HP XP7 User Manual page 309

For example, if the dot is placed far from the lower limit of the tier range, the lower limit levels of
the Tier 1 Range and Tier 2 Range are adjusted to improve the visibility of the performance graph.
In this case, the value that is obtained by RAID Manager may not correspond with the value of the
dot displayed in a performance graph.
For V-VOLs
The following table provides the View Tier Properties table information when LDEV information is
present.
Tier Properties table when selecting a THP V-VOL
Item
LDEV ID
LDEV name
Tiering Policy
New Page Assignment Tier
Tier Relocation
Relocation Priority
Tier name
Drive Type/RPM
Pool Capacity
Used Capacity (Used %)
Recent Tier Utilization (monitoring period) table
Item
Header area
Tier name
Average Number of I/O (per Hour)
* This field is updated when performance monitoring information is collected, asynchronously with Used Capacity
(Used %). If ? is displayed, take the actions displayed in the header area of the Recent Tier Utilization table. If an error
message and countermeasure are not shown in the header area of the Recent Tier Utilization table, refresh the window.
If ? continues to display, call HP technical support.
Performance Graph
Item
Performance graph
Volume
Description
Displays the combination of the LDKC, CU, and LDEV.
Displays the LDEV name.
Displays the tiering policy name and ID.
Displays the new page assigned tier.
Displays whether tier relocation is set to Enabled or Disabled.
Displays the relocation priority.
Displays the tier names: Tier1, Tier2, Tier3, and Total. Each column displays
information about the tier.
Displays the data drive type and RPM of tier.
If multiple types exist in a tier, Mixed is displayed. For an external volume, Drive
Type displays External Storage with the value of the external LDEV tier rank.
Displays the total capacity of each tier and total capacity of the pool.
Displays the percentage of the used capacity for the pool and each tier. The
field is updated asynchronously with the Recent Tier Utilization table and when
the View Tier Properties window is opened. The Used Capacity of each tier may
differ from the sum of the used capacities of all tiers.
Description
If a error occurs, a message appears.
Displays the tier names: Tier1, Tier2, Tier3, and Total. Each column displays
information about the tier.
Displays the average number of I/Os on an hourly basis.*
Description
Displays the performance graph of the entire pool or tiering policy.
If the period mode of the monitoring mode is specified, this item appears. When
this check box is selected, the performance graph appears. The vertical scale
View Tier Properties window 309