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




Answers were Sorted based on User's Feedback



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

Answer / 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.

Is This Answer Correct ?    14 Yes 0 No

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

Answer / 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.

Is This Answer Correct ?    2 Yes 0 No

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

Answer / rohan

Area occupied by the vsam cluster is divided into contiguous area called as control interval.
Area occupied by the control interval is known as control area.

Is This Answer Correct ?    1 Yes 0 No



Post New Answer



More VSAM Interview Questions

is it slower if you access a record through alternative index as compared to primary index?

0 Answers   IBM,


should a AIX should be a unique value?

1 Answers  


Explain the meaning and syntax for the START command. ?

4 Answers   IBM,


what do you mean by a upgrade set in vsam?

0 Answers   IBM,


What is the utility program closely associated with VSAM?

1 Answers  






What is Base Cluster ?

1 Answers  


What is a CI, control interval?

3 Answers  


Under IDCAMS , multiple functions can be executed, each of which returns a cond code. What will be the condition code returned to the operating system ?

1 Answers   IBM,


FREESPACE can be specified for which type of cluster? a.LDS b.RRDS c.ESDS d.KSDS

2 Answers  


By seeing a program how we findout it is a VSAM program?

6 Answers   TCS,


Describe SHAREOPTIONS parameter (SHR) in Define Cluster command.?

1 Answers  


What is the meaning of VSAM RETURN-CODE 28?

3 Answers  






Categories