Appeal No. 2006-1540
Application No. 10/113,338
Representative independent claim 1 is reproduced as follows:
1. A method for performing an expansion of a disk
array comprising the steps of:
rebuilding stripe units in a disk in said disk array
stripe by stripe, wherein each disk in said disk array
comprises a plurality of stripe units, wherein a stripe
is a group of corresponding stripe units from each disk
in said disk array;
receiving a request to write data to a particular
stripe unit in said disk during an expansion process;
writing said data in said particular stripe unit in
said disk if said particular stripe unit was rebuilt during
said expansion process; and
mirroring said data to a stripe unit that corresponds
to said particular stripe unit in a same stripe if said
particular stripe unit was rebuilt during said expansion
process, wherein said mirror stripe unit is located in
another disk of said disk array.
The examiner relies on the following references:
Menon et al. (Menon) 5,258,984 Nov. 02, 1993
Ohizumi 5,357,509 Oct. 18, 1994
Claims 1-20 stand rejected under 35 U.S.C. § 103 as
unpatentable over Ohizumi in view of Menon.
Reference is made to the briefs and answer for the
respective positions of appellants and the examiner.
2
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