The machine consists of:

• One user gateway (Panopticon)
• Four compile nodes (Fawlty, Fawlty2, Makalu and Bender)
• One server for system functions and scheduling (Echelon01)
• One backup server for system functions (Echelon02)
• 256 Apple XServe G5 nodes that run either Linux or Mac OSX depending on queue demand
• 20 x86_64 (AMD Opteron) nodes that run Linux
• One The SGI Altix 3700 BX2 with 64 Itanium2 processors
• SGI Infinite Storage RAID NAS
• Ethernet and Myrinet networks

Echelon01 provides system services,
Echelon02 provides redundancy

Functions

• Standard network services: dhcp, name service, authentication
• Queues: scheduler and server
• NOTP: node provisioning (OS selection)

Hardware

• Echelon01
• Apple XServe G5
• Dual 2.3GHz G5 Processors
• 4 GB ECC SDRAM
• Gigabit Ethernet
• 1U Rackmount chassis
• Echelon02
• Microway custom build
• Dual 1.0GHz PIII Processors
• 1 GB SDRAM
• Gigabit Ethernet

Software

• Gentoo Linux 2009.0
• dhcp3,bind9,ldap

Fawlty is the Linux PPC-64 compile node.

• Compile code for Linux PPC-64
• Submit jobs to queue
• Edit user files

Hardware

• Apple XServe G5
• Dual 2.3GHz G5 Processors
• 4 GB DDR400 ECC SDRAM 8x512
• Gigabit Ethernet
• 1U Rackmount chassis

Software

• Gentoo Linux 64 bit
• Gnu Compiler suite (gcc 4.1.1, gfortran 4.1.1)
• Linux 2.6.16 kernel

Bender is the OS-X compile node.

Function:

• Compile code for OS-X
• Submit jobs to queue
• Edit user files

Hardware:

• Apple XServe G5
• Dual Power PC 2.3Ghz G5 processor
• 4 GB DDR400 ECC SDRAM 8x512
• 240 GB hot-pluggable Serial ATA
• 1U Rackmount chassis

Software:

• OS X Tiger 10.4.6
• Darwin 8.6.0
• IBM XLC and XLF compilers
• gnu C compilers

Makalu is the Linux x86-64 compile node.

• Compile code for Linux x86-64 (Opteron)
• Submit jobs to queue
• Edit user files

Hardware

• Advanced Clustering custom build
• Dual AMD Opteron(tm) Processor 250
• 4 GB RAM
• Gig Ethernet
• 4U chassis

Software

• Gentoo 2009.0
• Gnu Compiler suite (gcc 4.3.2, gfortran )
• Linux 2.6.25 kernel

204 of the PPC-64 nodes are connected by a Myrinet 2000 optical network.

http://www.myri.com/

These are the PPC compute nodes:

Hardware

• Apple XServe G5
• Dual 2.0GHz G5 Processors
• 2 GB DDR400 ECC SDRAM 8x512
• Gigabit Ethernet
• 1U Rackmount chassis

Software

• Gentoo Linux 64 bit 2008.0
• Gentoo Linux 64 bit 2009.0
• Debian Linux multilib bit lenny
• OS-X
• The nodes automatically boot into the correct OS on user-queue demand

These are the 20 x86-64 nodes.

Hardware

• Advanced Clustering custom build
• Dual x86_64 AMD Opteron(tm) Processor 246
• 1 GB SDRAM
• Gigabit Ethernet
• Midtower chassis

Available OS Images:

• Gentoo 2009.0 Linux 2.6.25 kernel
• Fedora 9 Linux 2.6.25 kernel

The SGI Altix 3700 BX2

Hardware

• 64 Intel IA-64 Itanium 2 1.6 GHz Processors
• 256 GB SDRAM
• 10 Gigabit Ethernet

Software

• SuSE Linux 10.2
• 2.6.16 kernel

User files are stored on an SGI Infinite Store 4000

• 4 1.6GHz Dual-Core Intel Itanium 2 9030 Processors
• 48 GB SDRAM
• 10 Gigabit Ethernet
• 99TB user storage

Software

• SLES 10.2 Linux
• Linux 2.6.16 kernel

• Core: HP Procurve 5412zl with 10G module for the Altix and SGI fileserver
• Edge switches: HP Procurve 2824
• All PPC and x86-64 compute nodes are connected 20 per edge switch

Panopticon is the user gateway. It has an automatic fail-over spare for redundancy.

Hardware

• Dual 2.0GHz Intel Xeon Processors
• 2 GB SDRAM
• Gigabit Ethernet
• 1U Rackmount chassis

Software

• Gentoo Linux

Nagios is used to monitor the health of the system.

• Monitors the batch queuing system
• Controls the fail-over of the user gateway (Panopticon)

Hardware

• Microway custom build
• Dual PIII Processors
• Gig Ethernet
• 4U chassis