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'''Altix''' is the name used for a broad line of servers and supercomputers produced by Silicon Graphics (International) using Intel processors. It succeeded the [[MIPS architecture|MIPS]]/[[IRIX]]-based [[SGI Origin 3000|Origin 3000]] servers.
 
'''Altix''' is the name used for a broad line of servers and supercomputers produced by Silicon Graphics (International) using Intel processors. It succeeded the [[MIPS architecture|MIPS]]/[[IRIX]]-based [[SGI Origin 3000|Origin 3000]] servers.
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The line was first announced<ref>[http://www.computerworld.com/s/article/77311/SGI_releases_Linux_supercomputer_with_Itanium_processor?taxonomyId=122 SGI releases Linux supercomputer with Itanium processor], 2003 Jan 07</ref> on January 7, 2003, with the '''Altix 3000''' series, based on Intel [[Itanium 2]] processors and SGI's [[NUMAlink]] processor interconnect.  At product introduction, the system supported up to 64 processors running Linux as a [[single system image]] and shipped with a Linux distribution called SGI Advanced Linux Environment, which was compatible with Red Hat Advanced Server.  By August 2003, many SGI Altix customers<ref>[http://news.cnet.com/SGI-aims-high-with-Altix-machine/2100-1001_3-5094162.html SGI aims high with Altix machine], 2003 Oct 20</ref> were running Linux on 128p and even 256p SGI Altix systems, but SGI officially announced 256-processor support<ref>[http://www.linuxtoday.com/high_performance/2004031001626NWHESV New Altix Software Allows 256-Processor Linux System], 2004 Mar 10</ref> within a single system image of Linux on March 10, 2004 using an 2.4-based kernel.  The SGI Advanced Linux Environment was eventually dropped after support using a standard, unmodified SUSE Linux Enterprise Server (SLES) distribution for SGI Altix was provided with SLES 8 and SLES 9<ref name="developer.novell.com">[http://developer.novell.com/yes/77348.htm Novell/SuSE: Altix® 3700 YES Certified], 2004 Jun 30</ref>.  Later, SGI Altix  512-processor systems were officially supported<ref>[http://developer.novell.com/yes/80546.htm Novell/SuSE: Altix® 3700 512p YES Certified], 2005 Mar 31</ref> using unmodified, standard Linux distribution with the launch of SLES 9 SP1.  Besides full support of SGI Altix on SUSE Linux Enterprise Server, a standard and unmodified Red Hat Enterprise Linux was also fully supported starting with SGI Altix 3700 Bx2 with  RHEL 4 and RHEL 5<ref>[https://access.redhat.com/ecosystem/hardware/918533 RedHat Customer Portal - SGI Altix 3700 Bx2 Certifications]</ref> with system processor limits defined by Red Hat for those releases.   
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The line was first announced on January 7, 2003, with the '''Altix 3000''' series, based on Intel [[Itanium 2]] processors and SGI's [[NUMAlink]] processor interconnect.  At product introduction, the system supported up to 64 processors running Linux as a [[single system image]] and shipped with a Linux distribution called SGI Advanced Linux Environment, which was compatible with Red Hat Advanced Server.  By August 2003, many SGI Altix customers were running Linux on 128p and even 256p SGI Altix systems, but SGI officially announced 256-processor support within a single system image of Linux on March 10, 2004 using an 2.4-based kernel.  The SGI Advanced Linux Environment was eventually dropped after support using a standard, unmodified SUSE Linux Enterprise Server (SLES) distribution for SGI Altix was provided with SLES 8 and SLES 9.  Later, SGI Altix  512-processor systems were officially supported using unmodified, standard Linux distribution with the launch of SLES 9 SP1.  Besides full support of SGI Altix on SUSE Linux Enterprise Server, a standard and unmodified Red Hat Enterprise Linux was also fully supported starting with SGI Altix 3700 Bx2 with  RHEL 4 and RHEL 5 with system processor limits defined by Red Hat for those releases.   
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On 14 November 2005, SGI introduced the '''Altix 4000''' series based on the Itanium 2.<ref>[http://www.itjungle.com/breaking/bn111405-story02.html SGI Launches New Flagship Altix 4000 Platform], 2005 Nov 14</ref> SGI later officially supported 1024-processors systems on an unmodified, standard Linux distribution with the launch of  SLES 10<ref>[http://developer.novell.com/yes/84529.htm Novell/SuSE: SGI® Altix® 4700 YES Certified], 2006 Jul 16</ref> in July 2006.  SGI Altix 4700 was also officially supported by Red Hat with  RHEL 4 and  RHEL 5<ref>[https://access.redhat.com/ecosystem/hardware/923053 RedHat Customer Portal - SGI Altix 4700 Certifications]</ref>&mdash;maximum processor limits were as defined by Red Hat for its RHEL releases.
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On 14 November 2005, SGI introduced the '''Altix 4000''' series based on the Itanium 2. SGI later officially supported 1024-processors systems on an unmodified, standard Linux distribution with the launch of  SLES 10 in July 2006.  SGI Altix 4700 was also officially supported by Red Hat with  RHEL 4 and  RHEL 5&mdash;maximum processor limits were as defined by Red Hat for its RHEL releases.
    
