What is the difference between primary and secondary
allocations for a dataset?

Answer Posted / s

A dataset is created in extents. Extents are contiguous
space of tracks, cyls or blocks. The first extent is called
the primary allocation. As the dataset grows, dataset is
extended using secondary extents.

Is This Answer Correct ?    25 Yes 5 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

List in order the hierarchical levels of jcl?

678


What are the utility programs in jcl?

658


Explain the function of //jcllib statement?

716


Are there any set of rules for the names of the steps used in a job? What are they?

620


What is the purpose of the dd keylen parameter?

728






What is the motivation behind coding class parameter in job statement?

698


In sms datasets, what is the function of the dd avgrec keyword?

660


I want to join to input files and write the matching fields on to an output file but i dont want the output file a sorted one

1937


What is NOTCAT ?

755


Why block size is multiple of lrecl in jcl?

919


what is the resolution for sb37 error

7738


How to do automated restart when a job abend?

797


Name a few IBM utility programs, and explain its function.

4448


how can the same proc be re-used and called by many jobs?

926


is there any way to execute more than one proc in the same exec statement at the same time..?

2117