{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9798471","patent":{"patent_number":"US-9798471","title":"Performance of de-clustered disk array by disk grouping based on I/O statistics","assignee":null,"inventors":[],"filing_date":"2015-09-28T00:00:00.000Z","publication_date":"2017-10-24T00:00:00.000Z","cpc_codes":["G06F","G06F","G06F","G06F","G06F","G06F"],"num_claims":18,"abstract":"Embodiments of the present invention relate to a method and apparatus for improving performance of a de-clustered disk array by making statistics on a number and types of active input/output (I/O) requests of each of the plurality of physical disks; dividing the plurality of physical disks at least into a first schedule group and a second schedule group based on the statistic number and types of the active I/O requests of the each physical disk for a predetermined time period, the first schedule group having a first schedule priority, the second schedule group having a second schedule priority higher than the first schedule priority; and selecting, in a decreasing order of the schedule priority, a physical disk for schedule from one of the resulting schedule groups thereby preventing too many I/O requests from concentrating on some physical disks and thereby improve overall performance of a de-clustered RAID."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Performance of de-clustered disk array by disk grouping based on I/O statistics","description":"Embodiments of the present invention relate to a method and apparatus for improving performance of a de-clustered disk array by making statistics on a number and types of active input/output (I/O) req","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9798471","license":"CC-BY-4.0-like","license_terms":"AI-generated analysis on this page (summary, layman_explanation, technical_analysis, business_analysis, faqs) may be reused with attribution and a visible link back to the canonical URL above. Patent abstracts, claims, and bibliographic data are USPTO public domain.","required_link":"https://patentable.app/patents/US-9798471","citation_suggestion":"Patentable. \"Performance of de-clustered disk array by disk grouping based on I/O statistics\" (US-9798471). https://patentable.app/patents/US-9798471","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9798471","json":"https://patentable.app/api/llm-context/US-9798471","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T06:09:37.888Z"}