what is control interval(CI) and control Area(CA)
Answers were Sorted based on User's Feedback
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 |
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 |
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 the purpose of the FILE STATUS clause in the SELECT statement?
name the utility program closely associated with vsam?
what's the biggest disadvantage of using a VSAM dataset?
8 Answers Anjana, CTS, DSRC, IBM,
What are all the ways we can create datasets?
What is free space?
what is the use of reuse in vsam?
What are the different types of VSAM files available?
How Vsam was evolved? What was the equivalent file for ESDS,KSDS and RRDS prior to evolution? What were their disadvantages of those file which leads to evolution of ESDS,KSDS and RRDS files ?
HOW TO SORT RECORDS IN VSAM FILE?
What is a vsam dataset?
When CISZ is declared as 4096 at cluster level,is this true that data will have 4096 and index will have default?????
What is the maximum number of Alternate Index ???