error volume analysis(EVA)
One of the two options of VSE volume statistics. With this option, the system issues a message to the operator when a number of temporary read or write errors (specified by the user at system generation time) has been exceeded on a currently accessed tape volume.; IBM的操作系統(tǒng)VSE卷統(tǒng)計(jì)的兩種可選項(xiàng)之一,在此選擇下,若當(dāng)前存取的磁帶卷上的暫時(shí) 性讀、寫(xiě)錯(cuò)誤已超過(guò)一定數(shù)量(由用戶在系統(tǒng)生成時(shí)指定)時(shí),系統(tǒng)即向操作員發(fā)出信息。 參閱error statistic by tape volume。