What is the difference between CI( Control Interval)and CA
(Control Area)?

Answer Posted / kalyan rakesh

VSAM groups logical records into blocks called control
interval.
control intervals are inturn grouped into control areas.

A control interval consists of 1)data records
2)free space
3)unused space
4)control information of
a)RDF
b)CIDF
collection of adjacent CI s is CA.

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