DFS2720I I/O ERROR IN ddname,cc,co,stat,sens,cchhr

Explanation

Program DBFDBDP0 attempted to write to an MSDB checkpoint and an I/O error occurred. The following information is given in the message text:
Field
Contents
cc
The ECB completion code
co
The command code of the CCW where the error occurred
stat
Status information
sens
Sense bytes
cchhr
The disk address where the error occurred

Message DFS2718I is also issued.

System action

The MSDB checkpoint is stopped.

Programmer response

Shut down IMS and emergency restart the system from the last valid system checkpoint.