Joined: 06 Jun 2008 Posts: 8165 Location: East Dubuque, Illinois, USA
The Messages and Codes manual is quite clear about the causes of an IEB311I message:
IEB311I CONFLICTING DCB PARAMETERS
Explanation: The DCB parameters in the SYSUT2 DD statement are not compatible with those specified in the SYSUT1 DD statement. The reason for incompatibility could be one of the following:
1. The I/O blocksize is inconsistent with the I/O logical record length when the record format is FB or F
2. The I/O blocksize is not at least 4 bytes larger than the I/O logical record length when the record format is VB or V
3. The output logical record length is different from the input logic record length or the input record format is variable and the output record format is fixed when editing is not specified. Refer to z/OS DFSMSdfp Utilities, SC26-7414, section ''Changing Logical Record Length'' under IEBGENER
4. The output blocksize is not equal to the input blocksize when the input record format is undefined.
Spend some time in the Utilities manual and you may run across the GENERATE control statement for IEBGENER which allows creation of an output data set with a record length different than the input data set record length.