The Altix brand has been also used for a variety of systems based on multi-core Intel Xeon processors. These includes the '''Altix XE''' rackmount servers, '''Altix ICE''' blade servers and '''Altix UV''' supercomputers.
 
The Altix brand has been also used for a variety of systems based on multi-core Intel Xeon processors. These includes the '''Altix XE''' rackmount servers, '''Altix ICE''' blade servers and '''Altix UV''' supercomputers.
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=== Altix 4700 ===
 
=== Altix 4700 ===
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The [[Altix 4700]] was announced in November 2005<ref>[http://www.itjungle.com/tlb/tlb111505-story02.html SGI Previews Next-Generation, Blade-Style Altix Supers], 2005 Nov 15</ref> as the first member of the '''Altix 4000''' family. It was introduced with blades using the single-core Itanium2 "Madison" CPUs, with promises that it would support the dual-core "Montecito" and "Montvale" processors that Intel would deliver at a later date. Maximum configuration would initially be 512 sockets per single system image, with some sources reporting 2,048 sockets in later shipments and a theoretical maximum of 8,192. Maximum memory was 128TB, ultimately expandable to 192TB using 16GB DIMMs in single-socket compute/memory blades. Peak performance in a single 42U rack was expected to approach 1 teraflop using dual-core CPUs.
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The [[Altix 4700]] was announced in November 2005 as the first member of the '''Altix 4000''' family. It was introduced with blades using the single-core Itanium2 "Madison" CPUs, with promises that it would support the dual-core "Montecito" and "Montvale" processors that Intel would deliver at a later date. Maximum configuration would initially be 512 sockets per single system image, with some sources reporting 2,048 sockets in later shipments and a theoretical maximum of 8,192. Maximum memory was 128TB, ultimately expandable to 192TB using 16GB DIMMs in single-socket compute/memory blades. Peak performance in a single 42U rack was expected to approach 1 teraflop using dual-core CPUs.
    
=== Altix 450 ===
 
=== Altix 450 ===
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On June 26, 2006<ref>[http://www.prnewswire.com/news-releases/sgi-launches-new-mid-range-altix-450-servers-and-doubles-performance-of-altix-4700-blades-56755737.html SGI Launches New Mid-Range Altix 450 Servers], 2006 Jun 26</ref> SGI announced the [[Altix 450]]. Featuring the dual core Itanium2 "Montecito" processors, the [[Altix 450]] can deliver up to 2.5 times the performance of the previous generation [[Altix 350]] system. Up to 4 IRUs can be linked through their built-in [[NUMAlink]] routers, yielding a single system image with a maximum 38 sockets (76 cores) and 608GB of memory. Two of these configurations can be packaged in one full-height 42U cabinet, and could be clustered together.
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On June 26, 2006 SGI announced the [[Altix 450]]. Featuring the dual core Itanium2 "Montecito" processors, the [[Altix 450]] can deliver up to 2.5 times the performance of the previous generation [[Altix 350]] system. Up to 4 IRUs can be linked through their built-in [[NUMAlink]] routers, yielding a single system image with a maximum 38 sockets (76 cores) and 608GB of memory. Two of these configurations can be packaged in one full-height 42U cabinet, and could be clustered together.
    
