HP XP P9000 Performance Advisor Software - Manual (Page 396)

Table 41 Metrics and descriptions (continued)
Description Metric Metric category
Out of the sum total of
frontend random read I/Os RAID Group Random Reads
Cache Hits – Frontend
on all the LDEVs created in
a given RAID group, the
number of random reads
available in the cache.
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 RAID Group Total Sequential
IO – Frontend
LDEVs created in a RAID
group.
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 serviced RAID Group Sequential
Reads Cache Hits – Frontend
from the cache in terms of
the I/Os writes for a RAID
group.
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
collection interval on Total IO - Frontend
individual virtual volumes
defined in this pool.
The sum total of random
frontend I/Os on individual Total Random IO - Frontend
Virtual volumes defined in
this pool.
The sum total of random
frontend read I/Os on Total Random Reads -
Frontend
individual Virtual volumes
defined in this pool.
The sum total of random
frontend read I/Os on Total Random Read Cache
Hits - Frontend
individual virtual volumes
defined in this pool, which
are serviced from the cache.
The sum total of random
frontend write I/Os on Total Random Writes -
Frontend
individual virtual volumes
defined in this pool.
The sum total of sequential
frontend I/Os on individual Total Sequential IO -
Frontend
virtual volumes defined in
this pool.
The sum total of sequential
frontend read I/Os on Total Sequential Reads -
Frontend
individual virtual volumes
defined in this pool.
396 Metric Category, metrics, and descriptions