When we create a physical dataset we specify dcb parameter block size.What is

When we create a physical dataset we specify dcb parameter
block size.What is the use of Blocking?

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When we create a physical dataset we specify dcb parameter block size.What is the use of Blocking?..

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.

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When we create a physical dataset we specify dcb parameter block size.What is the use of Blocking?..

Answer / ashish

dcb is to specify the nature of the filei.e size, format,
blksize, ps or po.

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When we create a physical dataset we specify dcb parameter block size.What is the use of Blocking?..

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).

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When we create a physical dataset we specify dcb parameter block size.What is the use of Blocking?..

Answer / sizer

We use Blocking when want increase the read/write speed
with this dataset. Than greater is BLKSIZE, then faster is
IO.

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