HP XP Performance Advisor Software - Manual (Page 210)

Figure 24 10 busiest backend RAID groups
Related Topics
•
“Viewing performance summary” (page 177)
•
“Viewing CHIP/CHA data” (page 185)
•
“Viewing ACP/DKA data” (page 189)
•
“Utilization Summary” (page 183)
•
“10 busiest LDEVs/Ports” (page 208)
•
“RAID Group summary” (page 210)
•
“Port summary” (page 212)
•
“Viewing LDEV data” (page 214)
Viewing RAID group summary
To view the summary of overall utilization of RAID groups for an XP or an XP7 disk array, click RG
Summary in the component selection tree for that XP or XP7 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.
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” (page 234) .
Click Refresh when you want to view the updated RAID group summary.
210 Viewing XP and XP7 disk array components