{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9740427","patent":{"patent_number":"US-9740427","title":"Copying data in virtual sequential access volumes","assignee":null,"inventors":[],"filing_date":"2015-08-06T00:00:00.000Z","publication_date":"2017-08-22T00:00:00.000Z","cpc_codes":["G06F","G06F","G06F","G06F","G06F"],"num_claims":17,"abstract":"In one embodiment, a method is provided for copying data in a virtual sequential access volume (VSAV) among at least two computers. The method of the present invention includes the operations of: writing first data in a first VSAV, into a first storage device of a first computer; updating version information on the first VSAV, and storing the updated version information and information on a write start position of the first data, into the first storage device; transmitting the information on the write start position of the first data to a second computer; writing the first data into a second storage device of the second computer, from the write start position of the first data; and updating version information on the first VSAV, and storing the updated version information and the received information on the write start position of the first data, into the second storage device."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Copying data in virtual sequential access volumes","description":"In one embodiment, a method is provided for copying data in a virtual sequential access volume (VSAV) among at least two computers. The method of the present invention includes the operations of: writ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9740427","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-9740427","citation_suggestion":"Patentable. \"Copying data in virtual sequential access volumes\" (US-9740427). https://patentable.app/patents/US-9740427","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9740427","json":"https://patentable.app/api/llm-context/US-9740427","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T03:57:19.434Z"}