what is control interval(CI) and control Area(CA)
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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.
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Answer / juni
In VSAM CI is the logical unit meant for data transfer. CA
is the combination of CI
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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
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