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E metric category, metrics, and descriptions, Metrics and descriptions, Metric – HP XP Performance Advisor Software User Manual

Page 387: Metric category, metrics, Metric category, metrics, and

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E Metric Category, metrics, and descriptions

Metrics and descriptions

“Metric Category, metrics, and descriptions” (page 387)

provides the metric categories and metrics

that are available in each of the metric categories, and the metric descriptions.

Table 40 Metrics and descriptions

Description

Metric

Metric category

Applicable for Open volumes.
Obtained by the sum of the

The total frontend I/Os
(random plus sequential) on

ACP Total IO

Frontend

Frontend IO Metrics

metrics of all the LDEVs in a

all the RAID groups
managed by the ACP pair.

RAID Group and all the RAID
groups being managed by the
ACP Pair.

The total frontend I/Os for
the random I/O (random

ACP Total Random IO
Frontend

reads plus random writes)
on all the RAID groups
managed by the ACP pair.

The total frontend I/Os for
the sequential IO (sequential

ACP Total Sequential IO
Frontend

reads plus sequential writes)
on all the RAID groups
managed by the ACP pair.

The frontend I/Os for
random read requests for all

ACP Random Reads
Frontend

the RAID groups managed
by the ACP pair.

The frontend I/Os for
random read requests that

ACP Random Reads Cache
Hits

Frontend

result in cache hits, for all
RAID groups managed by
the ACP pair.

The frontend I/Os for the
random write requests for all

ACP Random Writes
Frontend

the RAID groups managed
by the ACP pair.

The frontend I/Os for the
sequential read requests for

ACP Sequential Reads
Frontend

all the RAID groups
managed by the ACP pair.

The frontend I/Os for the
sequential read requests that

ACP Sequential Read Cache
Hits

Frontend

result in cache hits for all the
RAID groups managed by
the ACP pair.

The frontend I/Os for the
sequential write requests for

ACP Sequential Writes
Frontend

all the RAID groups
managed by the ACP pair.

Applicable only for
Mainframe volumes.

The frontend I/Os for the
search or reads in basic

ACP Search/Reads Basic
Mode

Frontend

Obtained by the sum of the

mode for all the RAID groups
managed by the ACP pair.

metrics of all the LDEVs in a
RAID Group and all the RAID

The frontend I/Os for the
search or reads that result in

ACP Search/Rd Hits Basic
Mode

Frontend

groups being managed by the
ACP Pair.

cache hits in basic mode for

Metrics and descriptions 387

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