
RAID Group performance metrics
Table 15 describes the RAID Group performance metrics.
Table 15 RAID Group performance metrics
DescriptionUnit
Performance
metrics
RAID Group identifiernumberRG
LDEV identifiernumberLDEV
Average Front-end I/OsnumberIOPS
Average Write percentage%Wr%
Average Sequential I/O percentage%Seq%
Average Read Cache Hit percentage%r_H%
Average I/O sizeKB/IOkB/IO
Average ThroughputKB/sKB/s
Average I/O Response time within back-end arraymsms
Front-end I/O Density [IOPS/GB]numberFeD
Back-end / Front-end I/O rationumberBe/Fe
Average RAID Group I/O utilization%RG%
Back-end I/OnumberBe
CPU performance metrics
Table 16 describes the CPU performance metrics.
Table 16 CPU performance metrics
DescriptionUnit
Performance
metrics
Serial number of the arraynumberSer
CH slot numberstringSlot
CH PCB type (Fibre/SCSI/FICON/DKA)stringType
Minimum CPU utilization on PCB [%]%Min%
Maximum CPU utilization on PCB [%]%Max%
Average CPU utilization on PCB [%]%Avg%
CHA PCB Busy Time for CPU 0 (if installed)numberMP0
XPWatch and XPSketch Reference Guide 37
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