Releasing space at close can be handled in the management class by specifying Partial release with Yes Immediate (YI) or Conditional Immediate (CI) if you want to ensure that data sets have secondary allocation before the space is released. This does not require the space management function of HSM to be active whereas Y or C would typically release space during primary space management.
If you are licensed for DFSMSdss, you can also release space and perform extent reduction. Since you are using extended format datasets, DSS will release space against VSAM as well as sequential. Extent reduction can be performed using the CONSOLIDATE function. CONSOLIDATE used to be specified as a keyword of DEFRAG but is now its own command as of z/OS 1.10. Hope this helps. Chris Taylor ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html

