Hardware
There are twenty nodes. Nineteen are 2U and one is 1U. All nodes are dual Opteron 250 systems and include:
CPU:
Motherboard:
Memory:
Storage:
Video:
Network:
Two AMD Opteron 250 CPUs
Tyan S2882G3NR-D
4096MB PC3200 DDR400 SDRAM, Registered ECC, 4 DIMMs
Seagate 200GB SATA drive, 7200RPM
ATI Rage XL
Built-in two Gigabit network cards
One head node contains two 1TB Samsung F1 disks in RAID 1, and two 1TB Hitachi disks also in RAID 1. The same node also contains an ATI Radeon X300 graphics card with 128MB memory. A second head node contains two Seagate 200GB SATA drives to form a RAID 1 configuration.
The internal network is constructed using HP ProCurve Switch 2824 24 port Managed Gigabit Switch, with less than 5.4 microsecond latency. The system is housed in a 41U Rackframe.
UPGRADES
DATE
09/14/2009
09/04/2009
03/01/2009
02/02/2008
ACTION
Two 1TB Hitachi drives were removed from LaCie enclosure and installed internally, because the power supply of the enclosure was giving trouble.
Two 1TB disks were installed and put into RAID 1. The disks are SAMSUNG F1 RAID Class HE103UJ 1TB 7200 RPM 32MB Cache SATA 3.0Gb/s 3.5".
Replaced power supply on swt101 with Supermicro PWS-401-2H 2U 400W.
A FireWire interface card has been installed on one of the nodes, and an external 1TB LaCie drive has been attached.
