350 Implementing the IBM Storwize V7000 with IBM Spectrum Virtualize V8.2.1
2. You are prompted to confirm the number of mappings to be removed. To confirm your 
action, enter the number of volumes to be removed and click Unmap (see Figure 8-33). In 
this example, we removed three volume mappings.
Figure 8-33   Confirm the number of mappings to be removed
3. The changes are applied to the system. Click Close. Figure 8-34 shows that the selected 
host no longer has any host mappings.
Figure 8-34   All mappings for host ITSO-VMHOST-01have been removed
Unmapping: If you click Unmap, all access for this host to volumes that are controlled 
by the Storwize V7000 system is removed. Ensure that you run the required procedures 
on your host operating system, such as unmounting the file system, taking the disk 
offline, or disabling the volume group, before removing the volume mappings from your 
host object on Storwize V7000 GUI.