HP XP P9000 Auto LUN Software - Manual (Page 30)

10. Optionally, edit the following values in the Auto Migration Conditions section:
•
Max. migration duration: the time limit for auto migrations. If the time limit is reached,
Auto LUN cancels all incomplete operations.
•
Max. disk utilization: the global disk usage limit for parity groups. If a parity group's disk
usage rate exceeds this limit, all auto migration plans involving this parity group are
cancelled.
•
Max. number of vols for migration: the maximum number of volumes that can be migrated
through auto migration at the same time.
11. If not already enabled, set the Auto Migration function to Enable.
12. Click Set to apply the settings to the storage system.
Auto LUN can now create and execute migration plans. Auto LUN creates plans 30 minutes later
than the specified Sampling Term (for example, if 13:00 - 15:00 is specified, a plan will be created
at 15:30). The migration plans will be executed on the specified day at the specified Migration
Time.
Deleting auto migration plans
You can change or cancel auto migration plans before they are executed. If you delete an auto
migration plan which is being executed, the data in the target volume is not guaranteed.
Procedure 4 To delete auto migration plans:
1. Click Actions
→Other Function→Auto LUN to open the Auto LUN window.
2. Click to change to Modify mode.
3. In the Auto LUN window, click Plan. A different window appears.
4. Click the Auto Plan tab to display the “Auto Plan window” (page 59) .
5. To delete one or more auto migration plans, select an auto migration plan in the list and click
Delete. All auto migration plans below the selected auto migration plan are also deleted. Click
Delete All to delete all auto migration plans in the list.
6. Click Apply.
Recreating auto migration plans
If auto migration operations did not produce enough improvements in disk access performance,
you can discard the current auto migration plans and make new auto migration plans.
Procedure 5 To make new auto migration plans:
1. If necessary, change the disk usage rate limit for an HDD class. For details, see “Changing
disk usage rate limit for an HDD class” (page 33) .
2. Click Actions
→Other Function→Auto LUN to open the Auto LUN window.
3. Click to change to Modify mode.
4. In the Auto LUN window, click Plan. A different window appears.
5. Click the Auto Plan tab to display the “Auto Plan window” (page 59) .
30 Auto LUN operations