Datacom/AD r15.0 has a modified extend command that can be used within the MUF joblog to allocate additional space while the base is open.
The DYNAMIC_EXTEND can be issued either as a console command to the MUF or via DBUTLTY COMM statement.
Below is an example of the command syntax issued via DBUTLTY COMM statement :
Below is an example of console command to the MUF:
/F mufstc,,DYNAMIC_EXTEND 601,IXX,50,CYL
This command will also work for Datacom/AD 14.0 when RO71530 has been applied. This can be done during live CA 11 access to the base.
The on-demand DYNAMIC_EXTEND feature is discussed in CA Datacom Core - 15.0 section “DYNAMIC_EXTEND” at
For additional information please also refer to the example shown in the following Datacom/AD article which shows an example for base 430, area IXX. For CA 11
use DBID 601. Increase the space to the desired size.
Article ID: 9503 “How to extend a CA Datacom area while the database is open”
As always, please contact Broadcom support for Workload Automation Restart Option for z/OS Schedulers if you have further questions.