HP XP Performance Advisor Software - Manual (Page 401)

Table 39 Metrics and descriptions (continued)
Description Metric Metric category
The total backend tracks
destaged in sequential mode
from the specified ACP Pair. ACP Pair Write Tracks –
Backend
The Overall backend
transfers for the selected
ACP pair. ACP Pair Total Tracks –
Backend
Total backend tracks
associated with a ThP pool. ThP Pool Backend Tracks
An aggregate of all the
backend transfers as a result
of I/Os occurring on every
VVol in a ThP pool.
The average read response
time value for an LDEV is The average read response
time of all the LDEVs created Average Read Response Response Time Metrics
obtained from dividing the in a specified RAID group
accumulated response time of over the entire data
collection interval.
all the I/Os by the total
number of I/Os on that LDEV.
Average read response
time = Accumulated
response time of all
I/Os / total number
of I/Os
The maximum read response
time of all the LDEV created Maximum Read Response
in a specified RAID group
over the last 30 seconds of
the collection interval.
The average write response
time value for an LDEV is The average write response
time of all the LDEVs created Average Write Response
obtained from dividing the in a specified RAID group
accumulated response time of over the entire data
collection interval.
all the I/Os by the total
number of I/Os on that LDEV.
Average write
response time =
Accumulated response
time of all I/Os /
total number of I/Os
The maximum write response
time of all the LDEVs created Maximum Write Response
in a specified RAID group in
the last 30 seconds of the
collection interval.
The average write response
time value for a host group is The average write response
time of all the LDEVs created Average Write Response
Time
obtained by taking the in a specified RAID group
average of the average write for the given Host group
response time of all the LDEVS over the entire data
collection interval.
associated with the given host
group.
The maximum write response
time value for a host group is The maximum write response
time of all the LDEVs created Maximum Write Response
Time
obtained after taking the in a specified RAID group
maximum value among all for the given Host group in
maximum write response time
Metrics and descriptions 401