Migrating to zOS R8 Part 1 - Messmer The Brain House

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z/OS can run as a VM guest. Requirements are: � Must be on a z9 EC, z9 BC, z990, z890, z900, or z800 server: VM must be z/VM (not VM/ESA). Furthermore, � if a z9 EC or z9 BC or z990 server, the z/VM PTF for APAR VM63124 must be installed. � If a z800, z890, or z9 BC server, then z/OS.e can run as a VM guest. The server must be a z800, z890, or z9 BC, VM must be z/VM, z/VM and z/OS.e must operate in z/Architecture (64-bit) mode, z/VM and z/OS.e must run in a logical partition (LPAR), and the LPAR must be named ZOSExxxx (where xxxx is any valid combination of zero to four characters). The LPAR name restriction ensures compliance with z/OS.e license terms, which prohibit z/OS from running in a z800, z890, or z9 BC LPAR named ZOSExxxx. (Linux for S/390 and Linux for IBM ^ zSeries are the only other operating systems that may run as a guest under z/VM in an LPAR named ZOSExxxx.) z/OS.e licensees are required to submit data to IBM that shows LPAR names. (The ZOSExxxx LPAR name restriction is only applicable to z800, z890, and z9 BC servers, not other servers. The Dynamic LPAR Rename function available on z890 and z9 BC can assist you with this requirement.) Target System Hardware Requirements The minimal hardware requirements for z/OS, as well as additional hardware needed by specific z/OS elements and features is documented in z/OS and z/OS.e Planning for Installation. Remember, z/OS V1R8 runs only in z/Architecture mode, and only on z9 EC , z9 BC, z990, z890, z900 or z800 servers. Identifying Processor Requirements z/OS V1R8 runs on the following IBM ^ zSeries servers (or their equivalents): � IBM zSeries z9 EC. � IBM zSeries z9 BC. � IBM zSeries 990 (z990). � IBM zSeries 890 (z890). � IBM zSeries 900 (z900). � IBM zSeries 800 (z800). Identifying Coupling Facility Requirements Migrating to z/OS R8 Part 1 of 3: Get Ready There are hardware and software requirements related to coupling facility levels (CFLEVELs). See http://www.ibm.com/eserver/zseries/pso/cftable.html. SHARE (c) Copyright IBM Corporation, 2006 August 15, 2006 Session 2870 Page 44 of 70 Baltimore, MD
Migrating to z/OS R8 Part 1 of 3: Get Ready Some IBM SW Target System Requirements for z/OS R8 product name minimum supported level CICS TS V2 R2 (V1 R3 was end of Service: 4/30/06) for zAAP exploitation, minimum level is V2 R3. DB2 V7 R1 with PTFs for determining zAAP execution potential and exploitation, minimum level is V7 R1 for zIIP exploitation, minumum level is V8 plus PTFs IMS V8 R1 with PTFs (V7 R1 was end of Service: 11/8/05) for determining zAAP execution potential and exploitation, minimum level was V7 R1 WebSphere Application Server V5 R1 (V5 R0 was end of service 9/30/06) for determining zAAP execution potential, can use V5.02 for zAAP exploitation, minimum level is V5 R1. zAAP exploitation requires at least z/OS R6 and the IBM Solution Developers Kit (SDK) for z/OS, Java 2 Technology Edition, V1.4 with PTF (or later) for APAR PQ86689 zIIP requires the z/OS R6 or R7 zIIP Web deliverable, or z/OS R8. See zIIP functional PSP bucket. Migrating to z/OS R8 Part 1 of 3: Get Ready © 2003 IBM Corporation © 2006 IBM Corporation Selected IBM Subsystem Products that will run on z/OS R8 (and levels for zAAP and zIIP) For a complete list of the minimum release of IBM software products that run on z/OS R8, refer to Appendix C of z/OS and z/OS.e Planning for Installation. zAAP If you are interested in exploiting (or doing capacity planning for) zAAPs, then there are minimum software levels required. In order to exploit a zAAP, the operating system must be migrated to at least z/OS 1.6 (or z/OS.e 1.6), the IBM Solution Developers Kit (SDK) for z/OS, Java 2 Technology Edition, V1.4 with PTF (or later) for APAR PQ86689 must be used. Here is a table outlining the subsystems and minimum Java levels dependencies for determining zAAP Java execution and exploitation potential. The rows in blue identify some of the products levels that will exploit zAAPs. The rows in yellow, while not able to exploit the benefits of zAAPs, show where the zAAP Projection Tool for Java 2 Technology Edition, SDK1.3.1 can be used to assist in zAAP capacity planning. For instance, WebSphere V5.0.2 cannot exploit zAAP, however the zAAP Projection Tool can be used to determine zAAP Java execution potential if the WebSphere workloads were migrated to the required level for zAAP exploitation. zIIP For z/OS V1.6 or z/OS V1.7: If you will exploit the IBM System z9 Integrated Information Processor (zIIP), you will require the "IBM System z9 Integrated Information Processor Support for z/OS and z/OS.e V1R6/R7" Web deliverable plus PTFs (planned to be available June 30, 2006). This Web deliverable contains FMID JBB77S9 for z/OS V1.6, and FMID JBB772S for z/OS V1.7. Install the service identified in the program directory that comes with this Web deliverable and the service which is recommended in the appropriate zOSV1Rn BCPZIIP PSP bucket. IBM DB2 UDB for z/OS V8 with PTFs, is also required for exploitation for portions of eligible workloads. For z/OS V1.8, this Web deliverable is not needed, as zIIP support is incorporated. SHARE (c) Copyright IBM Corporation, 2006 August 15, 2006 Session 2870 Page 45 of 70 Baltimore, MD 25
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