Ron, It doesn't happen (at least in my experience). We ran a release space twice daily on most of our DASD and got back 1000 cylinders or so twice a day. We also had to explicit state on another release that we wanted to release any space that did not have a dsorg in it.
Ed ----- Original Message ----- From: Ron Hawkins <[email protected]> To: [email protected] Cc: Sent: Friday, November 4, 2011 9:54 PM Subject: Re: DSN NOT RELEASING OVER ALLOCATED SPACE How about just waiting for DFSMShsm to release it. > -----Original Message----- > From: IBM Mainframe Discussion List [mailto:[email protected]] On Behalf Of > Steve Thompson > Sent: Friday, November 04, 2011 11:07 AM > To: [email protected] > Subject: Re: [IBM-MAIN] DSN NOT RELEASING OVER ALLOCATED SPACE > > Willie: > > How about doing the following: > > //IDCAMS EXEC PGM=IDCAMS > //SYSPRINT DD SYSOUT=* > //SYSUT1 DD DUMMY > //SYSUT2 DD DSN=PROD.OTKT.SORTED.PAYMT(+1),DISP=MOD, > // SPACE=(TRK,1,RLSE) > //SYSUT3 DD DSN=PROD.$$$$.SORTED.PAYMT(+1),DISP=MOD, > // SPACE=(TRK,1,RLSE) > //SYSIN DD * > REPRO IFILE(SYSUT1) OFILE(SYSUT2) > REPRO IFILE(SYSUT1) OFILE(SYSUT3) > /* > > The SYSUT2/3 data sets will be opened for output. Nothing will be written > because the SYSUT1 is dummy and gets an immediate EOD. The dealloc logic > will then release the unused space. > > Regards, > Steve Thompson > Staff Software Engineer > Connect:Direct for z/OS > IBM - Software Group > (469) 524-2622 > [email protected] > > > __________________ > > Lizette, > > Here is the jcl : > > DSN=PROD.OTKT.SORTED.PAYMT(+1),DISP=(,CATLG,DELETE),SPACE=(CYL,(800,200), > RLSE),DCB=(MODELDCB,RECFM=FB,LRECL=740,DSORG=PS) > > > > > ________________________________ > From: Lizette Koehler <[email protected]> > To: [email protected] > Sent: Friday, November 4, 2011 10:12:54 AM > Subject: Re: DSN NOT RELEASING OVER ALLOCATED SPACE > > > > >Good Day To All, > > > >We are trying to figure out this problem. Job A executes, it creates > several dsns and many of these dsns are empty. We have the RLSE parm > coded however it doesn't seem release the unused space for the empty > dsns. Is there a way of fixing this problem or a work around? We are > running RELEASE z/OS 01.11.00 > > > >Thanks for your help in advance. > > > > > > It would help if could you provid a screen show of 3.4 INFO for a dataset > where the space did not release as well as the JCL statement and Jes > messages for that dataset? > > > > Lizette > > ---------------------------------------------------------------------- > 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 > > ---------------------------------------------------------------------- > 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 > > > ---------------------------------------------------------------------- > 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 ---------------------------------------------------------------------- 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 ---------------------------------------------------------------------- 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
