Electrical computers and digital processing systems: memory – Storage accessing and control – Specific memory composition
Reexamination Certificate
2009-03-10
2011-10-25
Bataille, Pierre-Michel (Department: 2186)
Electrical computers and digital processing systems: memory
Storage accessing and control
Specific memory composition
C711SE12001
Reexamination Certificate
active
08046531
ABSTRACT:
In a storage apparatus comprising a communication interface that receives an I/O request sent from a host apparatus, a storage device controller that performs writing and reading of data with respect to a storage device, and a cache memory that stores data to be written in the storage device or data read from the storage device, a journal volume operated as a volume for which update writing is prohibited and write once is permitted is provided, on the basis of a storage area provided by the storage device, and a virtual volume is provided as a volume accessible from the host apparatus, the journal volume being the entity of the virtual volume, the virtual volume being a volume for which an attribute (Read/Add) that permits only reading and write once is settable.
REFERENCES:
patent: 7613871 (2009-11-01), Tanaka et al.
patent: 2004/0054922 (2004-03-01), Hiraga et al.
patent: 2005/0210211 (2005-09-01), Kodama
patent: 2006/0085413 (2006-04-01), Ogawa et al.
patent: 2006/0085487 (2006-04-01), Hara et al.
patent: 2006/0095688 (2006-05-01), Kawamura et al.
patent: 2007/0250547 (2007-10-01), Kai et al.
patent: 2004-86872 (2003-06-01), None
patent: 2006-92276 (2004-09-01), None
patent: 2006-127106 (2004-10-01), None
patent: 2005-267602 (2005-10-01), None
John Henry Hartman, “The Zebra Striped Network File System,” PHD Thesis University of California Berkeley, [Online] 1994, pp. 1-148, XP002551949.
R. J. Green et al., “Designing a fast,on-line backup system for a log-structured file system”, Digital Technical Journal Digital Equipment Corp. USA, vol. 8, No. 2, 1996, pp. 32-45.
International Search Report for PCT/JP2009/001071, dated Oct. 30, 2009.
Hattori Kunihiro
Kitagawa Yutaka
Miyachi Kazunari
Ooigawa Akira
Shoujima Chiaki
A. Marquez, Esq. Juan Carlos
Bataille Pierre-Michel
Hitachi , Ltd.
Stites & Harbison PLLC
LandOfFree
Storage apparatus, management apparatus, and method of... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Storage apparatus, management apparatus, and method of..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Storage apparatus, management apparatus, and method of... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4293897