P9000Watch and P9000Sketch Reference guide for HP StorageWorks P9000 Performance Advisor v5.4 (T1789-96332, April 2012)

P-VOL S-VOL LDEV performance metrics
Table 13 describes the performance metrics of P-VOLs and S-VOLs.
Table 13 P-VOL S-VOL LDEV performance metrics
DescriptionUnitPerformance metrics
Logical Device name.numberLDEV
RAID group identifier.numberRG
Average Front-end I/Os.numberAvgIO
Average Write percentage.%Wr%
Average Sequential I/O percentage.%Seq%
Average Read Cache Hit percentage.%r_H%
Average I/O Size.KB/IOKB/IO
Average Throughput.KB/sKB/s
Average I/O Response time.msms
Average Read Response time.msr_ms
Average Write Response time.msw_ms
Maximum of (Maximum Read Response time and Maximum
Write Response time).
msms^
Maximum Read Response time.msr_ms^
Maximum Write Response time.msw_ms^
Front-end I/O Density [IOPS/GB].numberFeD
Back-end/Front-end I/O ratio.numberBe/Fe
Average LDEV I/O utilization.%LD%
Back-end I/O.numberBe
P-VOL S-VOL RAID Group performance metrics
Table 14 describes the performance metrics of RAID groups to which the configured P-VOLs and
S-VOLs belong.
Viewing performance metrics in P9000Watch50