Invention Grant
- Patent Title: Writing adjacent tracks to a stride, based on a comparison of a destaging of tracks to a defragmentation of the stride
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Application No.: US13087236Application Date: 2011-04-14
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Publication No.: US08880839B2Publication Date: 2014-11-04
- Inventor: Lokesh M. Gupta
- Applicant: Lokesh M. Gupta
- Applicant Address: US NY Armonk
- Assignee: International Business Machines Corporation
- Current Assignee: International Business Machines Corporation
- Current Assignee Address: US NY Armonk
- Agency: Konrad, Raynes, Davda and Victor LLP
- Agent Rabindranath Dutta
- Main IPC: G06F12/00
- IPC: G06F12/00 ; G06F13/00 ; G06F13/28 ; G06F3/06 ; G06F12/08
Abstract:
Compressed data is maintained in a plurality of strides of a redundant array of independent disks, wherein a stride is configurable to store a plurality of tracks. A request is received to write one or more tracks. The one or more tracks are written to a selected stride of the plurality of strides, based on comparing the number of operations required to destage selected tracks from the selected stride to the number of operations required to defragment the compressed data in the selected stride.
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