Some people are. > -----Original Message----- > From: IBM Mainframe Discussion List [mailto:[email protected]] On > Behalf Of Martinez, Frank J > Sent: Wednesday, April 28, 2010 7:37 PM > To: [email protected] > Subject: Re: ZFS > > MVT was not broken. Are you still running it? > > ________________________________________ > From: IBM Mainframe Discussion List [[email protected]] On Behalf Of > John Mattson [[email protected]] > Sent: Wednesday, April 28, 2010 3:44 PM > To: [email protected] > Subject: Re: ZFS > > If HFS ain't broke... why "fix" it? > > > > > Bruce Burgdoff <[email protected]> > Sent by: IBM Mainframe Discussion List <[email protected]> > 04/27/2010 10:15 AM > Please respond to > IBM Mainframe Discussion List <[email protected]> > Expire Date: 04/27/2012 > > > To > [email protected] > cc > > Subject > ZFS > > > > > > > Our upcoming migration from HFS to zFS for the root file systems is > causing a > new problem for us. > > > > The previous maintenance method was to keep the HFS root file system on > the sysres with all other non-VSAM SMPE-target files. All datasets were > implicitly cataloged at IPL time. By replacing the SYSRES volume a > total > replacement or back-off of maintenance was just an IPL away. We > currently > are running from a single mod 27 sysres. The rest of the HFS/ZFS file > systems > will be mounted from other non-SMPE impacted volumes. > > > > The zFS file systems on the other hand is subject to the special volume > ownership and naming requirements of VSAM. We can no-longer use a > simple > full volume copies to transfer the test SYSRES to production. Further > it > looks > like a second dump will need to be done of the test zFS root files and > then a > restore with the RENAMEU option run made under the production master > catalog. We may even have to put the zFS files on separate sysres > volumes > which are "owned" by the production system catalog structure. > > > > Does this make sense or what are some other ideas to maintain the new > zFS > root files? > > > > ---------------------------------------------------------------------- > 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
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