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  Author  Subject: Re: Installing Linux with RAID

Posted on 08-29-2002 08:20 p.m. ET  reply

Original Poster: Jym Williams Zavada

>So I try to load a driver I got from the Promise (RAID) site that is for Red
>Hat. Unfortunately, Mandrake won't see the disk. It is looking for FD0 and
>I don't have one! I figured that the LS-120 would configure as FD0.

>Redhat install does the same thing.

You figured wrong. An LS-120 is an IDE device and uses the IDE interface, and
is treated as such by Linux. Standard floppy drives use a completely
different interface. Linux device names for IDE devices are /dev/hd[a-z]*,
whereas floppy device names are /dev/fd*.

>So as I see it I need to install a floppy and try to load the RAID driver.
>Or figure out how to access the LS-120 during the install. I see messages

Correct. You'll need to install a floppy drive. Don't bother trying to
access the LS-120 during the install, RedHat (and probably Mandrake) looks for
a floppy drive to load extra driver diskettes, and an LS-120 is considered an
IDE device under Linux.

I have a system that used to have an LS-120 drive and no floppy, but after
doing a great deal of research, I determined that LS-120 drives are not worth
the hassle. Although they read and write to floppies, they do not use the
floppy interface, and cause more problems than they solve. Unless you want to
invest the time and energy into creating your own custom installation software
for Redhat or Mandrake, you should install a traditional floppy drive. And if
you really want larger-than-floppy storage in a shirt-pocket sized format,
you'll be much better off using ZIP drives/diskettes. However, if you know
that all the systems involved have a USB port available and are running recent
versions of Linux, I recommend investing in a portable USB hard drive. I've
been using one for a couple of months now, and it beats the pants off of ZIP
drives (which I'd been using for the last year or two).

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