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Old 13th November 2008
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DutchDaemon DutchDaemon is offline
Real Name: Ben
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Join Date: Jul 2008
Location: Rotterdam, The Netherlands
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ad0: 76319MB <WDC WD800JB-00JJC0 05.01C05> at ata0-master UDMA100

Code:
 /dev/ad0
        512             # sectorsize
        80026361856     # mediasize in bytes (75G)
        156301488       # mediasize in sectors
        155061          # Cylinders according to firmware.
        16              # Heads according to firmware.
        63              # Sectors according to firmware.
        ad:WD-WCAM9V946444      # Disk ident.

I/O command overhead:
        time to read 10MB block      0.185617 sec       =    0.009 msec/sector
        time to read 20480 sectors   2.065096 sec       =    0.101 msec/sector
        calculated command overhead                     =    0.092 msec/sector

Seek times:
        Full stroke:      250 iter in   5.380797 sec =   21.523 msec
        Half stroke:      250 iter in   3.830487 sec =   15.322 msec
        Quarter stroke:   500 iter in   6.384590 sec =   12.769 msec
        Short forward:    400 iter in   2.258881 sec =    5.647 msec
        Short backward:   400 iter in   2.426586 sec =    6.066 msec
        Seq outer:       2048 iter in   0.233361 sec =    0.114 msec
        Seq inner:       2048 iter in   0.234686 sec =    0.115 msec
Transfer rates:
        outside:       102400 kbytes in   1.800840 sec =    56862 kbytes/sec
        middle:        102400 kbytes in   1.951145 sec =    52482 kbytes/sec
        inside:        102400 kbytes in   3.060375 sec =    33460 kbytes/sec
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