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# RDF Directors analyze view (Diagnostic and Historical)

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

Table 1. RDF Directors analyze view (Diagnostic and Historical)
Attribute | Description
--- | ---
Name | The ID of each SRDF director
% Busy | The percent of time that a director is busy
IOs/sec | The number of I/O operations per second handled by the director
MBs Sent/sec | The average size of MBs sent (per second) by the director
MBs Received/sec | The average size of MBs received (per second) by the director
Copy IOs/sec | The number of copy I/Os (per second) by the director - copy is a generic SRDF term meaning a full track that comes from background data movement. These copies can be generated by a number of different things, including if the SRDF device is in adaptive copy mode. Adaptive copy is included in this term, but not exclusively. For example, if SRDF is suspended, hosts continue to write to the R1 and then SRDF is resumed, the resulting R1->R2 copy of tracks (due to invalids) is a “copy.”
Copy MBs/sec | The size of copy I/O operations per second by the director
% Compressed MBs Sent | The percent of total MBs sent by the director that were compressed MBs