In MSS, a microprogrammed portion of the 3851 Mass Storage Facility that passes information to the accessor control and that controls data and space on staging drives.; 在海量存儲系統(tǒng)中,3851海量存儲器設(shè)施的微程序設(shè)計部分,它將信息傳遞給訪問控制 器,并控制分級驅(qū)動器上的數(shù)據(jù)和空間。