HP StorageWorks P9000 Performance Advisor Software v5.4 User Guide (T1789-96328, April 2012)

• “Utilization Summary” on page 203
• “10 busiest LDEVs/Ports” on page 228
• “RAID Group summary” on page 231
• “Port summary” on page 233
• “Viewing LDEV data” on page 236
Viewing RAID group summary
To view the summary of overall utilization of RAID groups for an XP or a P9000 disk array, click RG
Summary in the component selection tree for that XP or P9000 disk array. This feature totals the LDEV
I/Os, LDEV MB/s, cache fast write, disk fast write, cache bypass, and backend transfer values for
all the LDEVs on a given RAID group. In addition, it also displays the percentage of the RAID Group
utilization random read, random write, random write parity, sequential read, sequential write,
sequential write parity, and the overall RAID group percentage utilization (sum of the above
percentages) on a given RAID group.
IMPORTANT:
• The RAID group utilization percentage is not displayed for external storage volumes.
• The Auto LUN XP software must be installed, and monitoring must be enabled on the
XP1024/XP128 Disk Array for the RAID group utilization metric to be available on these arrays.
Click a RAID group ID to view the associated performance graphs in the Chart Work Area. In addition,
view the associated details, such as the RAID level, ACP pair, drive type, and RPM rate. For more
information, see “Plotting charts” on page 262.
Click Refresh when you want to view the updated RAID group summary.
Figure 23 RAID Group summary
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