== Altix XE ==
 
== Altix XE ==
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* '''Altix XE250''' server which uses the Super Micro X7DWN+ motherboard.
 
* '''Altix XE250''' server which uses the Super Micro X7DWN+ motherboard.
 
* '''Altix XE270''' server is a 2U configuration with Intel Xeon processor 5500 series, Choice of up to 18 DDR3 DIMMs (2GB, 4GB, or 8GB DIMMs), 2 x PCIe x8 gen 2 (low profile), 1 x PCIe x4 gen 1 (low profile), 2 x PCI-x 133/100 (low profile) PCI slots, Eight SATA or SAS drive bays with optional hardware RAID (0, 1, 5, 6, 10). Uses the Super Micro X8DTH-6F motherboard.
 
* '''Altix XE270''' server is a 2U configuration with Intel Xeon processor 5500 series, Choice of up to 18 DDR3 DIMMs (2GB, 4GB, or 8GB DIMMs), 2 x PCIe x8 gen 2 (low profile), 1 x PCIe x4 gen 1 (low profile), 2 x PCI-x 133/100 (low profile) PCI slots, Eight SATA or SAS drive bays with optional hardware RAID (0, 1, 5, 6, 10). Uses the Super Micro X8DTH-6F motherboard.
* '''Altix XE310''' server was introduced January 8, 2007<ref name="altix-xe310">{{cite web|url=http://www.sgi.com/company_info/newsroom/press_releases/2007/january/altix_xe.html|title=SGI Delivers Blistering Performance, Leading Density in Altix XE310 and Altix XE1300 Cluster Featuring New 'Atoka-V' Board|date=2007-1-8|publisher=Silicon Graphics Inc.|accessdate=2009-11-18}}</ref> and contained two "Atoka"<ref name="atoka">{{cite web|url=http://www.sgi.com/company_info/newsroom/press_releases/2006/november/altix_xe.html|title=SGI Unveils Altix XE1300 Ultra-Dense Cluster Built with New Quad Core Intel Xeon Processor 5300 Series|date=2006-11-14|publisher=Silicon Graphics Inc.|accessdate=2011-7-11}}</ref> nodes per XE310 (probably Super Micro X7DBT (w/o InfiniBand) and X7DBT-INF), up to four Dual or Quad-Core Intel Itanium Xeon processors, 5100 Series or 5300 series (two per node), 64GB DDR2 667&nbsp;MHz or 800&nbsp;MHz FBDIMM memory (32GB per node), 2 x PCIe x8 (1 per node) PCI slots, and Four SATA/SAS drive bays (two per node).
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* '''Altix XE310''' server was introduced January 8, 2007 and contained two "Atoka" nodes per XE310 (probably Super Micro X7DBT (w/o InfiniBand) and X7DBT-INF), up to four Dual or Quad-Core Intel Itanium Xeon processors, 5100 Series or 5300 series (two per node), 64GB DDR2 667&nbsp;MHz or 800&nbsp;MHz FBDIMM memory (32GB per node), 2 x PCIe x8 (1 per node) PCI slots, and Four SATA/SAS drive bays (two per node).
* '''Altix XE320''' server was introduced November 12, 2007<ref name="altix-xe250-xe320>{{cite web|url=http://www.sgi.com/company_info/newsroom/press_releases/2007/november/altix_xe.html|title=SGI Packs More Power in Altix XE Clusters|date=2007-11-12|publisher=Silicon Graphics Inc.}}</ref> and contained two Super Micro X7DWT-INF nodes. It contained up to four Xeon 5100, 5200, 5300 or 5400 CPUs and 64 GB memory.
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* '''Altix XE320''' server was introduced November 12, 2007 and contained two Super Micro X7DWT-INF nodes. It contained up to four Xeon 5100, 5200, 5300 or 5400 CPUs and 64 GB memory.
 
