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Digitale Medien

String layouts for a redundant array of inexpensive disks (1994)

Newberg, L. ; Wolfe, D.

Springer

Algorithmica 12 (1994), S. 209-224

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Details

ISSN: 1432-0541

Schlagwort(e): RAID ; Disk array ; 2d-Parity ; Fault tolerance ; Disk strings ; Bad square

Quelle: Springer Online Journal Archives 1860-2000

Thema: Informatik , Mathematik

Notizen: Abstract This article introduces the concept of abad square in aredundant array of inexpensive disks (RAID). Bad squares are used to prove upper limits on the reliability of the2d-parity arrangement when there is the possibility that astring of disks may fail simultaneously. Bad-square analysis motivates several optimal string layouts which achieve these limits. Bad squares also provide a means to calculate the mean time to data loss for a RAID layout, without the use of Monte Carlo simulation.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF01185211

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