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Gestion de mémoire secondaire - Sardes

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Disques RAID (niveau 5)• Répartit les blocs <strong>de</strong> parité sur différents disques (pas <strong>de</strong>bottleneck)• 100 disques temps moyen <strong>de</strong> perte <strong>de</strong> données = 90 ans (2à 3 ans avec les gros disques chers)Source: I/O Management and Disk Scheduling, engr.smu.edu/~kocan/7343/fall05/sli<strong>de</strong>s© F. Boyer, UJF Cours <strong>de</strong> Systèmes d’Exploitation – RICM433

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