vinum vs. DPT smartcacheIV raid

Peter C. Lai sirmoo at
Thu Feb 17 06:51:42 GMT 2005

On Thu, Feb 17, 2005 at 09:44:51AM +1030, Greg 'groggy' Lehey wrote:
> Recall that there are no real hardware RAID controllers on the
> market.  The difference is whether you have a special processor on the
> controller card or not.  To determine which is faster, you need to
> compare the hardware on the card and the hardware in the system.

If I understand the DPT manual correctly:
My cards have a motorola 68000-based cpu. The "faster" smartraid cards have
motorola 68020-based cpus as well as much larger cache. My card has a max
transaction rate of 20MHz. It sends 2bytes down the wire per clockcycle (SCSI
DDR? LOL) so it has a max througput of 40Mbps.

Peter C. Lai
University of Connecticut
Dept. of Molecular and Cell Biology
Yale University School of Medicine
SenseLab | Research Assistant

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