9.5.01 HP P4000 SAN Solution User Guide (AX696-96168, February 2012)

Table 61 Performance Monitor statistics
NSMVolume or SnapshotClusterDefinitionStatistic
XXXAverage read requests
per second for the
sample interval.
IOPS Reads
XXXAverage write requests
per second for the
sample interval.
IOPS Writes
XXXAverage read+write
requests per second
for the sample interval.
IOPS Total
XXXAverage read bytes
per second for the
sample interval.
Throughput Reads
XXXAverage write bytes
per second for the
sample interval.
Throughput Writes
XXXAverage read and
write bytes per second
for the sample interval.
Throughput Total
XXXAverage read transfer
size for the sample
interval.
Average Read Size
XXXAverage write transfer
size for the sample
interval.
Average Write Size
XXXAverage read and
write transfer size for
the sample interval.
Average I/O Size
-XXNumber of
outstanding read
requests.
Queue Depth Reads
-XXNumber of
outstanding write
requests.
Queue Depth Writes
XXXNumber of
outstanding read and
write requests.
Queue Depth Total
XXXAverage time, in
milliseconds, to service
read requests.
IO Latency Reads
XXXAverage time, in
milliseconds, to service
write requests.
IO Latency Writes
XXXAverage time, in
milliseconds, to service
IO Latency Total
read and write
requests.
-XXPercent of reads
served from cache for
the sample interval.
Cache Hits Reads
X--Percent of processor
used on this storage
CPU Utilization
Accessing and understanding the Performance Monitor window 215