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

G Appendix G
Following are the set of real-time metrics:
Table 21 Real-time metrics definitions
DefinitionsReal-time metrics
Average Front End writes/Average Front EndTotal IOAvg write ratio
Average FE Sequential IO/ Avareage FE total IOAvg seq IO ratio
Average Read IO/s fround in the CacheAvg Read hits
Average read/write IO response timeAvg IO response Time
Average Read response timeAvg Read response time
Average write response timeAvg write response
Maximum FE read/write response timeMax IO response time
Maximum FE read response timeMax read response time
Maximum FE write response timeMax write response time
Total FE (Sum of reads and write) IO/sTotal IO per second
Total FE (Sum of reads and write) IO/sTotal throughput kb per second
Total backend transfers vs Front end IO ratioTotal backend to frontend IO
Total backend read percentageTotal cache lines staged percentage
Total backend writesTotal cache lines destaged
Total backend random read percentageTotal cache lines random staged percentage
Total backend sequential read percentageTotal cache lines seq staged percentage
IO sizeTotal KB per IO
IO sizeTotal random IOPS
IO sizeTotal random read hits
IO sizeTotal random read hit IOPS
IO sizeTotal random write IOPS
IO sizeTotal read IOPS
IO size for readsTotal read KB per IO
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