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HP XP P9000 Performance Advisor Software User Manual

Page 392

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Table 41 Metrics and descriptions (continued)

Description

Metric

Metric category

Each External RAID group
value is the sum of all the

The total frontend I/Os
made on an external
volume.

Total Sequential Reads MB
- Frontend

LDEVs in all the Ext-RAID
groups in the array.
The chart displays only one
Ext-RAID Group if

The total random frontend
I/Os rate on this external
volume during the entire
collection interval.

Total Random IO-Frontend

configuration data is collected
through the inband mode. The
value displayed in the chart

The total random frontend
reads rate on this external

Total Random
Read-Frontends

is a sum of all the Ext-RAID
Groups in the array.

volume during the entire
collection interval.

Out of the total random
frontend reads rate on this

Total Random Reads Cache
Hit-Frontend

external volume, the number
of random reads available
in the cache.

The total random frontend
writes rate on this external

Total Random Write -
Frontend

volume during the entire
collection interval.

The total sequential frontend
I/Os rate on this external

Total Sequential IO -
Frontend

volume over an entire
collection interval.

The total sequential frontend
I/Os rate on this external

Total Sequential Read -
Frontend

volume for a given range of
time.

The number of sequential
frontend reads serviced from

Total Sequential Reads
Cache Hit - Frontend

the cache in terms of the
I/Os rate on this external
volume.

The total sequential frontend
write rate for this external

Total Sequential Write -
Frontends

392 Metric Category, metrics, and descriptions

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