expected system requirements for next patch:
CPU 64-bit AMD Opteron series 2000 processors; up to 192 per cabinet
Cache (Quad Core) 64k L1 instruction cache64k L1 data cache, 512KB L2 cache per processor core, 2MB shared L3 cache
FLOPS 7 Teraflops per cabinet
Main Memory 4-32 GB Registered ECC DDR2 SDRAM per compute node
Memory Bandwidth 21.2 to 25.6 GB/sec per compute node
Interconnect 1 Cray SeaStar2 + routing and communication ASIC per compute node
6 switch ports per Cray SeaStar2+ chip, 9.6 GB/s each
(57.6 GB/s switching capacity per Cray SeaStar2+ Chip)
3-dimensional Torus interconnect
External I/O Interface Gigabit Ethernet
10 Gigabit Ethernet
Fibre Channel (FC)
InfiniBand (future)
Disk Storage Full line of FC-attached disk arrays with support for FC and SATA disk drives
File System Lustre file system
System Administration Cray System Management Workstation (SMW)
Graphical and command line system administration
Single-system view for system administration
PBS Pro job management system
System software rollback capability
Reliability Features (Hardware) Cray RAS and Management Subsystem (CRMS) with independent 100 Mb/s management fabric between all system blades and cabinet-level controllers
More than 50 measurement points monitored per Cray XT5 system blade
Full Chipkill and ECC memory protection from memory to system registers
Full ECC protection in the Cray SeaStar2+ chip
Redundant power supplies
Redundant voltage regulator modules (VRMs)
Redundant paths to all system RAID
Variable-speed axial turbofan with integrated pressure and temperature sensors
Reliability Features (Software) Simple, lightweight, Linux-based software design
CRMS system monitors operation of all operating system kernels
Lustre file system object storage target failover; Lustre metadata server failover
Software failover for critical system services including system database, system logger, and batch subsystems.
Power 32 - 42.7 kW (32l7 - 43.6 kVA) per cabinet, depending on configuration. Circuit requirements: 80 AMP at 400/480 VAC (3 phase & ground)
Cooling Requirements Air cooled, air flow: 3000 cfm (1.41 m3/s); intake: bottom; exhaust: top
Dimensions (Cabinet) H 80.50 in. (2045 mm) x W 22.50 in. (572 mm) x D 56.75 in. (1441 mm)
Weight (Max) 1529 lbs per cabinet (694 kg)
Acoustical Noise Level 75 dba at 3.3 ft (1.0 m)
Regulatory Compliance UL 60950-1, CAN/CSA - C 22.2 No. 60950-1, CB Scheme Investigation to IEC/EN 60950-1, RoHS, WEEE
Safety FCC Class A, DOC Class A, VCCI Class, CISPR 22, EN 50022 Class A, AS/NZS 3548, EN 50082-1, EN 61000-3-2, EN 61000-3-3, Statskontoret 26.2 Category 1