What are two reasons to run the DB Batch backout utility?

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What are two reasons to run the DB Batch backout utility?..

Answer / mahesh vasudevan

When the DL/I job abends then it might leave an update that
could be partial...and hence it requires a backout to the
last commit point. To undo the partial update the batch
backout utility is run so that you get a valid checkpoint
from which the job can be restarted with proper parameters
and log tapes.

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What are two reasons to run the DB Batch backout utility?..

Answer / jak

1)The utility is used to recover databases to a point before
a program was initiated, or to a checkpoint or sync point.
2)It backs out all updates for all DL/1 data sets performed
in that time period.

That why for batch backout utility we need the job name,PSB.

It is run as a normal IMS batch job and uses the program
specification block (PSB) of the program whose
updates are to be backed out.

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What are two reasons to run the DB Batch backout utility?..

Answer / jak

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What are two reasons to run the DB Batch backout utility?..

Answer / s

To backout the changes made by the failed job, DBRC=Y
To backout the changed made by a successful job, DBRC=C

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