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Table 18 describes the Port performance metrics.

Table 18 Port performance metrics

DescriptionPerformance Metrics

Average I/O rate of the last measurement intervalCurIO

Minimal I/O rate of the last 60 secondsMinIO

Maximum I/O rate of the last 60 secondsMaxIO

Average I/O rate of the last 60 secondsAvgIO

Calculate average I/O size (=avgKB / avgI/O)KB/IO

Average throughput of the last measurement intervalCurKB

Minimal throughput of the last 60 secondsMinKB

Maximum throughput of the last 60 secondsMaxKB

Average throughput of the last 60 secondsAvgKB

Table 19 describes the LDEV performance metrics.

Table 19 LDEV performance metrics

DescriptionPerformance Metrics

Average Front-end I/OsIOPS (TotalRd + TotalWr)

Average Write percentageWrite Ratio %

Average Sequential I/O percentageSequential IO ratio %

Average Read Cache Hit percentageRead hits % for LDEV

Average ThroughputThroughput [KB/s]

Average I/O Response TimeIO response time [ms]

Back-end / Front-end I/O ratioBack-end to Front-end IO ratio [%]

Average LDEV I/O utilizationLDEV Utilization % for LDEV

Back-end I/OCache lines staged/destaged [1/s]

Table 20 describes the RAID Group performance metrics.

Table 20 RAID Group performance metrics

DescriptionPerformance Metrics

Average Front-end I/OsIOPS (TotalRd + TotalWr)

Average Write percentageWrite Ratio %

Average Sequential I/O percentageSequential IO ratio %

Average Read Cache Hit percentageRead hits % for LDEV

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Hp XP Performance Advisor Software Manual do Utilizador Página 49