Fast paging of a large memory block

Details Fast paging of a large memory block Fast paging of a large memory block

2006-07-11

2006-07-11

Padmanabhan, Mano (Department: 2188)

Electrical computers and digital processing systems: memory

Address formation

Address mapping

C711S203000, C711S209000

Reexamination Certificate

active

07076632

ABSTRACT:
A method, system, and program for fast paging of a large memory block are provided. A request to physically remove a memory block device from a data processing system is received. A logical volume within disk space is dynamically allocated for a contiguous paging space. Multiple logical pages for the memory block devices are translated into multiple physical addresses for the memory block device. A single input/output request is issued to page out data located at the multiple physical addresses to the contiguous paging space, such that after the single request is complete, the memory block device can be safely removed. Further, when a replacement memory block device is detected, a single input/output request is issued to page in data located within the contiguous paging space to the replacement memory block.

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