HP StorageWorks XP Performance Advisor Software v4.6 User and Troubleshooting Guide (T1789-96094, June 2010)
DescriptionMetricMetric category
Single port.
The maximum frontend
IO/s rate on this port over
an entire collection inter-
val. It is the maximum of
the last collection interval.
For example, if port I/O
collection interval is set to
two minutes, the Maxim-
um Port IO will be calcu-
lated as the maximum
value over the two minute
collection period.
Maximum Port IO – Fron-
tend
The minimum frontend
IO/s rate on this port over
an entire collection inter-
val.
Average Port IO – Fron-
tend
The average frontend
IO/s rate on this port over
an entire collection inter-
val.
Minimum Port IO – Fron-
tend
Each RAID group value is
the sum of the LDEVs in the
RAID group.
The sum total of the fron-
tend IO/s on all the
LDEVs created in a RAID
group.
RAID Group Total IO –
Frontend
The sum total of the fron-
tend random IO/s on all
the LDEVs created in a
RAID group.
RAID Group Total Ran-
dom IO – Frontend
The frontend random read
IO/s on all the LDEVs
created in a RAID group.
RAID Group Random
Reads – Frontend
Out of the sum total of
frontend random read
IO/s on all the LDEVs
created in a given RAID
group, the number of
random reads available
in the cache.
RAID Group Random
Reads Cache Hits – Fron-
tend
The frontend random
write IO/s on all the
LDEVs created in a RAID
group.
RAID Group Random
Writes – Frontend
The sum total of frontend
sequential IO/s on all the
LDEVs created in a RAID
group.
RAID Group Total Sequen-
tial IO – Frontend
Appendix F358