EzSM does not show DA-IF values for Thin Devices. Product EMC z/OS Storage Manager. Description An empty screen is presented when a UCB for a Thin Device is entered on screen ECHRGDEV. Screen ECHRGDEV does not permit the entry of a SYMDEV, whic... How do I prevent trespass storms on a CLARiiON array connected to OpenVMS? Symptom Many trespasses and trespass storms are observed. Cause OpenVMS has native multipathing. At boot time it randomly selects which path to use to init...