Expanding thp/smart pools, Shrinking a thp/smart pool, 47 shrinking a thp/smart pool – HP XP P9000 Command View Advanced Edition Software User Manual
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Expanding THP/Smart pools
By expanding THP/Smart pools, pool capacity can be increased or THP pools can be converted to
Smart pools. You can expand a THP/Smart pool by adding volumes to the pool.
Before expanding THP/Smart pools, you must:
•
register the storage system
•
When defining an external LDEV tier rank, a storage system that has multiple performance levels
must be externally connected
Verify the following when using XP24000/20000 and HP StorageWorks P9500 Disk Array for THP
pools:
•
Only parity groups from which volumes have already been created can be added.
Verify the following when using HP StorageWorks P9500 Disk Array for Smart pools:
•
Only parity groups for each hardware tier from which volumes have already been created can
be added.
1.
On the Resources tab, select THP Pools under the target storage system.
2.
In the list of THP pools, select a pool and click Expand Pool.
3.
Follow the instructions to create a plan.
4.
Click Show Plan to review the plan and specify additional information, as appropriate:
• Verify the information that is displayed.
• Enter a name in Task Name.
• Specify when the task should execute.
5.
Click Submit.
The plan is registered as a task.
6.
On the Tasks & Alerts tab, confirm that the task has completed successfully.
7.
In the Storage Systems tree, return to the target storage system, click THP Pools and confirm that
the information is updated.
Shrinking a THP/Smart pool
Shrinking a THP/Smart pool allows the recovery of excess free capacity.
1.
On the Resources tab, select Storage Systems in the navigation tree.
2.
Expand the tree for the target storage system that includes the THP/Smart pool you want to shrink,
and select it in THP Pools.
3.
In the THP Pool Vols tab, select THP/Smart pool volumes, and then click Shrink Pool.
4.
Review the plan and specify additional information, as appropriate:
• Verify the information that is displayed.
• Enter a name in Task Name.
• Specify when to execute the task.
5.
Click Submit.
The plan is registered as a task.
6.
On the Tasks & Alerts tab, confirm that the task completed.
7.
In the Storage Systems tree, return to the target storage system, click THP Pools, and confirm that
the information is updated.
User Guide
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