Mylex SCSI Controller, 16550A UARTS
keithe at tekgvs.LABS.TEK.COM
Fri Oct 6 08:24:04 AEST 1989
In article <765 at crdos1.crd.ge.COM> davidsen at crdos1.UUCP (bill davidsen) writes:
>B) I measured the ballpark i/o of several machines by doing a dd of the
>raw device to /dev/null. Crude, but it shows about 600kb for my ESDI
>system, the same for my RLL system, about 500kb for a microvax 3500
>(Ultrix) and about 700 for a Convex C220.
Have you tried dd'ing _to_ the drive to see what it's write
rate is? We've found there to be an AMAZING (ly disappointing)
difference betwixt read & rite rates!
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