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1. (WO2019025861) EXTENDING SSD LONGEVITY
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Pub. No.: WO/2019/025861 International Application No.: PCT/IB2018/000989
Publication Date: 07.02.2019 International Filing Date: 01.08.2018
IPC:
G06F 3/06 (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
Applicants:
TOSHIBA MEMORY CORPORATION [JP/JP]; 1-1, Shibaura 1-chome Minato-ku, Tokyo, JP
Inventors:
KLEIN, Yaron; US
SCHNARCH, Miki; US
Priority Data:
15/667,10902.08.2017US
Title (EN) EXTENDING SSD LONGEVITY
(FR) EXTENSION DE LONGÉVITÉ DE SSD
Abstract:
(EN) A storage appliance includes a first SSD, a second SSD, and a controller. Hie controller is able to calculate a first utilization parameter of the first SSD and a second utilization parameter of the second SSD. If the first utilization parameter is less than a threshold and the second utilization parameter exceeds the threshold, the controller identifies a data range stored on the first SSD to be removed. The removal of the data range from the first SSD causes the first utilization parameter to exceed the threshold. The controller then migrates the data range from the first SSD to the second SSD.
(FR) Un appareil de stockage comprend un premier SSD, un second SSD et un contrôleur. Le contrôleur est capable de calculer un premier paramètre d’utilisation du premier SSD et un second paramètre d’utilisation du second SSD. Si le premier paramètre d’utilisation est inférieur à un seuil et le second paramètre d’utilisation excède le seuil, le contrôleur identifie une quantité de données stockées sur le premier SSD à supprimer. La suppression de la quantité de données du premier SSD amène le premier paramètre d’utilisation à excéder le seuil. Le contrôleur migre ensuite la quantité de données du premier SSD vers le second SSD.
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Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, 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, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, 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, KM, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)