Re: Dumb question: Which is "better" SCSI or IDE disks? Fibre Channel

Don Holmgren (djholm@fndaub.fnal.gov)
Thu, 10 Dec 1998 11:14:22 -0600 (CST)


Agus Budy Wuysang wrote:

> Alan Cox wrote:
> >
> > > > If what was supported? UDMA is supported just fine.
> > >
> > > Fibre Channel adapter and/or drive...
> >
> > Talking of which and frantically heading back on topic - what is the current
> > status on the Qlogic fibrechannel cards ?
>
> They have at least 3 models, but there isn't any fibre
> channel adapter supported under Linux (including 2.1.x),
> is there?
>
> Well, I thought FDDI support was the worst :)

I've been using Qlogic's QLA2100 Fibre Channel card for a few months.
There's a driver for 2.1.x available from the University of New Hampshire
Interoperability Lab:

http://www.iol.unh.edu/consortiums/fc/fc_linux.html

It's a scsi driver, not in the drivers/fc4 area but in drivers/scsi.
So far I've had no problems, and performance is very good. One current
bug is that two Linux boxes on the same FC-AL (i.e., sharing disks via
a hub) argue about drive ID's and neither system can access the drives.

Don Holmgren
Fermilab

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