HP XP P9000 Performance Advisor Software - Manual (Page 397)

Table 41 Metrics and descriptions (continued)
Description Metric Metric category
The sum total of sequential
frontend read I/Os on Total Sequential Read Cache
Hits
individual virtual volumes
defined in this pool, which
are serviced from the cache.
The sum total of sequential
frontend write I/Os on Total Sequential Writes -
Frontend
individual virtual volumes in
this pool.
Each snapshot pool value is
the sum of all the LDEVs in the
snapshot. The total frontend I/Os
(random plus sequential)
over the entire collection Total IO - Frontend
interval on all the snapshots
in a snapshot pool.
The total frontend I/Os for
random I/Os (random reads Total Random IO - Frontend
plus random writes) for all
the snapshots in a snapshot
pool.
The frontend I/Os for
random read requests for all Total Random Read -
Frontend
the snapshots in a snapshot
pool.
The frontend I/Os for
random read requests that Total Random Read Cache
Hits - Frontend
result in cache hits, for all
the snapshots in a snapshot
pool.
The frontend I/Os for
random write requests that Total Random Write -
Frontend
result in cache hits, for all
the snapshots in a snapshot
pool.
The frontend I/Os for
sequential I/Os for all the Total Sequential IO -
Frontend
snapshots in a snapshot
pool.
The frontend I/Os for
sequential read I/Os for all Total Sequential Reads -
Frontend
the snapshots in a snapshot
pool.
The frontend I/Os for
sequential read requests that Total Sequential Reads
Cache Hits - Frontend
result in cache hits, for all
the snapshots in a snapshot
pool.
The frontend I/Os for
sequential read I/Os for all Total Sequential Writes -
Frontend
the snapshots in a snapshot
pool.
Metrics and descriptions 397