
1994
Barajas et al. (Barajas) 5,506,967 Apr. 09,
1996
2
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