What is the difference between CI( Control Interval)and CA
(Control Area)?
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Answer Posted / rameez akhtar
In vsam data sets data is stored in CIs & CAs, CI is small
unit and CA is big unit, a ca contain more then one CIs, CI
have four components
Data
CISF
RDF
Free space
CA also have free space in between records, that space is
used when new records added to the data set can not fit in
the free space of CIs.
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