Detailed End-to-End iSCSI Setup 41Configuring DevicesYou can perform all operations related to Virtual Disks (Devices) using thefollowing options in PowerVault NX1950 Management Console:• Create/Delete Virtual Disk—Virtual Disks are represented with a .vhdextension. You can create or delete Virtual Disks using this option.• Extend Virtual Disk—You can dynamically increase the size of an iSCSIVirtual Disk without losing data and without restarting the iSCSI Target.• Import—You can import the old Virtual Disks, existing Virtual Diskspreviously created on the same server or another server. This feature isuseful during software upgrades.• Disable—You can temporarily take the Virtual Disk offline and can bringthe Virtual Disk back online with the Enable option.• Assign/Remove Target—Associate Virtual Disk with one or more targets,remove the existing association.• Create Snapshot—You can take a snapshot of the Virtual Disk contents atan given instance.• Disk Access—Mount Read/Write (Provision of Read/Write access of theVirtual Disk by mounting it as a volume in the PowerVault NX 1950storage system. Mounted Virtual Disk will appear as a local disk)NOTICE: Before mounting the Virtual Disk, disconnect all iSCSI Targets using thesame Virtual Disk. Failure to do so can cause data corruption.Establishing ConnectionsAfter you install and configure iSCSI Initiators and Targets, you mustestablish sessions to ensure successful login from Initiator to Target and toperform iSCSI block I/O operations.Pre-Requisites• Perform the procedure in "Configuring iSCSI Devices" on page 28.• Ensure that Target Portals information is added in Microsoft iSCSIInitiator Properties→Discovery tab.Follow these steps to establish sessions:1 Log on to iSCSI Target device.