Appeal No. 1999-0151
Application No. 08/579,552
37. A storage subsystem comprising:
a storage controller coupling a central processing
unit to a plurality of data storage units in a redundant
array, at least one of said data storage units having an
access time that is different from at least another of
said storage units, said storage controller operative for
placing primarily accessed data on a fastest one of said
failure independent data storage units.
67. A fault tolerant storage subsystem comprising:
a plurality of failure independent data storage units
coupled to a storage controller in a redundant array,
said plurality of failure independent data storage units
comprising at least first and second data storage units
having substantially differing Read and Write cycle
times.
The references relied upon by the examiner are:
Brant et al. (Brant) 5,274,799 Dec. 28,
1993
(filed Jan. 4,
1991)
Brownstein, Subsystem Offers PCs Fault Tolerance,
Infoworld, v. 9, n. 28, p. 21, July 13, 1987.
Claims 15-26 and 28-80 stand rejected under 35
U.S.C.
§ 103 as being unpatentable over Brant in view of
Brownstein.
The respective positions of the examiner and the
appellant with regard to the propriety of this rejection
are set forth in the examiner’s answer (Paper No. 15) and
the appellant’s brief (Paper No. 14) and reply brief
(Paper No. 16).
Appellant’s Invention
Appellant’s invention is adequately described at
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