To change the pool of Dynamic Tiering or active flash to the pool of the data direct mapping attribute, operate as follows:Changing pool for Dynamic Provisioning to pool for Dynamic Tiering or active flash
The Storage Administrator (Provisioning) role is required to perform this task.
To change the pool of Dynamic Tiering or active flash to the pool of the data direct mapping attribute, operate as follows:
In the operation target pool, open the Edit Pools window, then select Enable from the Multi-Tier Pool field.
Apply the setting to the storage system.
In the operation target pool, open the Edit Pools window, then select Enable from the Data Direct Mapping field.
Apply the setting to the storage system.
To change a pool for Dynamic Provisioning to a pool for Dynamic Tiering or active flash:
Perform one of the following to display the Pools window.
For Command Suite:
On the Resource tab, expand the Storage Systems tree. Right-click DP Pools of the target storage system, then select System GUI.
For Storage Navigator:
In the tree on the left pane of the main window, select Pools.
From the Pools table on the right, click the row of a pool you want to change to the Dynamic Tiering or active flash setting.
Perform one of the following to display the Edit Pools window.
Click More Actions and select Edit Pools.
Click Actions > Pool > Edit Pools to open the window.
Check Multi-Tier Pool.
Select Enable from the Multi-Tier Pool field.
If active flash is used, select the Active Flash check box. If there is no pool volume whose drive type is SSD, the check box cannot be selected.
To configure Dynamic Tiering:
Select the Tier Management check box.
From the Tier Management field, select Auto or Manual.
Typically, set Auto.
When you select Auto, monitoring and tier relocation can automatically executed.
When you select Manual, monitoring and tier relocation can be executed with the Command Control Interface commands or the Pools window.
When you change the setting of Auto to Manual while monitoring and tier relocation is executing, it is canceled.
From the Cycle Time list, select the cycle of performance monitoring and tier relocation.
When you change the Cycle Time while performance monitoring and tier relocation are being executed, the setting becomes effective for the next cycle after the current cycle is complete.
When you select 24 Hours (default):
Monitoring and tier relocation is performed once a day. In the Monitoring Period field, specify the time of starting and ending of monitoring in 00:00 to 23:59 (default value).
If you specify the starting time later than the ending time, the monitoring continues until the time you specify as the ending time on the next day.
You can view monitored information with Device Manager - Storage Navigator and Command Control Interface.
When you change the time range of performance monitoring, the setting becomes effective from the next cycle after the cycle that is executing completes.
When you select 0.5 Hours, 1 Hour, 2 Hours, 4 Hours, or 8 Hours:
Performance monitoring is performed every duration you selected starting at 00:00.
You cannot specify the monitoring period.
Select the Monitoring Mode check box.
From the Monitoring Mode option, select Period Mode or Continuous Mode.
To perform tier relocation using the monitor results from the prior cycle, select Period Mode. To perform tier relocation weighted to the past period monitoring result, select Continuous Mode.
Select the speed for page relocation in Relocation speed. You can set the speed to: 1(Slowest), 2(Slower), 3(Standard), 4(Faster), or 5(Fastest). The default is 3(Standard). If the speed specified is slower than 3(Standard), the data drive load is low when tier relocation is performed.
Select the Buffer Space for New page assignment check box.
In the Buffer Space for New page assignment text box, enter an integer value from 0 to 50 as the percentage (%) to set for each tier.
Select the Buffer Space for Tier relocation check box.
In the Buffer Space for Tier relocation text box, enter an integer value from 2 to 40 as the percentage (%) to set for each tier.
Click Finish.
The Confirm window appears.
In the Task Name text box, enter the task name.
You can enter up to 32 ASCII characters and symbols, except for \ / : , ; * ? " < > |. The value "date-window name" is entered by default.
In the Confirm window, click Apply to register the setting in the task.
If the Go to tasks window for status check box is selected, the Tasks window appears.