On Wed, 24 Sep 2008 12:53:59 -0700, Kurt Eastwood <[EMAIL PROTECTED]> wrote:
>Hello, > >I would like to pass a situation by everyone to get their opinon of an issue I am having. I have opened an issue with IBM but many heads are better than 1. > >We are getting some new dasd and after the dasd is installed I am to run an ICKDSF REFORMAT with the REFVTOC parm against all the dasd, per the dasd manufacturer. > >I tested this on a test machine against a few volumes and found that my MVSCAT volume is mounted as STORAGE and the ICKDSF does not like this, it wants it mounted PRIVATE. This is the only volume mounted as STORAGE. My VATLST00 is as follows: > >VATDEF IPLUSE(PRIVATE),SYSUSE(PRIVATE) >MVSCAT,1,0,3390 ,Y >DLIB02,1,2,3390 ,Y >DLIB03,1,2,3390 ,Y >MVSDLB,1,2,3390 ,Y >MVSRES,1,2,3390 ,Y >TARG02,1,2,3390 ,Y >TARG03,1,2,3390 ,Y > >I took over this system from someone else and do not know why this was set up to be mounted STORAGE. > >It looks like I could shut down the system, ipl a stand alone ICKDSF and run the REFORMAT but that seems like a last resort to me. > >The system master catalog does reside on MVSCAT as do other data sets. > >Is there a reason to have this mounted as STORAGE? > >Are there system datasets that are required to be on a volume mounted STORAGE? > >Can I change this MVSCAT to be mounted as PRIVATE and re-ipl without causing issues since it has been this way for a while? > >Is there a requirement to have at least one volume mounted as STORAGE in VATLST00? > >Thanks to everyone in advance for your help. >Kurt > > At least one volume needs to be mounted public or storage for temporary data sets in order to logon to TSO. If SMS is controlling temporary data sets, then this is not a requirement. So it probably has its place in history and is not needed. You can change it with a mount command - no need to IPL. M /cuua,VOL=(SL,MVSCAT),USE=PRIVATE Don't forget to change the VATLST assuming this doesn't cause a problem. -- Mark Zelden Sr. Software and Systems Architect - z/OS Team Lead Zurich North America / Farmers Insurance Group - ZFUS G-ITO mailto:[EMAIL PROTECTED] z/OS Systems Programming expert at http://expertanswercenter.techtarget.com/ Mark's MVS Utilities: http://home.flash.net/~mzelden/mvsutil.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