{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9619154","patent":{"patent_number":"US-9619154","title":"Computer system, data management method, and host computer","assignee":null,"inventors":[],"filing_date":"2013-01-18T00:00:00.000Z","publication_date":"2017-04-11T00:00:00.000Z","cpc_codes":["G06F","G06F","G06F","G06F","G06F","G06F","G06F","G06F","G06F"],"num_claims":18,"abstract":"A storage apparatus has a tiered pool including a plurality of storage tiers formed by a plurality of real page groups having different input/output performance and provides a virtual volume to which a storage area is allocated by a real page unit. At a time point before new data to be written to the virtual volume occurs based on a data object, if a real page is allocated to a write destination virtual page which is a write destination of the new data, a host computer transmits a change command to change the real page allocated to the write destination virtual page to a real page in a storage tier having predetermined performance to the storage apparatus. The storage apparatus changes the real page allocated to the write destination virtual page to a real page in the storage tier having the predetermined performance according to the change command."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Computer system, data management method, and host computer","description":"A storage apparatus has a tiered pool including a plurality of storage tiers formed by a plurality of real page groups having different input/output performance and provides a virtual volume to which ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9619154","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-9619154","citation_suggestion":"Patentable. \"Computer system, data management method, and host computer\" (US-9619154). https://patentable.app/patents/US-9619154","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9619154","json":"https://patentable.app/api/llm-context/US-9619154","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T09:18:48.813Z"}