HP 3PAR Operating System Software - Manual (Page 174)

4. Select a performance Mode from the list. The options are as follows:
•
Performance – Moves more data to the high-performance tier.
•
Balanced – Moves data such that performance and cost are balanced.
•
Cost – Moves more data to the low-performance, less expensive tier.
5. In the Tier CPGs group box, select at least two CPGs to tier from the lists provided. Only CPGs
in the selected domain that are not used in any other AO configuration will be displayed.
•
Tier 0 – High-performance tier. Select a high-performance frequently accessed CPG, such
as a RAID 1 SSD disk.
•
Tier 1 – Mid-performance tier. Select a medium-performing CPG, such as RAID 1 FC disk.
•
Tier 2 – Low performance tier. Select a low-performing, infrequently accessed CPG, such
as a RAID 5 NL disk.
6. Click Next to go to the Schedule AO page.
Schedule AO
1. If you wish to start or schedule the AO configuration at this time, select the Start or schedule
AO configuration checkbox. Otherwise, click Next to go to the Summary page.
2. Select Run Now to start the data optimization process (or the analysis of potential optimization),
or select Create Schedule to schedule the data optimization process (or analysis) for a later
time.
3. In the General groupbox, select the System on which you're creating the schedule.
4. Select the Domain (if any) on which the AO configuration resides.
5. Select the AO Configuration to schedule.
6. In the Settings groupbox, select a Max Run Time from the list. This value is the time frame
within which the system can move data regions each time the configuration executes. If the
data-movement process is projected to run longer than the specified max run time, the system
limits the amount of data to move. If the process runs longer than the specified max run time,
the system stops data movement as soon after the time limit as possible and still maintain data
integrity.
7. If you wish to analyze the potential data region movement without running the AO
configuration, select Analyze Only.
NOTE: An AO license is required in order to perform the actual tuning and optimization.
If no AO license is present on the array, only an analysis of potential optimization can be
performed.
8. In the Measurement Interval groupbox, enter the Start time to begin analyzing the tiered CPGs.
The analysis will begin the specified number of hours or days prior to the scheduled AO
configuration. To determine an appropriate number of hours, consider the amount of time the
performance of the tiered CPGs is important; for example, 3 hours at the end of each business
day
9. Enter the time to End analyzing the tiered CPGs. The analysis will end the specified number
of hours or days prior to the scheduled AO configuration.
10. If you selected Create Schedule:
a. In the Schedule groupbox, enter a Name for the schedule.
b. If you wish to be alerted if the task fails, select Generate alert if task fails.
c. Select the recurrence schedule as shown in “The Common Schedule Panel” (page 349) .
11. Click Next to go to the Summary page.
Summary
Review the summary information, then click Finish.
174 Managing VLUNs