Dell PowerVault MD3660f Administrator's Guide - Page 77
Modifying And Removing Host-To-Virtual Disk Mapping, Define Additional Mapping
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- Undefined mappings node - Individual defined mapping - Host group - Host 3. From the menu bar, select Host Mappings → LUN Mapping → Add. The Define Additional Mapping window is displayed. 4. In Host group or host, select the appropriate host group or host. All defined hosts, host groups, and the default group are displayed in the list. NOTE: When configuring an iSCSI storage array, if a host or a host group is selected that does not have a SAS host bus adapter (SAS HBA) host port defined, a warning dialog is displayed. 5. In Logical unit number, select a LUN. The supported LUNs are 0 through 255. 6. Select the virtual disk to be mapped in the Virtual Disk area. The Virtual Disk area lists the names and capacity of the virtual disks that are available for mapping based on the selected host group or selected host. 7. Click Add. NOTE: The Add button is inactive until a host group or host, LUN, and virtual disk are selected. 8. To define additional mappings, repeat step 4 through step 7. NOTE: After a virtual disk has been mapped once, it is no longer available in the Virtual Disk area. 9. Click Close. The mappings are saved. The object tree and the Defined Mappings pane in the Host Mappings tab are updated to reflect the mappings. Modifying And Removing Host-To-Virtual Disk Mapping You can modify or remove a host-to-virtual disk mapping for several reasons, such as an incorrect mapping or reconfiguration of the storage array. Modifying or removing a host-to-virtual disk mapping applies to both hosts and host groups. CAUTION: Before you modify or remove a host-to-virtual disk mapping, stop any data access (I/O) to the virtual disks to prevent data loss. To modify or remove host to virtual disk mapping: 1. In the AMW, select the Host Mappings tab. 2. In the Defined Mappings pane, perform one of these actions: - Select a single virtual disk, and select Host Mappings → LUN Mapping → Change. - Right-click the virtual disk, and select Change from the pop-up menu. 3. In the Host group or host list, select the appropriate host group or host. By default, the drop-down list shows the current host group or the host associated with the selected virtual disk. 4. In Logical unit number, select the appropriate LUN. The drop down list shows only the currently available LUNs that are associated with the selected virtual disk. 5. Click OK. NOTE: Stop any host applications associated with this virtual disk, and unmount the virtual disk, if applicable, from your operating system. 77
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