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# EM Directors analyze view (Diagnostic and Historical)

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

Table 1. EM Directors analyze view (Diagnostic and Historical)
Attribute | Description
--- | ---
Name | The ID of each EM director
% Busy | The percent of the time that a director is busy
Random Read Misses | The number of random read IOs that were misses
Random Read Miss Throughput (MB/sec) | The Random Read Miss Throughput in MBs per second
Random Write Misses | The number of random write IOs that were misses
Random Write Miss Throughput (MB/sec) | The Random Write Miss Throughput in MBs per second