DFS2596I I/O ERROR IN ddname,cc,co,stat,sens,cchhr

Explanation

Program DBFDBDL0 attempted to read the MSDB checkpoint data set, and an I/O error occurred. The following information is given in the message text:
cc
The ECB completion code
co
The command code of the CCW that caused the error
stat
Status information
sens
Sense bytes
cchhr
The disk address where the error occurred

System action

IMS stops the load process, and the MSDBs cannot be used.

Programmer response

Try these steps:
  1. Try loading from a different unit.
  2. Create an initial load data set using the MSDB Recovery utility and restart the system with MSDBLOAD.