HP XP Array Manager Software - Manual (Page 72)

4. Select the tiering policy, and then execute the task.
You can schedule the task to be executed later.
5. View the list of tasks to make sure that all tasks are complete.
The tiering policy is applied.
TIP:
The capacity ratio of Tier 1 might exceed the value specified for the maximum allocation threshold if
a data placement profile and a tiering policy are being used concurrently.
Related topics
• About virtualizing storage tiers , page 68
Customizing a tiering policy for Smart volumes
You can set the value for the allocation threshold of a hardware tier. When a tiering policy is specified
for Smart volumes, make sure changing the definition will not cause a problem.
Prerequisites
Tasks to complete beforehand:
• A Tiered Storage Manager license must be registered if the operations described in this topic will
be performed from the Mobility tab.
Information to check beforehand:
• Check the definition of the tiering policy to be changed.
1. On the Resources tab, expand the Storage Systems tree.
Note that you can also perform these operations from the Mobility tab.
2. For the applicable storage system, select THP Pools.
3. In the Tiering Policies tab, select a tiering policy to change, and click Customize Tiering Policy.
4. Specify the required items, and then execute the task.
On the Resources tab, by selecting THP Pools and then the Tiering Policies tab, you can verify that the
definition of the tiering policy was changed.
Related topics
• About virtualizing storage tiers , page 68
Notes on data placement profiles for Smart volumes
When using data placement profiles for Smart volumes, it is useful to understand the following:
• Data placement profiles are applied only to pages placed in Tier 1 of Smart pools.
• For pages to which both a data placement profile and tiering policy are set, the settings of the
profile are prioritized.
Managing storage resources in a SAN environment 72