Dell MD3600I, MD3620I owner manual Performance Monitor Table Description Column Headings

The Performance Monitor data provides information about how your storage array is performing. The data is presented in eight columns, which are described in this table. Use this data to make performance tuning decisions for your storage array.

Table 4-3. Performance Monitor Table Description

Column Headings	Description
Devices	Controller, virtual disk or storage array total
Total IOs	Cumulative IO’s per second from last start time
Read Percentage	Percentage of cumulative IO’s that are READs
Cache Hit Percentage	Percentage of cumulative IO’s that are in-cache
Current KB/second	Snapshot of throughput value per second (1 KB
	= 1024 bytes)
Maximum KB/second	Maximum recorded throughput value from last
	start time
Current IO/second	Snapshot of IO’s per second (IOP =
	Input/output per second or one completed I/O
	transaction)
Maximum IO/second	Maximum recorded IOP from last start time

For more information, see the online help topics.

Planning: MD3600i Series Storage Array Terms and Concepts

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