Electrical computers and digital processing systems: memory – Storage accessing and control – Specific memory composition
Reexamination Certificate
2007-04-24
2007-04-24
Elmore, Stephen C. (Department: 2185)
Electrical computers and digital processing systems: memory
Storage accessing and control
Specific memory composition
C711S111000, C711S112000, C711S154000, C711S170000, C713S300000, C713S320000, C713S324000, C714S006130
Reexamination Certificate
active
11351979
ABSTRACT:
Systems and methods for providing scalable, reliable, power-efficient, high-capacity data storage, wherein large numbers of closely packed data drives having corresponding metadata and parity volumes are individually powered on and off, depending upon their respective usage. In one embodiment, the invention is implemented in a RAID-type data storage system which employs a large number of hard disk drives that are individually controlled, so that only the disk drives that are in use are powered on. The reduced power consumption allows the disk drives to be contained in a smaller enclosure than would conventionally be possible. In a preferred embodiment, the data protection scheme is designed to utilize large, contiguous blocks of space on the data disk drives, and to use the space on one data disk drive at a time, so that the data disk drives which are not in use can be powered down.
REFERENCES:
patent: 5088081 (1992-02-01), Farr
patent: 5530658 (1996-06-01), Hafner et al.
patent: 5666538 (1997-09-01), DeNicola
patent: 5680579 (1997-10-01), Young et al.
patent: 5787462 (1998-07-01), Hafner et al.
patent: 5961613 (1999-10-01), DeNicola
patent: 2002/0007464 (2002-01-01), Fung
patent: 2002/0062454 (2002-05-01), Fung
patent: 2002/0144057 (2002-10-01), Li et al.
patent: 2003/0196126 (2003-10-01), Fung
patent: 2003/0200473 (2003-10-01), Fung
patent: 2005/0177755 (2005-08-01), Fung
Intl Search Report dated Mar. 12, 2004 issued in corresponding international application No. PCT/US03/20214.
Asaca/Shibasoku Corp of America, publication “DM 200,” 1 page, from www.asaca.com/DVL/DM13200.htm, Oct. 7, 2003.
Colarelli et al., “The Cas for Masive Arrays of Idle Disks (MAID),” Dept of Computer Science, Univ. of Colorado, Boulder, pp 1-6, Jan. 7, 2002.
Patterson et al., “A Case for Redundant Arrays of Inexpensive Disks (RAID),”ACM, pp 109-116, 1998.
Chase et al., “Managing Energy and Server Resources in Hosting Centers,” Dept of Computer Science, Duke University, pp 14, Oct. 2001.
Guha Aloke
McMillian Gary B.
Santilli Christopher T.
COPAN Systems, Inc.
Elmore Stephen C.
Trellis Intellecutal Property Law Group, PC
Young Brian N.
LandOfFree
Method and apparatus for power-efficient high-capacity... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Method and apparatus for power-efficient high-capacity..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and apparatus for power-efficient high-capacity... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3803672