Electrical computers and digital processing systems: memory – Storage accessing and control – Control technique
Reexamination Certificate
2006-04-11
2006-04-11
Sparks, Donald (Department: 2187)
Electrical computers and digital processing systems: memory
Storage accessing and control
Control technique
C711S005000, C711S161000
Reexamination Certificate
active
07028156
ABSTRACT:
In a system in which read data tracking and caching is used to recover from data corruption, a first request to read data from a primary data mirror is received from a computer system. Data is read from the primary data mirror in response to receiving the first request. Additionally data from a mirrored copy of the primary data mirror is read. Data read from the primary data mirror is returned to the computer system. Data read from the mirrored copy is stored into a memory device. If a second request is received from the computer system to read the same data of the first request, data stored in the memory device may be returned in response thereto.
REFERENCES:
patent: 5367682 (1994-11-01), Chang
patent: 5586291 (1996-12-01), Lasker et al.
patent: 5809543 (1998-09-01), Byers et al.
patent: 5889935 (1999-03-01), Ofek et al.
patent: 6052797 (2000-04-01), Ofek et al.
patent: 6167494 (2000-12-01), Cheston et al.
patent: 6397292 (2002-05-01), Venkatesh et al.
patent: 6574709 (2003-06-01), Skazinski et al.
patent: 6609184 (2003-08-01), Bradshaw et al.
patent: 6625705 (2003-09-01), Yanai et al.
patent: 6654912 (2003-11-01), Viswanathan et al.
patent: 6721739 (2004-04-01), Mende, Jr. et al.
patent: 6910178 (2005-06-01), Kiselev et al.
patent: 2002/0099932 (2002-07-01), Muro, Jr.
patent: 2002/0120605 (2002-08-01), Gagne
patent: 2003/0061240 (2003-03-01), McCann et al.
patent: 2003/0177306 (2003-09-01), Cochran et al.
patent: 2004/0034752 (2004-02-01), Ohran
patent: 2001000400076 (2001-04-01), None
patent: WO 91/16677 (1991-10-01), None
patent: WO 96/41261 (1996-12-01), None
patent: WO 98/45978 (1998-10-01), None
patent: WO 01/77811 (2001-10-01), None
patent: WO 02/059749 (2002-08-01), None
patent: WO 02/086653 (2002-10-01), None
patent: WO 03/003153 (2003-01-01), None
Karr Ronald S.
Kiselev Oleg
Campbell Stephenson Ascolese LLP
Rutz Jared
Sparks Donald
VERITAS Operating Corporation
LandOfFree
Use of read data tracking and caching to recover from data... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Use of read data tracking and caching to recover from data..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Use of read data tracking and caching to recover from data... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3576128