Host-to-Virtual Disk Mapping

After you create virtual disks, you must map them to the host(s) connected to the array. When you configure host-to-virtual disk mapping, consider these guidelines:

•Each virtual disk in the storage array can be mapped to only one host or host group.

•Host-to-virtual disk mappings are shared between controllers in the storage array.

•A unique LUN must be used by a host group or host to access a virtual disk.

•Not every operating system has the same number of LUNs available.

Creating Host-to-Virtual Disk Mappings

Create host-to-virtual disk mappings by clicking the Configure tab, then clicking Create Host-to-Virtual Disk Mappings. When you click this link, the Storage Manager displays a series of pages in which you select the hosts and virtual disks to be mapped.

After you complete this configuration, verify the mapping by clicking Host-to- Virtual Disk Mappings on the Summary tab to ensure the configuration was created correctly.

Modifying and Removing Host-to-Virtual Disk Mapping

You might choose to 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.

NOTICE: Before you modify or remove a host-to-virtual disk mapping, you must stop any data access (I/O) to the virtual disks to prevent data loss.

1Stop any data access (I/O) to the virtual disks.

2Click the Modify tab and then click Edit Host-to-Virtual Disk Mappings.

MD Storage Manager displays a list of virtual disks and the hosts to which they are mapped.

3Select the virtual disk you wish to modify by clicking its name.

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Disk Groups and Virtual Disks

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Dell Computer Drive manual Creating Host-to-Virtual Disk Mappings, Modifying and Removing Host-to-Virtual Disk Mapping
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Computer Drive specifications

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