CKPT.DAYS = number of days
This parameter specifies the number of days that checkpoint records stay in the Checkpoint file before automatic deletion during IBM® Connect:Direct® initialization. The records can be left in the Checkpoint file if transmission is interrupted and the Process is deleted without being restarted. The default is 4.
Modifiable through MODIFY INITPARMS command: YES
Note: Any error during update cancels all the changes for that particular request.