Swapping data storage volumes

Details Swapping data storage volumes Swapping data storage volumes

2005-02-01

2005-02-01

Sparks, Donald (Department: 2186)

Electrical computers and digital processing systems: memory

Storage accessing and control

Specific memory composition

C707S793000, C709S241000, C709S241000, C709S223000, C709S224000, C710S004000, C710S006000, C710S018000, C711S114000, C711S167000

Reexamination Certificate

active

06851019

ABSTRACT:
A process that swaps physical storage volumes. The process performs a number of simple arithmetic operations to find a seek time for B new states of a disk. The number is of order B. Each new state is related to a current state of the disk by a swap with a selected external storage volume. The process also includes swapping one of the storage volumes of the disk with the selected storage volume in response to determining that the state produced by the swap has a smallest seek or access time among the new states.

REFERENCES:
patent: 6405282 (2002-06-01), Lam et al.
patent: 6442650 (2002-08-01), Bachmat et al.
Wong, C.K., “Algorithm Studies In Mass Storage Systems”, Computer Science Press, 1983, pp. 1-115.
Sierra, H.M., An Introduction to Direct Access Storage Devices, Academic Press, 1990, Chapters 4 and 9, pp. 79-97, 187-194.
Ruemmler, C., et al, “An Introduction To Disk Drive Modeling”, IEEE Computer, Mar. 1994, vol. 27, No. 3, pp. 17-29.

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