HP XP P9000 Command View Advanced Edition Software Licenses User Manual
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Top 10: Pools with the Highest Subscription
Check on a regular basis for THP/Smart pools with a high reservation rate to determine THP/
Smart pools that need pool expansion or data migration on a regular basis.
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Top 10: Tiers with the Highest Performance Utilization
Check on a regular basis for hardware tier configurations with high ratio of actual I/O operations
to the calculated maximum number of I/O operations. Used to determine Smart pools that include
hardware tier configurations with saturated performance.
The information displayed when each THP/Smart pool is selected is as follows:
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Summary
Summarizes information in a list, such as the total capacity and usage of THP/Smart pools, and
the reservation rate. Based on this information, you can review the usage status of the THP/Smart
pool.
If a Smart pool is selected, the following information can also be viewed:
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Tier Summary
Check information such as drive type, drive rotational speed, and capacity usage rate for each
hardware tier. Based on this information, you can review the usage status of hardware tiers. Note
that this summary only appears for Smart pools.
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Capacity Utilization
Check the total capacity and used capacity of the Smart pools for each hardware tier. Based on
this information, you can check whether the Smart pool has the necessary capacity. You need to
perform capacity planning for pools in which the remaining capacity is small. Look at the trends
for how pool contents increase, and estimate when you must increase capacity, and possibly add
additional media.
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Performance Utilization
Check the ratio of actual I/O operations to the calculated maximum number of I/O operations
for each hardware tier. Based on this information, you can determine the hardware tiers whose
performance is in a saturated state that then require an optimization operation (such as editing
the tiering policy or data migration).
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Top 10: Volumes Sharing Tier Capacity
Check the usage ranking of volumes that have the largest use capacity in each hardware tier.
Based on this information, you can check whether data placement is appropriate, for example by
checking whether an unexpected volume is occupying a high-speed drive. This summary only
appears for Smart pools.
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View Tier Properties
Check the page access distribution per average number of I/O operations, which is based on the
monitoring information of Smart pools.
Based on this information, you can check whether the hardware tier configuration or tiering policy
settings are appropriate.
From the page access distribution for Smart pools, you can narrow the range of displayed items
to only tiering policies or only Smart volumes, as required.
Related topics
User Guide
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