Thanks Bruce and thanks for the subject. We were fighting a different fire. This was the first we'd noticed the behavior.
Thanks again. Will you be at SHARE? > -----Original Message----- > From: IBM Mainframe Discussion List > [mailto:[EMAIL PROTECTED] On Behalf Of Bruce Black > Sent: Tuesday, December 20, 2005 8:37 AM > To: [email protected] > Subject: Re: TMM dataset deleted > > This was changed years ago. A real tape dataset which is > never OPENed > is not actually created on the tape, so at step end it gets > deleted. > IBM changed TMM so that a tape dataset redirected to disk > which is never OPENed gets deleted at step end. If you open > the dataset, it gets cataloged, of course. If you remove the > UNIT=, then it is no longer a TMM dataset and it get handled > like a disk dataset (cataloged even if not OPENed). > > OY66484 > <http://www-306.ibm.com/ibmlink/link2/sis/sisPage.jsp?applJsp= documentBrowse.jsp&navItem=sis.jsp&lc=en&cc=US&docNumber=OY66484> > changed Allocation to process new, unopened SMS DASD > requests that were redirected from TAPE in a manner like new, > unopened tape datasets (i.e., unopened passed datasets will be > deleted at the end of the job and unopened non-passed datasets > will be deleted at the end of the step). > > > -- > Bruce A. Black > Senior Software Developer for FDR > Innovation Data Processing 973-890-7300 > personal: [EMAIL PROTECTED] > sales info: [EMAIL PROTECTED] > tech support: [EMAIL PROTECTED] > web: www.innovationdp.fdr.com > ---------------------------------------------------------------------- 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
