Get rid of 1byte console id. No imbed, replicate for VSAM. ...and a lot more..
there are release guides available online and you should take a serious look into them. Fermat On Wed, Jul 22, 2009 at 1:33 PM, Brian Westerman < [email protected]> wrote: > This is a real pet peeve of mine and I've done a lot of these conversions > outside of the "IBM 3 release rule" with no problems. IBM doesn't require > you to perform the upgrade in multiple jumps, but a lot of people (even > within IBM) seem to have fallen under that misconception. As for "falling > back", there is no such kind of maintenance or support. There is > coexistence maintenance, but falling back to 1.4 froim 1.9 is the same as > falling back to 1.8 from 1.9. Without a plan you will fail either one. > > Your conversion should not really present any problems for you. The JES2 > exits and TCP changes are probably the hardest things that you will face > but > neither is overly difficult. My big question is why not go to 1.10? 1.11 > will be out in less than 2 months, and since you are going to be getting a > z10 you probably will benefit more from 1.10. > > Since you're not sysplexed or planning on sharing the spool, then either > OFFLOAD or NJE is a very simple and safe bet for you. I'm not sure what > went wrong on your conversion from 2.9 to 1.4, it should have worked okay. > One reason I personally prefer the NJE approach is that you don't have to > use tape and it allows you to run in parallel for a while if external > pressures require it. The only time I have ever run into a "failure" in a > conversion was because of "bad tape". We were converting not only OS's but > physical locations FOR A CLIENT and they decided to create "one last" > backup > of the production datasets the night before the conversion cut-over to make > sure everything was "fresh", and the backup tapes were loaded into a car > that they allowed the night shift operator to drive to the new site. He > had > 4 hours to make a 30 minute trip, so he decided to stop off at a bar and > while he was inside the company truck was stolen. The person who stole the > truck pushed all of the tapes out onto the street about 3 blocks away, but > many of them were no longer usable. We ended up putting off the conversion > to the following weekend. I have not really trusted tapes or operators > since.:) > > Brian > > ---------------------------------------------------------------------- > 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
