Mirrored redundant array of independent disks (raid) random access performance enhancement
AssigneeInternational Business Machines Corporation
InventorsMatthew John Fairhurst, Robert Akira Kubo, Jeremy Michael Pinson
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Abstract
Provided are techniques for processing read and write request operations. Regions of a first storage device and a second storage device are designated as primary regions and secondary regions for read request operations and write request operations falling within the regions. At least one write request operation is processed. Upon determining that a write threshold has been reached, the designations of regions of the first storage device and the second storage device are switched.
Claims18
A computer-implemented method for processing read and write request operations, comprising:
- designating regions of a first storage device and a second storage device as primary regions and secondary regions for read request operations and write request operations falling within the regions;
- processing at least one write request operation;
- and
- upon determining that a write threshold has been reached, switching the designations of regions of the first storage device and the second storage device.
A computer program product comprising a computer useable medium including a computer readable program, wherein the computer readable program when executed on a computer causes the computer to:
- designate regions of a first storage device and a second storage device as primary regions and secondary regions for read request operations and write request operations falling within the regions;
- process at least one write request operation;
- and
- upon determining that a write threshold has been reached, switch the designations of regions of the first storage device and the second storage device.
A system for processing read and write request operations, comprising:
- logic capable of performing operations, the operations comprising:
- designating regions of a first storage device and a second storage device as primary regions and secondary regions for read request operations and write request operations falling within the regions;
- processing at least one write request operation;
- and
- upon determining that a write threshold has been reached, switching the designations of regions of the first storage device and the second storage device.
Dependencies are inferred from the claim text.