{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11531631","patent":{"patent_number":"US-11531631","title":"Storage device and control method for storage device","assignee":null,"inventors":[],"filing_date":"2021-03-12T00:00:00.000Z","publication_date":"2022-12-20T00:00:00.000Z","cpc_codes":["G06F","G06F","G06F","G06F","G06F"],"num_claims":6,"abstract":"The number of QoS group execution IO with respect to a logical device is retained in both of an inter-controller shared memory and an in-controller shared memory. Then, a processor of a storage device compares the number of in-controller execution IO with an update interval threshold value set by the following expression. Update Interval Threshold Value=(“QoS Group IOUpper Limit Value”−(“Number of QoS Group Execution IO” in In-Controller Shared Memory+“Number of In-Controller Execution IO”))דMargin Ratio Coefficient”÷“Number of Controllers in System”Then, the processor adds the number of in-controller execution IO to the number of QoS group execution IO of the inter-controller shared memory when the number of in-controller execution IO is greater than or equal to the update interval threshold value, and performs rewriting in the inter-controller shared memory."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Storage device and control method for storage device","description":"The number of QoS group execution IO with respect to a logical device is retained in both of an inter-controller shared memory and an in-controller shared memory. Then, a processor of a storage device","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11531631","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-11531631","citation_suggestion":"Patentable. \"Storage device and control method for storage device\" (US-11531631). https://patentable.app/patents/US-11531631","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11531631","json":"https://patentable.app/api/llm-context/US-11531631","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T16:27:45.510Z"}