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  1. Categories >> Software >> MainFrame >> IBM MainFrame >> VSAM
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what is control interval(CI) and control Area(CA)

Question Posted / hariprasad

Answers were Sorted based on User's Feedback



what is control interval(CI) and control Area(CA)..

Answer / lakshmi

A CI(control interval) is the unit of information that VSAM transfers between the storage device and the virtual storage.
A group of LRs will make one CI.

A CA(control area) is one or more CIs put together into fixed-length contiguous areas of DASD.

Is This Answer Correct ?    5 Yes 0 No

what is control interval(CI) and control Area(CA)..

Answer / juni

In VSAM CI is the logical unit meant for data transfer. CA
is the combination of CI

Is This Answer Correct ?    5 Yes 2 No

what is control interval(CI) and control Area(CA)..

Answer / pratheep

CI:

VSAM stores records in the data component of cluster in
units called control interval.CI is the VSAM equivalent for
a block and the unit of data that is actually transmitted
when the records are read or written

CA:
CA is the fixed length unit of DASD storage containing
number of CI

Is This Answer Correct ?    3 Yes 0 No

what is control interval(CI) and control Area(CA)..

Answer / kamal

contorl interval collection of data,rdf and cidf.
one or more control interval is called as control area.

Is This Answer Correct ?    5 Yes 3 No

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