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# Host IO Limit by SG analyze view (Diagnostic and Historical)

Analyze views provide in-depth drill-down on storage system data for various collection ranges.

Table 1. Host IO Limit by SG analyze view (Diagnostic and Historical)
Attribute | Description
--- | ---
ID | The name of the storage group
Host IOs/sec | Number of I/Os the FE port is completing for the storage group
Read RT (ms) | The average time that it takes to serve one read I/O for this storage group
Write RT (ms) | The average time that it takes to serve one write I/O for this storage group
Host IO Limit IOs/sec | The number of I/Os the FE port is processing on behalf of the specific storage group
Host IO Limit Limit MBs/sec | The number of MBs the FE port is processing on behalf of the specific storage group
Host IO Limit Exceeded secs | The number of I/Os the FE port is performing on behalf of the specific storage group