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1. WO2012065974 - MEMORY MIRRORING WITH MEMORY COMPRESSION

Publication Number WO/2012/065974
Publication Date 24.05.2012
International Application No. PCT/EP2011/070114
International Filing Date 15.11.2011
IPC
G06F 11/20 2006.01
GPHYSICS
06COMPUTING; CALCULATING OR COUNTING
FELECTRIC DIGITAL DATA PROCESSING
11Error detection; Error correction; Monitoring
07Responding to the occurrence of a fault, e.g. fault tolerance
16Error detection or correction of the data by redundancy in hardware
20using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements
CPC
G06F 11/1666
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
FELECTRIC DIGITAL DATA PROCESSING
11Error detection; Error correction; Monitoring
07Responding to the occurrence of a fault, e.g. fault tolerance
16Error detection or correction of the data by redundancy in hardware
1666where the redundant component is memory or memory area
G06F 11/20
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
FELECTRIC DIGITAL DATA PROCESSING
11Error detection; Error correction; Monitoring
07Responding to the occurrence of a fault, e.g. fault tolerance
16Error detection or correction of the data by redundancy in hardware
20using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements
Applicants
  • INTERNATIONAL BUSINESS MACHINES CORPORATION [US]/[US] (AllExceptUS)
  • IBM UNITED KINGDOM LIMITED [GB]/[GB] (MG)
  • BORKENHAGEN, John, Michael [US]/[US] (UsOnly)
  • JANICK, Jan, Michael [US]/[US] (UsOnly)
Inventors
  • BORKENHAGEN, John, Michael
  • JANICK, Jan, Michael
Agents
  • STRETTON, Peter
Priority Data
12/947,92617.11.2010US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) MEMORY MIRRORING WITH MEMORY COMPRESSION
(FR) ÉCRITURE MIROIR EN MÉMOIRE AVEC COMPRESSION DE MÉMOIRE
Abstract
(EN)
Systems and methods to manage memory are provided. A particular method may include storing data in a primary memory that is in communication with a processor and storing in a mirrored data in a mirrored memory. The mirrored data may be compressed, and the mirrored memory may be in communication with the processor. A failure condition associated with the data of the primary memory may be detected. In response to the detected failure condition, the mirrored data in the mirrored memory may be accessed.
(FR)
Cette invention concerne des systèmes et des procédés de gestion de mémoire. Un procédé particulier peut consister à stocker des données dans une mémoire primaire qui communique avec un processeur et à stocker des données en miroir dans un mémoire miroir. Les donnés en miroir peuvent être compressées et la mémoire miroir peut communiquer avec le processeur. Un état de dysfonctionnement associé à la mémoire primaire peut être détecté. En réponse à l'état de dysfonctionnement détecté, il est possible d'accéder aux données de la mémoire miroir.
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