You might choose to change a for these reasons: changing the , changing the that is mapped to a , or reconfiguring your . When you change a virtual disk mapping, the changes apply to both the and the .
Note:
Before you remove a host-to-virtual disk mapping, you must stop any data access () to the virtual disks.When you change a host-to-virtual disk mapping, any that were associated with the host or host group are undefined. If you change a mapping to a virtual disk, a host, or a host group, you will need to redefine the HBA host port.