* '''Altix XE340''' server contains 2 compute nodes within a 1U configuration, Intel Xeon processor 5500 series, Choice of up to 12 DDR3 DIMMs per node (2GB, 4GB, or 8GB DIMMs), 2 x PCIe x16 (1 per node) - low profile PCI slot, and Four SATA drive bays (2 per node) with optional SAS and hardware RAID 0, 1. It uses the Super Micro X8DTT-IBQF (with InfiniBand) or X8DTT-F (without InfiniBand) nodeboards.
 
* '''Altix XE340''' server contains 2 compute nodes within a 1U configuration, Intel Xeon processor 5500 series, Choice of up to 12 DDR3 DIMMs per node (2GB, 4GB, or 8GB DIMMs), 2 x PCIe x16 (1 per node) - low profile PCI slot, and Four SATA drive bays (2 per node) with optional SAS and hardware RAID 0, 1. It uses the Super Micro X8DTT-IBQF (with InfiniBand) or X8DTT-F (without InfiniBand) nodeboards.
 
* '''Altix XE500''' server is a 3U configuration with Intel Xeon processor 5500 series, Choice of up to 18 DDR3 DIMMs (2GB, 4GB, or 8GB DIMMs), 2 x PCIe x16 gen2 (full height) and 4 x PCIe x8 gen2 (full height) PCI slots, and Eight SATA or SAS drives with optional hardware RAID (0, 1, 5, 6, 10). It uses the Super Micro X8DAH+ motherboard.
 
* '''Altix XE500''' server is a 3U configuration with Intel Xeon processor 5500 series, Choice of up to 18 DDR3 DIMMs (2GB, 4GB, or 8GB DIMMs), 2 x PCIe x16 gen2 (full height) and 4 x PCIe x8 gen2 (full height) PCI slots, and Eight SATA or SAS drives with optional hardware RAID (0, 1, 5, 6, 10). It uses the Super Micro X8DAH+ motherboard.
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== Altix ICE ==
 
== Altix ICE ==
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The '''Altix ICE''' blade platform is an Intel Xeon-based system featuring diskless compute blades and a Hierarchical Management Framework (HMF) for scalability, performance, and resiliency.  While the earlier Itanium-based Altix systems ran a single-system image (SSI) Linux kernel on 1024 processors or more using a standard SuSE Linux Enterprise Server (SLES) distribution, the Altix ICE's clustering capabilities uses standard SLES or Red Hat Enterprise Linux distributions. NASA's Pleiades<ref>{{cite web|url=http://www.nas.nasa.gov/Resources/Systems/pleiades.html|title=SGI ICE Pleiades supercomputer|publisher=NASA}}</ref> is currently the largest deployed Altix ICE consisting of 168 ICE 8200EX and ICE 8400EX racks<ref>{{cite web|url=http://www.nas.nasa.gov/Users/Documentation/Ice/hardware_pleiades.html|title=Pleiades Hardware|publisher=NASA}}</ref> with a total of 100,352 cores.
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The '''Altix ICE''' blade platform is an Intel Xeon-based system featuring diskless compute blades and a Hierarchical Management Framework (HMF) for scalability, performance, and resiliency.  While the earlier Itanium-based Altix systems ran a single-system image (SSI) Linux kernel on 1024 processors or more using a standard SuSE Linux Enterprise Server (SLES) distribution, the Altix ICE's clustering capabilities uses standard SLES or Red Hat Enterprise Linux distributions. NASA's Pleiades is currently the largest deployed Altix ICE consisting of 168 ICE 8200EX and ICE 8400EX racks with a total of 100,352 cores.
    
