Contents 1111 Configuration: PremiumFeature—Virtual Disk Copy . . . . . . . . . 169Types of Virtual Disk Copies . . . . . . . . . . . . . . . 170Offline Copy . . . . . . . . . . . . . . . . . . . . . 170Online Copy . . . . . . . . . . . . . . . . . . . . . 171Creating a Virtual Disk Copy for anMSCS Shared Disk . . . . . . . . . . . . . . . . . . . . 172Virtual Disk Read/Write Permissions . . . . . . . . . . 172Virtual Disk Copy Restrictions . . . . . . . . . . . . . . 173Creating a Virtual Disk Copy . . . . . . . . . . . . . . . 174Before You Begin . . . . . . . . . . . . . . . . . . 174Virtual Disk Copy and ModificationOperations . . . . . . . . . . . . . . . . . . . . . 175Create Copy Wizard . . . . . . . . . . . . . . . . 175Failed Virtual Disk Copy. . . . . . . . . . . . . . . 175Preferred RAID Controller Module Ownership . . . . . 176Failed RAID Controller Module . . . . . . . . . . . . . 176Copy Manager . . . . . . . . . . . . . . . . . . . . . . 176Copying the Virtual Disk . . . . . . . . . . . . . . . . . 177Storage Array Performance During VirtualDisk Copy . . . . . . . . . . . . . . . . . . . . . . . . 178Setting Copy Priority . . . . . . . . . . . . . . . . . . . 178Stopping a Virtual Disk Copy . . . . . . . . . . . . . . 179Recopying a Virtual Disk . . . . . . . . . . . . . . . . 179Preparing Host Servers to Recopy aVirtual Disk . . . . . . . . . . . . . . . . . . . . . 180