The "supported" part of "all supported releases" is also important. As an example, when z/OS 1.6 came out, it co-existed with z/OS 1.3. But z/OS 1.3 went off support March 2005, so z/OS 1.3 can no longer co-exist with z/OS 1.6.
Don Imbriale >-----Original Message----- >From: IBM Mainframe Discussion List [mailto:[EMAIL PROTECTED] On Behalf >Of John Eells >Sent: Tuesday, June 28, 2005 12:49 PM >To: IBM-MAIN@BAMA.UA.EDU >Subject: Re: Running z/OS 1.4 on a G5/G6 after 31 March 2007 > >Jim Ladouceur wrote: > >> If IBM really has changed the coexistence policy to "all supported >> releases" then 1.4 will coexist with 1.8 since they've extended the EOS >> date for 1.4 to 3/7 and 1.8 will be out 9/6. Can someone please point me >> to the doc with the policy change? >> > >As we announced, "Starting with z/OS V1.6, the >Coexistence-Migration-Fallback policy aligns with the Service >policy." > >z/OS R4, however, will coexist with z/OS R7, not with z/OS R8. >Each z/OS general availability announcement letter has a summary >of the supported coexistence combinations in it. Here is the >coexistence table from the z/OS R6 GA announcement (which I hope >will stay readable after posting): > >Release Coexistence-supported with release in column 1 > >z/OS V1.3 or OS/390(R) V2.9 (1), (z/OS V1.1 & OS/390 V2.10) (2,3), >z/OS.e V1.3 z/OS V1.2 (4), z/OS V1.3, z/OS.e V1.3 > >z/OS V1.4 or (z/OS V1.1 & OS/390 V2.10) (2,3), z/OS V1.2 (4), >z/OS.e V1.4 z/OS V1.3, z/OS V1.4, z/OS.e V1.3, z/OS.e V1.4 > >z/OS V1.5 or z/OS.e V1.3, z/OS.e V1.4, z/OS.e V1.5, >z/OS.e V1.5 z/OS V1.2 (4), z/OS V1.3, z/OS V1.4, z/OS V1.5 > >z/OS V1.6 z/OS.e V1.3, z/OS.e V1.4, z/OS.e V1.5, >or z/OS.e V1.6, >z/OS.e V1.6 z/OS V1.3, z/OS V1.4, z/OS V1.5, z/OS V1.6 > >z/OS V1.7 (5) z/OS.e V1.4, z/OS.e V1.5, z/OS.e V1.6, z/OS.e >or V1.7, >z/OS.e V1.7 z/OS V1.4, z/OS V1.5, z/OS V1.6, z/OS V1.7 > >z/OS V1.8 (5) z/OS.e V1.5, z/OS.e V1.6, z/OS.e V1.7, z/OS.e >or V1.8, >z/OS.e V1.8 z/OS V1.5, z/OS V1.6, z/OS V1.7, z/OS V1.8 > >z/OS V1.9 (5) z/OS.e V1.7, z/OS.e V1.8, z/OS.e V1.9 >or >z/OS.e V1.9 z/OS V1.7, z/OS V1.8, z/OS V1.9 > >The quote and table are from IBM z/OS V1.6: Integrating new >applications and Preview: z/OS V1.7, IBM United States Software >Announcement 204-180, dated August 10, 2004. > >-- >John Eells >z/OS Technical Marketing >IBM Poughkeepsie >[EMAIL PROTECTED] *********************************************************************** Bear Stearns is not responsible for any recommendation, solicitation, offer or agreement or any information about any transaction, customer account or account activity contained in this communication. *********************************************************************** ---------------------------------------------------------------------- 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
