• High-performance computation

• Model: NEC Express5800/T120a-M
• CPU: Intel Xeon E5520 (2.26 GHz, 4-core) * 2
• RAM: 4Gb DDR3 1066MHz * 4
• HDD: 3.5” SAS 15k RPM 450 Gb * 4, 3.5” SATA 2 Tb * 4

• /dev/sda
  • RAID 5 (2 Tb * 4)
  • Mount at /
  • System partition
• /dev/sdb
  • RAID 0 (450 Gb * 4)
  • Mount at /scratch
  • High-performance I/O

sudo hdparm -tT /dev/sda
/dev/sda:
 Timing cached reads:   15028 MB in  2.00 seconds = 7521.59 MB/sec
 Timing buffered disk reads:  960 MB in  3.00 seconds = 319.78 MB/sec
 
$ sudo hdparm -tT /dev/sdb
/dev/sdb:
 Timing cached reads:   14352 MB in  2.00 seconds = 7182.41 MB/sec
 Timing buffered disk reads:  1660 MB in  3.00 seconds = 553.13 MB/sec

Oak