=== Altix ICE 8200 ===
 
=== Altix ICE 8200 ===
The system consists of 42U racks which hold up to 4 IRUs (individual rack units) which support up to 16 single-wide blades.<ref>{{cite web|url=http://techpubs.sgi.com/library/tpl/cgi-bin/summary.cgi?docnumber=007-4986-005&coll=hdwr&db=bks|title=SGI Altix ICE 8200 Series System Hardware User's Guide|publisher=Silicon Graphics Inc.}}</ref><ref>{{cite web|url=http://www.sgi.com/products/remarketed/servers/altix_ice_configs.html|title=SGI Altix ICE 8200 Configurations|publisher=Silicon Graphics Inc.}}</ref>
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The system consists of 42U racks which hold up to 4 IRUs (individual rack units) which support up to 16 single-wide blades.
    
Two IRU variants are available:
 
Two IRU variants are available:
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=== Altix ICE 8400 ===
 
=== Altix ICE 8400 ===
The system consists of 42U racks which hold up to 4 IRUs (individual rack units) which support up to 16 blades.<ref>{{cite web|url=http://techpubs.sgi.com/library/tpl/cgi-bin/summary.cgi?coll=hdwr&db=bks&docnumber=007-5635-002|title=SGI Altix ICE 8400 Series System Hardware User's Guide|publisher=Silicon Graphics Inc.}}</ref><ref>{{cite web|url=http://www.sgi.com/products/servers/altix/ice/8400.html|title=SGI Altix ICE 8400 Configurations|publisher=Silicon Graphics Inc.}}</ref>
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The system consists of 42U racks which hold up to 4 IRUs (individual rack units) which support up to 16 blades.
    
Two IRU variants are available:
 
Two IRU variants are available:
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== Altix UV 10 ==
 
== Altix UV 10 ==
The Altix UV 10 is a rebadged QSSC-S4R server <ref>{{Citation
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The Altix UV 10 is a rebadged QSSC-S4R server. Being a regular PC server, its only connection to the bigger Altix UVs is its marketing name.
| url = http://www.qsscit.com/en/01_product/02_detail.php?mid=27&sid=125&id=126&qs=50
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| title = QSSC-S4R}}</ref>. Being a regular PC server, its only connection to the bigger Altix UVs is its marketing name.
         
== Altix UV 100/1000 ==
 
== Altix UV 100/1000 ==
The Altix UV supercomputer architecture was announced in November 2009. Codenamed ''Ultraviolet'' during development, the Altix UV combines a development of the NUMAlink interconnect used in the Altix 4000 (NUMAlink 5) with quad-, six- or eight-core "Nehalem-EX" Intel Xeon 7500 processors or ten and eight-core "Westmere-EX" Xeon E7 processors. Altix UV systems run either SuSE Linux Enterprise Server or Red Hat Enterprise Linux, and scale from 32 to 2,048 cores with support for up to 16 Terabytes (TB) of shared memory in a single system image.<ref name="altix-uv-pr">{{cite web|url=http://www.sgi.com/company_info/newsroom/press_releases/2009/november/altix_uv.html|title=SGI Unveils Altix UV, the World's Fastest Supercomputer|date=2009-11-16|publisher=Silicon Graphics Inc.|accessdate=2009-11-18}}</ref>
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The Altix UV supercomputer architecture was announced in November 2009. Codenamed ''Ultraviolet'' during development, the Altix UV combines a development of the NUMAlink interconnect used in the Altix 4000 (NUMAlink 5) with quad-, six- or eight-core "Nehalem-EX" Intel Xeon 7500 processors or ten and eight-core "Westmere-EX" Xeon E7 processors. Altix UV systems run either SuSE Linux Enterprise Server or Red Hat Enterprise Linux, and scale from 32 to 2,048 cores with support for up to 16 Terabytes (TB) of shared memory in a single system image.
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The main component of the Altix UV 100/1000 servers is the IP93 nodeborad. One nodeboard contains 2 Intel Xeon 7500 series (Beckton) processors with four, six or eight cores or E7 series (Westmere-EX) with eight or ten cores, the Intel 7500 (Boxboro) chipset and the UV Hub which works with the CPU as a node controller.<ref>{{cite web|url=http://www.sgi.com/pdfs/4192.pdf|title=Technical Advances in the SGI Altix UV Architecture|publisher=Silicon Graphics Inc.}}</ref>
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The main component of the Altix UV 100/1000 servers is the IP93 nodeborad. One nodeboard contains 2 Intel Xeon 7500 series (Beckton) processors with four, six or eight cores or E7 series (Westmere-EX) with eight or ten cores, the Intel 7500 (Boxboro) chipset and the UV Hub which works with the CPU as a node controller.
    
