HP StorageWorks XP Performance Advisor Software v4.6 User and Troubleshooting Guide (T1789-96094, June 2010)

The corresponding performance graph is displayed, where the 90th and 95th percentile values are
plotted in addition to the average MB/s values.
Viewing LDEV data
XP Performance Advisor provides end to end data related to all LDEVs that are configured for an XP
array, the data includes the following:
• Performance data of all LDEVs in the XP arrays (can be part of individual XP arrays or custom
group).
• Data on associated resources, like RAID groups, host groups, ACP pairs, and CHIP ports. The
data includes the following:
• Summary for individual RAID groups that includes the following:
• RAID level
• The associated ACP pair
• Disk mech details
• Associated drive type and RPM rate
• IOPS and MBPS data for individual CHIP ports
• Total utilization of individual ACP pairs
For more information on viewing data for LDEVs belonging to a custom group, see “Viewing LDEV
data in custom groups” on page 207.
To view the data on LDEVs belonging to an XP array, select LDEV in the Resource selection tree for
that XP array. By default, the LDEV data displayed belongs to the last data collection cycle, and is
sorted based on the average read response time of individual LDEVs. If you want XP Performance
Advisor to provide data on LDEVs for a different time stamp, select the time from the hour : minutes :
seconds lists.
Viewing XP arrays resources192