HPE XP7 User Manual page 128

Storage, performance advisor software 7.1
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Screen element
Host Group MBPS
Pool Read Response Time (msec)
Pool Write Response Time (msec)
128
Threshold settings
Description
Indicates the Total MB/s that you define an individual Host Group
can handle over a specified duration. PA uses this value to verify
whether the Total MB/s on each Host Group is within or beyond
the set threshold. The status is updated according to the value
with respect to threshold set.
Indicates the time that is the average read response time of
LDEVs that are configured for a Pool. It is time taken in
millisecond for read IOs from the time the read command is
received at the array host port to the time the array has returned
a good status frame to the host indicating a successful
completion of the read command after reception of the data from
the host. The data transfer time, which relies on the switch buffer
availability to send data frames to the array, is included in the
read response time.
PA uses this value to verify whether the average read response
time on each pool is within or beyond threshold. The status is
updated according to the value with respect to threshold set.
If the average read response time on a pool exceeds the defined
threshold limit, then the status icon changes to Critical. The
default threshold value is 5 msec.
Indicates the time that is the average response time of LDEVs
that are configured for a Pool. It is time taken in millisecond for
write IOs from the time the write command is received at the
array host port to the time the array has returned a good status
frame to the host indicating a successful completion of the write
command after reception of the data from the host. The data
transfer time, which relies on the switch buffer availability to send
data frames to the array, is included in the write response time.
PA uses this value to verify whether the average write response
time on each pool is within or beyond the set threshold. The
status is updated according to the value with respect to threshold
set.
If the average write response time on a pool exceeds the defined
threshold limit, then the status icon changes to Critical. The
default threshold value is 5 msec.
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