Changing pool for Dynamic Provisioning to pool for Dynamic Tiering
The Storage Administrator (Provisioning) role is required to perform this task.
To change a pool for Dynamic Provisioning to a pool for Dynamic Tiering:
Perform one of following to display the Pools window.
For Hitachi 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 right, click the row of a pool you want to change to the Dynamic Tiering setting.
Perform one of 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.
To configure Dynamic Tiering:
Select the Tier Management check box.
From the Tier Management field, select Auto or Manual.
Normally Auto should be set.
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 cancelled.
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 when you specify as the ending time on the next day. Anytime that is not in the specified range of the monitor period is not monitored.
You can view the information gathered by monitoring with Hitachi 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 is complete.
When you select any of 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.
If you want to perform tier relocation using the monitor results from the prior cycle, select Period Mode. If you want to perform tier relocation weighted to the past period monitoring result, select Continuous Mode.
Select the speed to use 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 in all, 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.