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'''OpenSolaris for System z''' is thea distribution of the [[OpenSolaris]] computer [[operating system]] designed to run on the [[IBM System z]] line of [[mainframe computers]]. '''OpenSolaris''' is an [[open source]] project created by [[Sun Microsystems]] to build a developer community around [[Solaris (operating system)|Solaris]] technology.
== 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 [[June 14]], [[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.<ref>[http://www.sinenomine.net/node/411 IBM Expresses Interest in OpenSolaris for System Z Project]</ref> Less than a year later, inIn 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."<ref>[http://www.youtube.com/watch?v=Ma0XPN2z6Qc&feature=related Open Solaris on System Z demo part III], YouTube Video</ref>
At the [[SHARE]] conference on [[August 13]], [[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 do hopehoped to have a version available to the public for testing "in a matter of weeks rather than months."<ref name="Share2008">{{Citation |first = Neale |last = Ferguson |title = OpenSolaris on System z |year = 2008 |place = SHARE Summer 2008, San Jose, CA }}</ref>
In October, 2008, Sine Nomine Associates released the first "prototype" (it lacks a number of features such as [[DTrace]], and [[Solaris Containers]] and the ability to act as an [[Network File System (protocol)|NFS]] server) of OpenSolaris for System z to the public.<ref>{{cite web |url=http://mainframe.typepad.com/blog/2008/10/opensolaris-for.html |first=Timothy |last=Sipples |title=OpenSolaris for System z Now Available |date=2008-10-16 |accessdate=2008-10-16}}</ref> OpenSolaris for System z has a project page at OpenSolaris.org.<ref>{{cite web |url=http://www.opensolaris.org/os/project/systemz/ |title=OpenSolaris Project: Systemz |accessdate=2008-10-17}}</ref> OpenSolaris for System z is freely 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 computers|mainframe]]. Because the port usesdepends certainon recently defined advancedz/Architecture processor instructions, it requires a [[System z9]] mainframe (or higherlater mainframe model) and will not run on older machines,. atIt leastalso will not asrun currentlyon the [[Hercules emulator|Hercules]] mainframe compiledemulator. 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.<ref>{{cite web |url=http://distribution.sinenomine.net/opensolaris/ |title=OpenSolaris for System z |accessdate=2008-10-16}}</ref> On [[November 18]], [[2008]], [[IBM]] authorized the use of [[Integrated Facility for Linux|IFL]] processors to run OpenSolaris for System z workloads.<ref>{{cite web |url=http://www-01.ibm.com/common/ssi/rep_ca/5/897/ENUS108-875/ENUS108-875.PDF |title=Integrated Facility for Linux (IFL) authorization is expanded to include the OpenSolaris operating system |date=2008-11-18 |accessdate=2008-11-19 }}</ref>
== See also ==
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