HP StorageWorks XP Performance Advisor Software v4.6 User and Troubleshooting Guide (T1789-96094, June 2010)

DescriptionMetricMetric category
The total random frontend
IO/s rate on this LDEV
during the entire collec-
tion interval.
LDEV Total Random IO
Frontend
The total random frontend
read IO/s on this LDEV
during the entire collec-
tion interval.
LDEV Random Reads
Frontend
Out of the total random
frontend read IO/s on this
LDEV, the number of ran-
dom reads available in
the cache.
LDEV Random Reads
Cache Hits Frontend
The total random frontend
write IO/s on this LDEV
during the entire collec-
tion interval.
LDEV Random Writes
Frontend
The total sequential fron-
tend IO/s rate on this
LDEV over an entire collec-
tion interval.
LDEV Total Sequential IO
Frontend
The total sequential fron-
tend IO/s rate on this
LDEV for a given range of
time.
LDEV Sequential Reads
Frontend
The number of sequential
frontend read IO/s ser-
viced from the cache in
terms of the IO/s rate on
this LDEV.
LDEV Sequential Reads
Cache Hits Frontend
The total sequential fron-
tend write IO/s for this
LDEV over a given time
interval.
LDEV Sequential Writes
Frontend
The output of LDEV
Total IO – [(LDEV
Random Read Cache
Hits) + (LDEV Se-
quential Read Cache
Hits)]
Total LDEV IO Miss
Frontend
HP StorageWorks XP Performance Advisor Software User Guide 357