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1. (WO2013121465) STORAGE SYSTEM, MANAGEMENT SERVER, STORAGE APPARATUS, AND DATA MANAGEMENT METHOD
Latest bibliographic data on file with the International Bureau   

Pub. No.: WO/2013/121465 International Application No.: PCT/JP2012/001034
Publication Date: 22.08.2013 International Filing Date: 16.02.2012
IPC:
G06F 3/06 (2006.01) ,G06F 11/14 (2006.01)
G PHYSICS
06
COMPUTING; CALCULATING; COUNTING
F
ELECTRIC DIGITAL DATA PROCESSING
3
Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
06
Digital input from, or digital output to, record carriers
G PHYSICS
06
COMPUTING; CALCULATING; COUNTING
F
ELECTRIC DIGITAL DATA PROCESSING
11
Error detection; Error correction; Monitoring
07
Responding to the occurrence of a fault, e.g. fault tolerance
14
Error detection or correction of the data by redundancy in operation, e.g. by using different operation sequences leading to the same result
Applicants:
NASU, Hiroshi [JP/JP]; JP (UsOnly)
TANAKA, Toru [JP/JP]; JP (UsOnly)
HITACHI, LTD. [JP/JP]; 6-6, Marunouchi 1-chome, Chiyoda-ku, Tokyo 1008280, JP (AllExceptUS)
Inventors:
NASU, Hiroshi; JP
TANAKA, Toru; JP
Agent:
OHGA, Shinji; SUNNEXT INTERNATIONAL PATENT OFFICE, Seafort Square Center Building, 16F, 2-3-12, Higashishinagawa, Shinagawa-ku, Tokyo 1400002, JP
Priority Data:
Title (EN) STORAGE SYSTEM, MANAGEMENT SERVER, STORAGE APPARATUS, AND DATA MANAGEMENT METHOD
(FR) SYSTÈME DE STOCKAGE, SERVEUR DE GESTION, APPAREIL DE STOCKAGE, ET PROCÉDÉ DE GESTION DE DONNÉES
Abstract:
(EN) A snapshot volume is migrated by using a primary volume of a migration destination storage apparatus. The management server comprises a controller for generational management, by means of the snapshot volumes, of differential data for the logical volume which is the parent volume of the snapshot volume, and, if an instruction to copy a snapshot volume of a designated generation is received and a snapshot volume prior to the designated generation of the copy instruction-target snapshot volume exists, the controller copies the differential data between the designated-generation snapshot volume and the existing snapshot volume, and associates the copied differential data with the existing snapshot volume.
(FR) L'invention concerne un volume d'images instantanées qui est migré à l'aide d'un premier volume d'un appareil de stockage de destination de migration. Le serveur de gestion comprend un dispositif de commande destiné à une gestion générationnelle, au moyen des volumes de copies instantanées, de données différentielles pour le volume logique qui est le volume parent du volume d'images instantanées, et, si une instruction de copier un volume d'images instantanées d'une génération désignée est reçue et un volume d'images instantanées préalable à la génération désignée du volume d'images intantanées cibles de l'instruction de préparer une copie existe, le dispositif de commande copie les données différentielles entre le volume d'images instantanées de la génération désignée et le volume d'images instantanées existantes, et associe les données différentielles copiées avec le volume d'images instantanées existantes.
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Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IS, JP, KE, KG, KM, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LT, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)