計(jì)算所需磁帶介質(zhì)數(shù)量,可通過哪些流程來確定()
(1)確定介質(zhì)容量;
(2)計(jì)算每個(gè)服務(wù)器上的數(shù)據(jù)做全備份所需的介質(zhì)數(shù)量;
(3)計(jì)算每個(gè)服務(wù)器上的數(shù)據(jù)做增量備份所需的介質(zhì)數(shù)量;
(4)根據(jù)每種介質(zhì)的保留時(shí)間或輪換頻率即可計(jì)算出所需的介質(zhì)數(shù)目;
(5)計(jì)算多個(gè)服務(wù)器做聯(lián)機(jī)備份的介質(zhì)數(shù)量;
(6)計(jì)算所服務(wù)器組的綜合業(yè)務(wù)周期時(shí)長;