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OpenSolaris for System z was〔Gavin Clarke, 29 March 2010, (Sun's IBM-mainframe flower wilts under Oracle's hard gaze ), ''The Register''〕 a port of the OpenSolaris operating system to the IBM System z line of mainframe computers. == History == OpenSolaris is based on Solaris, which was originally released by Sun in 1991. Sun Microsystems released the bulk of the Solaris system source code in OpenSolaris on 14 June 2005, which made it possible for developers to create other OpenSolaris distributions. Sine Nomine Associates began a project to bring OpenSolaris to the IBM mainframe in July, 2006.〔(IBM Expresses Interest in OpenSolaris for System Z Project )〕 The project was named ''Sirius'' (in analogy to the Polaris project to port OpenSolaris to PowerPC). In April, 2007, Sine Nomine presented an initial progress report at IBM's System z Technical Expo conference. At the Gartner Data Center Conference in Las Vegas, Nevada in late 2007, Sine Nomine demonstrated OpenSolaris running on IBM System z under z/VM. It was there that David Boyes of Sine Nomine stated that OpenSolaris for System z would be available "soon."〔(Open Solaris on System Z demo part III ), YouTube Video〕 At the SHARE conference on 13 August 2008, Neale Ferguson of Sine Nomine Associates presented an update on the progress of OpenSolaris for System z. This presentation included a working demonstration of OpenSolaris for System z. During this presentation he stated that while OpenSolaris is "not ready for prime-time" they hoped to have a version available to the public for testing "in a matter of weeks rather than months." In October, 2008, Sine Nomine Associates released the first "prototype" (it lacks a number of features such as DTrace, Solaris Containers and the ability to act as an NFS server) of OpenSolaris for System z to the public. OpenSolaris for System z has a project page at OpenSolaris.org.〔(【引用サイトリンク】title=OpenSolaris Project: Systemz )〕 OpenSolaris for System z is available for download at no charge, and is governed by the same open source license terms as OpenSolaris for other platforms. All source code is available; there are no OCO (object code only) modules. The port uses z/Architecture 64-bit addressing and therefore requires an IBM System z mainframe. Because the port depends on recently defined z/Architecture processor instructions, it requires a System z9 or later mainframe model and will not run on older machines. It also will not run on the release version of Hercules mainframe emulator, the needed changes are included in the SVN version 5470 of Hercules. It also requires the paravirtualization features provided by z/VM; it will not run on "bare metal" or in a logical partition (LPAR) without the z/VM hypervisor at Version 5.3 level or later. Also, because OpenSolaris uses a new network DIAGNOSE instruction, PTF VM64466 or VM64471 must be applied to z/VM to provide support for that instruction.〔(【引用サイトリンク】title=OpenSolaris for System z )〕 On 18 November 2008, IBM authorized the use of IFL processors to run OpenSolaris for System z workloads.〔(【引用サイトリンク】title=Integrated Facility for Linux (IFL) authorization is expanded to include the OpenSolaris operating system )〕 The Register reported in March 2010 an email from an insider saying that:〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「OpenSolaris for System z」の詳細全文を読む スポンサード リンク
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