HP StorageWorks XP48 Disk Array - Manual (Page 50)

Using Provisioning Manager 50
Figure 3-12 Relationship between Host Device File and Subsystem LU (with VM)
3-5-2 Deleting a Device File
Once you specify the device file you wish to delete, Provisioning Manager can automatically perform the
process of deleting the device file. Note, however, that this operation performs only the host-side operations; it
does not remove the paths on the subsystem side (it does not release LUNs), it does not release any LUSEs,
nor does it release any volumes (LDEVs). Therefore, the user must manually delete (unallocate) the volumes
from the list or modify the Device Manager security settings.
When deleting a device file, if a volume group has been created for the device file being deleted, the logical
volume being used is deleted. Further, if the logical volume being deleted is the last volume in the volume
group, all of the physical volumes (LUs) configuring that volume group are removed from that volume group,
and the volume group is deleted.
3-6 About Provisioning Plans
A provisioning (allocation) plan is a collection of common items (parameters) that are specified when a storage
volume is operating. By predefining a provisioning plan, you can improve the operating efficiency of the storage
volumes.
You can apply a provisioning plan when performing the following operations:
• Viewing a storage pool by perspective (by subsystem)
• Viewing a list of allocated or unallocated volumes
• Moving a volume between storage pools
3-6-1 Creating a Provisioning Plan
You can specify the following items when creating a provisioning (allocation) plan:
• Plan name
• Description (you can specify the purpose of the plan or other desired information)
• Series name of the storage subsystem