作者: Donald Francis Mccarthy , Charles Allen Milligan , Terry Robert Gottehrer , Brian Graham Cleveland , William Carl Dodt
DOI:
关键词:
摘要: The control software and hardware in the tape drive unit creates manages a header segment at beginning of magnetic tape. This is interposed between leader portion on 3480-type cartridge remainder contained therein. contains two sections, first which data record directory that used by to denote location each written as well administrative information associated with record. second section an relating itself. stream records divided into segments, plurality comprise single helical scan track. tracks are formed groups At least one longitudinal track coextensive provide enable quickly locate recorded