Re: Fake SCSI devices

From: Helge Hafting (helgehaf@idb.hist.no)
Date: Thu Mar 23 2000 - 06:55:27 EST


Florian Weimer wrote:
>
> Helge Hafting <helgehaf@idb.hist.no> writes:

> In fact, I want to avoid a similar solution: MIDI over SCSI. There are
> some MIDI samplers which can transmit samples over the SCSI bus using a
> special, somewhat proprietary protocol. Unfortunately, with at least one
> vendor, MIDI over SCSI transfers are much slower than direct disk access
> (20 K/sec vs. 200 K/sec or more). My idea is to provide a virtual hard
> disk on the SCSI bus which the sampler can access. I hope that with
> a virtual disk, proper (or almost proper) synchronization is easier to
> implement than with a real disk.

Faking a disk has been discussed before. I believe the purpose was to
use the linux box as a raid controller, providing big fast RAID for
machines with unknown os capable of doing scsi. You may want to find
and talk to those people.

Helge Hafting

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