HP StorageWorks P9000 Performance Advisor Software v5.2 User and Troubleshooting Guide (T1789-96315, June 2011)

DescriptionMetricMetric category
The frontend random
write I/Os on all the
LDEVs created in a RAID
group.
RAID Group Random
Writes – Frontend
The sum total of frontend
sequential I/Os on all the
LDEVs created in a RAID
group.
RAID Group Total Sequen-
tial IO – Frontend
The frontend sequential
read I/Os on all the
LDEVs created in a RAID
group.
RAID Group Sequential
Reads – Frontend
The number of sequential
frontend read I/Os ser-
viced from the cache in
terms of the I/Os writes
for a RAID group.
RAID Group Sequential
Reads Cache Hits – Fron-
tend
The frontend sequential
write I/Os on all the
LDEVs created in a RAID
group.
RAID Group Sequential
Writes – Frontend
Each ThP pool value is the
sum of all the LDEVs in the
ThP.
The cumulative frontend
I/Os over the entire collec-
tion interval on individual
virtual volumes defined in
this pool.
THP Pool Total IO
The sum total of random
frontend I/Os on individu-
al Virtual volumes defined
in this pool.
THP Pool Total Random
IO
The sum total of random
frontend read I/Os on in-
dividual Virtual volumes
defined in this pool.
THP Pool Random Reads
The sum total of random
frontend read I/Os on in-
dividual virtual volumes
defined in this pool,
which are serviced from
the cache.
THP Pool Random Read
Cache Hits
The sum total of random
frontend write I/Os on in-
dividual virtual volumes
defined in this pool.
THP Pool Random Writes
The sum total of sequen-
tial frontend I/Os on indi-
vidual virtual volumes
defined in this pool.
THP Pool Total Sequential
IO
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