11.0 HP StoreVirtual Storage User Guide (AX696-96275, December 2013)

Table 72 Performance Monitor statistics
Storage systemVolume or
snapshot
ClusterDefinitionStatistic
XXXAverage read and write transfer size for the
sample interval.
Average I/O
Size
XXXAverage read transfer size for the sample
interval.
Average Read
Size
XXXAverage write transfer size for the sample
interval.
Average Write
Size
-XXPercent of reads served from cache for the sample
interval.
Cache Hits Reads
X--Percent of processor used on this storage system
for the sample interval.
CPU Utilization
XNumber of Fibre Channel Read Frames on this
storage system for the sample interval.
FC Read Frames
XNumber of Fibre Channel Read Words on this
storage system for the sample interval.
FC Read Words
XNumber of Fibre Channel Write Frames on this
storage system for the sample interval.
FC Write Frames
XNumber of Fibre Channel Write Words on this
storage system for the sample interval.
FC Write Words
XXAverage time, in milliseconds, to service read
requests.
IO Latency Reads
XAverage time, in milliseconds, to service read
and write requests.
IO Latency Total
XXAverage time, in milliseconds, to service write
requests.
IO Latency
Writes
XXXPercent of IO’s that are readsIO’s Reads
Percent
XXXPercent of IO’s that are writesIO’s Writes
Percent
XXXTotal percent of IO’s. This value is always 100.IO’s Total Percent
XXXAverage read requests per second for the sample
interval.
IOPS Reads
XXXAverage read+write requests per second for the
sample interval.
IOPS Total
XXXAverage write requests per second for the sample
interval.
IOPS Writes
X--Percent of total memory used on this storage
system for the sample interval.
Memory
Utilization
X--Bytes read from the network for the sample
interval.
Network Bytes
Read
X--Bytes read and written over the network for the
sample interval.
Network Bytes
Total
X--Bytes written to the network for the sample
interval.
Network Bytes
Write
222 Monitoring performance