Aujourd'hui je vous présente un autre "petit" cluster qui est lui utilisé en astrophysique. Celui-ci est un cluster Beowulf basé sur une centaine de PC sous Linux qui permet d'avoir un ratio performance/prix très satisfaisant. Il permet d'étudier et de simuler la dynamique galactique.

2 master units SMP (n1, n2) with each:

2 processors Pentium III/500 MHz

1 motherboard: ASUS P2BDS

640 MB RAM memory (7ns)

1 hard disc: SCSI (80MB/s) of 8 GB

3 hard discs: EIDE (30MB/s) of 8 and 15 GB

3 Fast Ethernet Lantronix cards

1 graphic card Diamond V770 32MB

1 floppy drive: 3.5"

1 CDROM 40x

1 CDRW 8,2,20x (for m2) (Plextor)

1 color screen 19" Panasonic (0.25" pitch)

4 slave units (b01...b04) with each:

2 processors Pentium III/500 MHz

1 motherboard ASUS P2BD

1024 MB RAM memory (7ns)

2 hard discs EIDE (30MB/s) of 8 and 15 GB

1 floppy drive: 3.5"

1 graphic card 4MB

16 slave units (b05...b20) with each:

2 processors Pentium III/500 MHz

1 motherboard ASUS P2BD

384 MB RAM memory (7ns)

2 hard discs EIDE (30MB/s) of 8 and 15 GB

2 Fast Ethernet Lantronix cards

1 floppy drive 3.5"

1 graphic card 4MB

44 slave units (b21...b64) with each:

2 processors Pentium II/400 MHz

1 motherboard ASUS P2BD

256 MB RAM memory (7ns)

1 hard disc EIDE (30MB/s) de 8 GB

2 Fast Ethernet Lantronix cards

1 floppy drive 3.5"

1 graphic card 4MB

Communication among the units :

2 Fast Iron II switch of Foundry with 72 ports 100MB/s + 2 ports 1GB/s.

2 100MB/s Fast Ethernet network (channel bonding)