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Integrity Virtual Machines is software from Hewlett-Packard that allows multiple virtual machines to run concurrently on any Itanium server running HP-UX, notably the HP Integrity line. It is part of HP's Virtual Server Environment suite. The product is optimized for server use. ==History== Christophe de Dinechin initiated a skunkworks project to virtualize Itanium, with the help of Jean-Marc Chevrot and of a "virtual team" of experienced HP engineers. A prototype of Integrity Virtual Machines was then developed between 2000 and 2003 by Christophe de Dinechin, Todd Kjos and Jonathan Ross.〔http://rogue.colorado.edu/EPIC7/ItaniumVirtualMachines.pdf〕〔(Presentations—Gelato ICE | San Jose | April 2007 :: About :: Gelato ICE )〕 It was then turned into a full-fledged product by a larger team of experienced OpenVMS, Tru64 Unix and HP-UX kernel engineers. * Version 1.0 and 1.2, released in 2005, ran HP-UX in virtual machines. * Version 2.0, released in November 2006, additionally supports Windows Server 2003, CD and DVD burners, tape drives and VLAN. * Version 3.0, released in June 2007, supports Linux Red Hat Enterprise Linux〔(redhat.com | Application Profile Display )〕 * Version 3.5, released in late 2007, supports SUSE Linux Enterprise Server,〔(HPVM 3.5 )〕 HP-UX 11i v3 guests, new service packs for Windows and Linux guests, and accelerated virtual I/O for HP-UX guests,〔(New Features and Enhancements in This Version of Integrity VM )〕 enabling better I/O performance and a larger number of devices. * Version 4.0, released in September 2008, runs on HP-UX 11.31 (also known as 11i v3), supports 8 virtual CPUs, capped CPU allocation (in addition to CPU entitlement as in previous releases), additional support for accelerated virtual I/O (AVIO), and a new VM performance analysis tool. Version 4.0 also includes beta functionality such as on-line migration and support for OpenVMS guests. * Version 4.1, released in April 2009, supports Online VM Migration which allows customers to migrate active guests from one VM Host to another VM Host without service interruption. It also provides support for SSH third-party alternatives for secure communications, accelerated virtual I/O (AVIO) for networking on Windows and Linux guests, support for ignite and VxVM backing stores. * Version 4.2, released March 2010, supports encryption during a VM migration, brings support for newer Itanium hardware and VM Guest OS versions, contains software allowing for VMs as Serviceguard packages and Serviceguard Nodes, and support for automatic memory reallocation.〔(【引用サイトリンク】title=HP Integrity Virtual Machines 4.2: Release Notes )〕 * Version 4.2.5, released September 2010, brings support for the HP Integrity Superdome 2, as well as suspend and resume support for a VM.〔(【引用サイトリンク】title=HP Integrity Virtual Machines 4.2.5: Release Notes )〕 * Version 4.3, released March 2011, brings support for the Intel® Itanium® Tukwila processor, an NVRAM Edit utility, a Virtual iLO Remote Console, 16 virtual CPUs for guests, 128GB for guest memory, 256 AVIO storage devices, the support for Fiber Channel over Ethernet, and the support of NFS backing stores.〔(【引用サイトリンク】title=HP Integrity Virtual Machines 4.3: Release Notes )〕 * Version 6.1, released March 2012 brings support for management of Hp vPar, Direct Input Output (DIO) feature for improved I/O functionality, manageability and performance.〔(【引用サイトリンク】title=HP Integrity Virtual Machines 6.1: Release Notes )〕 * Version 6.3, released March 2014 can emulate NVRAM, supports 32 CPUs and 256GB of RAM for VM guests, supports dynamic addition of I/O devices, and supports migration between i2 and i4 processors. 〔(【引用サイトリンク】url=http://h20565.www2.hp.com/hpsc/doc/public/display?sp4ts.oid=4146186&docId=emr_na-c04222033&docLocale=en_US )〕 * Version 6.3.5, released March 2015 enables dynamic deletion of I/O devices, improvements to what physical ports NPIV guests use after they're migrated, reduced memory overhead for large VMs, and more. 〔(【引用サイトリンク】url=http://h20565.www2.hp.com/hpsc/doc/public/display?sp4ts.oid=4146186&docId=emr_na-c04609054&docLocale=en_US )〕 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「HP Integrity Virtual Machines」の詳細全文を読む スポンサード リンク
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