When we create a physical dataset we specify dcb parameter
block size.What is the use of Blocking?
Answers were Sorted based on User's Feedback
Answer / saravana
Blocking must be in multiples of LRECL. for eg,
DCB=(REFCM=FB,LRECL=80,BLKSIZE=800) It specifies a group of
record length into one single block field.
|Is This Answer Correct ?||3 Yes||0 No|
Answer / ashish
dcb is to specify the nature of the filei.e size, format,
blksize, ps or po.
|Is This Answer Correct ?||4 Yes||2 No|
Answer / neethu
BLOCK SIZE IS USED TO MENTION HOW MANY BLOCKS ALLOCATE TO
STORE MY DATA.IT ALWAYS COME AS MULTIPLES OF RECORD LENGTH.
FOR EXAMPLE DCB=(LRECL=80,RECFM=FB,BLKSIZE=800).
|Is This Answer Correct ?||3 Yes||2 No|
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