UV Hub provides:
 
UV Hub provides:
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=== Altix UV 1000 ===
 
=== Altix UV 1000 ===
The system consists of 42U racks which hold up to 2 IRUs (individual rack units) which support up to 16 blades. Following blade variants are available:<ref>{{cite web|url=http://techpubs.sgi.com/library/tpl/cgi-bin/summary.cgi?coll=hdwr&db=bks&docnumber=007-5663-002|title=SGI Altix UV 1000 System User's Guide|publisher=Silicon Graphics Inc.}}</ref>
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The system consists of 42U racks which hold up to 2 IRUs (individual rack units) which support up to 16 blades. Following blade variants are available:
 
* Compute blade - provides 2 LGA 1567 sockets and up to 16 DIMMs.
 
* Compute blade - provides 2 LGA 1567 sockets and up to 16 DIMMs.
 
* BaseIO enabled compute blade - A compute blade with an I/O riser card.
 
* BaseIO enabled compute blade - A compute blade with an I/O riser card.
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The system scales as an SSI up to 256 CPUs (this is a Xeon limitation). Such configuration requires 4 racks and provides up to 2048 cores, 4096 threads (2560 cores /5120 threads with Westmere-EX) and 2048 DIMMs (up to 16 TB addressable by the Nehalem-EX). With the use of the Jolt technology 16384 nodeboards (32768 CPUs, 512 racks) can be connected together (NUMAlink node id limitation) to form a 262144 core machine with up to 8 PB memory (53-bit GRU limit).
 
The system scales as an SSI up to 256 CPUs (this is a Xeon limitation). Such configuration requires 4 racks and provides up to 2048 cores, 4096 threads (2560 cores /5120 threads with Westmere-EX) and 2048 DIMMs (up to 16 TB addressable by the Nehalem-EX). With the use of the Jolt technology 16384 nodeboards (32768 CPUs, 512 racks) can be connected together (NUMAlink node id limitation) to form a 262144 core machine with up to 8 PB memory (53-bit GRU limit).
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Supported operating systems and limitations: <ref>{{cite web|url=http://www.hpcwire.com/features/With-Windows-Support-SGI-Casts-Altix-UV-in-New-Light-119143124.html|title=With Windows Support, SGI Casts Altix UV in New Light|publisher=HPCwire}}</ref>
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Supported operating systems and limitations:  
 
* Windows Server 2008 / 2008 R2: 256 cores / 2 TB
 
* Windows Server 2008 / 2008 R2: 256 cores / 2 TB
* Red Hat Enterprise Linux 6: 128 cores / 2 TB<ref>{{cite web|url=https://hardware.redhat.com/show.cgi?id=645093|title=Certification – SGI Altix UV 100 |publisher=RedHat, Inc.}}</ref><ref>{{cite web|url=https://hardware.redhat.com/show.cgi?id=651969|title=Certification – SGI Altix UV 1000 |publisher=RedHat, Inc.}}</ref>
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* Red Hat Enterprise Linux 6: 128 cores / 2 TB
 
