https://community.hpe.com/t5/operating-system-openvms/sharing-cms-in-a-cluster-environment/m-p/4071224#M86347 Geoff(?)<BR /><BR /> Unless there's a good reason not to, I'd say it would be prudent to upgrade the Alpha to the same version of CMS as you're running on Integrity. (General principal, try to keep the versions of layered products as close as possible across systems)<BR /><BR /> Although I'd certainly expect the later version of CMS to understand and be able to update older version libraries, I wouldn't be certain that they will work for all cases in the other direction.<BR /><BR /> If there is some reason you need to keep the Alpha at the earlier version, then maybe you should be splitting off a copy of the libraries (or at least the critical modules) that need to stay back?<BR /><BR /> Of course, for a definitive answer, please log a case with your local Customer Support Centre. Sun, 16 Sep 2007 22:58:19 GMT John Gillings 2007-09-16T22:58:19Z https://community.hpe.com/t5/operating-system-openvms/sharing-cms-in-a-cluster-environment/m-p/4071223#M86346 Are there any issues in sharing CMS libraries in a cluster environment with different versions of CMS installed? In particular we have an Alpha with CMS V3.9-2 in a cluster with an Itanium running V4.5. Is it necessary to upgrade the Alpha to V4.5? Sun, 16 Sep 2007 20:23:57 GMT https://community.hpe.com/t5/operating-system-openvms/sharing-cms-in-a-cluster-environment/m-p/4071223#M86346 Wayne Gillan 2007-09-16T20:23:57Z https://community.hpe.com/t5/operating-system-openvms/sharing-cms-in-a-cluster-environment/m-p/4071224#M86347 Geoff(?)<BR /><BR /> Unless there's a good reason not to, I'd say it would be prudent to upgrade the Alpha to the same version of CMS as you're running on Integrity. (General principal, try to keep the versions of layered products as close as possible across systems)<BR /><BR /> Although I'd certainly expect the later version of CMS to understand and be able to update older version libraries, I wouldn't be certain that they will work for all cases in the other direction.<BR /><BR /> If there is some reason you need to keep the Alpha at the earlier version, then maybe you should be splitting off a copy of the libraries (or at least the critical modules) that need to stay back?<BR /><BR /> Of course, for a definitive answer, please log a case with your local Customer Support Centre. Sun, 16 Sep 2007 22:58:19 GMT https://community.hpe.com/t5/operating-system-openvms/sharing-cms-in-a-cluster-environment/m-p/4071224#M86347 John Gillings 2007-09-16T22:58:19Z https://community.hpe.com/t5/operating-system-openvms/sharing-cms-in-a-cluster-environment/m-p/4071225#M86348 No its not Geoff but he said to say thanks. I'm just a newbie doing a bit of tinkering and research. Seems like we'll go ahead with the upgrade.<BR /><BR />Cheers. Mon, 17 Sep 2007 21:37:08 GMT https://community.hpe.com/t5/operating-system-openvms/sharing-cms-in-a-cluster-environment/m-p/4071225#M86348 Wayne Gillan 2007-09-17T21:37:08Z https://community.hpe.com/t5/operating-system-openvms/sharing-cms-in-a-cluster-environment/m-p/4071226#M86349 Definitely get to the same version of CMS.<BR /><BR />Do also ensure that the system times are synchronized on the various nodes via NTP or otherwise; if there's more than a limited time skew (30 seconds?), CMS can get its knickers in a twist.<BR /> Tue, 18 Sep 2007 19:40:07 GMT https://community.hpe.com/t5/operating-system-openvms/sharing-cms-in-a-cluster-environment/m-p/4071226#M86349 Hoff 2007-09-18T19:40:07Z https://community.hpe.com/t5/operating-system-openvms/sharing-cms-in-a-cluster-environment/m-p/4071227#M86350 I've been running 4.4 on my Alpha for well over a year whilst all the other nodes in the cluster are Alpha 4.2.<BR /><BR />I have seen no problem after thousands of CMS operations.<BR /><BR />YMMV Wed, 19 Sep 2007 08:00:59 GMT https://community.hpe.com/t5/operating-system-openvms/sharing-cms-in-a-cluster-environment/m-p/4071227#M86350 Peter Barkas 2007-09-19T08:00:59Z