On Fri, 2 Jul 2010 09:24:41 -0500, Paul Gilmartin <[email protected]> wrote:
>On Fri, 2 Jul 2010 07:38:49 -0500, Mark Zelden wrote: > >>It still works for certain things, but to be honest, I haven't needed to use >>it since DFSMS and ISPF added the support for renaming an "in use" data set >>in OS/390 R10. >> >Isn't this just an automated mechanism for zapping the VTOC? The >integrity protection remains carbon-based (graphite on Post-IT), >and the programmer must know, somehow, that the other jobs holding >ENQs refer to irrelevant volsers, or intend _never_ to modify the >extents. > I don't know exactly what CAMLST does under the covers, but I doubt it has anything to do with zapping the VTOC (which you can't do safely without disabling the VTOCIX first if one exists). The data set can't be SMS managed though. http://publibz.boulder.ibm.com/cgi-bin/bookmgr_OS390/BOOKS/DGT2S361/2.6.3.4?SHELF=DGT2BK91&DT=20100120144526&CASE= Mark -- Mark Zelden - Zelden Consulting Services - z/OS, OS/390 and MVS mailto:[email protected] Mark's MVS Utilities: http://home.flash.net/~mzelden/mvsutil.html Systems Programming expert at http://expertanswercenter.techtarget.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