* SUSE Linux Enterprise Server 11: 16 TB
 
* SUSE Linux Enterprise Server 11: 16 TB
       
== UV 2000 ==
 
== UV 2000 ==
Hardware wise, the biggest change is the use of the lower end Xeon E5 4600 (Sandy Bridge-EP) or Xeon E5 4600v2 (Ivy Bridge-EP) CPUs (both Socket LGA2011), which acquired some E7 properties - they are scalable to more than 2 sockets. The maximum core number per SSI for the Sandy Bridge variant is lower than the UV 1000 - 2048 instead of 2560 (the biggest E5 is eight-core, the biggest E7 ten-core, they still don't support more than 256 sockets). There are sources reporting the use of Xeon E5-4650v2 CPUs <ref>{{cite|web=http://www.sgi.com/pdfs/4487.pdf|title=SGI Technology Guide for CD-adapco STAR-COM+ Analysts|publisher=SGI}}</ref> with 10 cores per CPU. Supported memory has quadrupled to 64TB (Sandby Bridge 46-bit addressing vs 44-bit addressing of Beckton/Westmere-EX). A new NUMAlink generation is used - NUMAlink 6, up to 6.7 Gb/s. Cluster limitations are the same as for UV 1000 - 16384 (NUMAlink node id limitation) nodeboards (32768 CPUs), can be connected together to form a 262144 core machine with up to 8 PB memory (53-bit GRU limit).<ref>{{cite web|url=http://techpubs.sgi.com/library/tpl/cgi-bin/summary.cgi?coll=hdwr&db=bks&docnumber=007-5832-001|title=SGI UV 2000 System User Guide |publisher=SGI}}</ref>
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Hardware wise, the biggest change is the use of the lower end Xeon E5 4600 (Sandy Bridge-EP) or Xeon E5 4600v2 (Ivy Bridge-EP) CPUs (both Socket LGA2011), which acquired some E7 properties - they are scalable to more than 2 sockets. The maximum core number per SSI for the Sandy Bridge variant is lower than the UV 1000 - 2048 instead of 2560 (the biggest E5 is eight-core, the biggest E7 ten-core, they still don't support more than 256 sockets). There are sources reporting the use of Xeon E5-4650v2 CPUs with 10 cores per CPU. Supported memory has quadrupled to 64TB (Sandby Bridge 46-bit addressing vs 44-bit addressing of Beckton/Westmere-EX). A new NUMAlink generation is used - NUMAlink 6, up to 6.7 Gb/s. Cluster limitations are the same as for UV 1000 - 16384 (NUMAlink node id limitation) nodeboards (32768 CPUs), can be connected together to form a 262144 core machine with up to 8 PB memory (53-bit GRU limit).
    
Two types of blades are available:
 
Two types of blades are available:
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== UV 300H ==
 
== UV 300H ==
The UV 300H is the UV for SAP HANA.<ref>{{cite web|url=http://www.sgi.com/solutions/sap_hana/|title=SAP HANA Solutions, SGI® UV™ for SAP HANA®|publisher=SGI}}</ref> This server uses 4 socket nodes connected via NUMAlink 7. Sockets are populated with Xeon E7 v2 (Ivy Bridge-EX, Socket LGA2011-1) CPUs with up to 15 cores each. The 300H is designed to scale to 32 sockets (480 cores) and 24 TB of RAM.
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The UV 300H is the UV for SAP HANA. This server uses 4 socket nodes connected via NUMAlink 7. Sockets are populated with Xeon E7 v2 (Ivy Bridge-EX, Socket LGA2011-1) CPUs with up to 15 cores each. The 300H is designed to scale to 32 sockets (480 cores) and 24 TB of RAM.
 
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==Notes and References==
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{{Reflist}}
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<references/>
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* Silicon Graphics, Inc. (12 June 2007). ''Altix 3000 Rackmount Owner's Guide''.
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* Silicon Graphics, Inc. (12 June 2007). ''SGI Altix 1330 Cluster Datasheet''.
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* Silicon Graphics, Inc. (12 June 2007). ''SGI Altix 330 Server Datasheet''.
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* Silicon Graphics, Inc. (12 June 2007). ''SGI Altix 350 Server Datasheet''.
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* Silicon Graphics, Inc. (12 June 2007). ''SGI Altix 3700 Bx2 Servers and Supercomputers Datasheet''.
       

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