Upgrades ...
Western Digital Blue / WD6400AAKS 640GB
ad5: 610480MB <WDC WD6400AAKS-65A7B0 01.03B01> at ata2-slave SATA300
Code:
ad5
512 # sectorsize
640135028736 # mediasize in bytes (596G)
1250263728 # mediasize in sectors
1240341 # Cylinders according to firmware.
16 # Heads according to firmware.
63 # Sectors according to firmware.
ad:WD-WMASY4717993 # Disk ident.
I/O command overhead:
time to read 10MB block 0.109003 sec = 0.005 msec/sector
time to read 20480 sectors 2.518405 sec = 0.123 msec/sector
calculated command overhead = 0.116 msec/sector
Seek times:
Full stroke: 250 iter in 6.452317 sec = 25.809 msec
Half stroke: 250 iter in 4.548534 sec = 18.194 msec
Quarter stroke: 500 iter in 7.791786 sec = 15.584 msec
Short forward: 400 iter in 1.489479 sec = 3.724 msec
Short backward: 400 iter in 1.896791 sec = 4.742 msec
Seq outer: 2048 iter in 0.303669 sec = 0.148 msec
Seq inner: 2048 iter in 0.294785 sec = 0.144 msec
Transfer rates:
outside: 102400 kbytes in 0.997335 sec = 102674 kbytes/sec
middle: 102400 kbytes in 0.984513 sec = 104011 kbytes/sec
inside: 102400 kbytes in 1.843912 sec = 55534 kbytes/sec