Free a Data set From the MVS System Console
To free a single DDNAME:
F <iway_server_jobname/started task>,DYNAM FREE FI <ddname>
To free a single DSNAME (all occurrences in the server):
F <iway_server_jobname/started task>,DYNAM FREE DS <dsname>
To free multiple DDNAMEs, passing a pattern (free all DDNAMEs starting with AB):
F <iway_server_jobname/started task>,DYNAM FREE FI AB*
To
free multiple DSNAMEs (all occurrences in the server), passing a
pattern (free all allocations of data sets starting with IWAY.VSAM):
F <iway_server_jobname/started task>,DYNAM FREE DA IWAY.VSAM*
A message is issued in the iway_server JESMSGLG indicating if the command was processed successfully or not, as follows.
Success:
+DYNAM COMMAND SUCCESSFULLY PROCESSED Rc=0
Failure:
+DYNAM ERROR: IKJ56225I DATA SET IWAY.TEST ALREADY IN USE, TRY LATER
Freeing an Allocated Data Set
Suppose ISTART JCL (jobname IWAY2) has the following allocation:
//VSAMFILE DD DISP=SHR,DSN=VSAM.FILEA.CLUSTER
The operator can free this file using the command (from the MVS console):
F IWAY2,DYNAM FREE FI VSAMFILE