Dell POWERVAULT MD3620I Owner's Manual page 59

Table 4-3. Performance Monitor Table Description
Column Headings
Devices
Total IOs
Read Percentage
Cache Hit Percentage
Current KB/second
Maximum KB/second
Current IO/second
Maximum IO/second
For more information, see the online help topics.
Planning: MD3600i Series Storage Array Terms and Concepts
Description
Controller, virtual disk or storage array total
Cumulative IO's per second from last start time
Percentage of cumulative IO's that are READs
Percentage of cumulative IO's that are in-cache
Snapshot of throughput value per second (1 KB
= 1024 bytes)
Maximum recorded throughput value from last
start time
Snapshot of IO's per second (IOP =
Input/output per second or one completed I/O
transaction)
Maximum recorded IOP from last start time
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