Re: CDROM with raid.

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Date: Mon, 15 Nov 2004 19:04:38 -0500

<don_pettengill@spamgilent.com> wrote in message
news:1100555335.122945@emperor.labs.agilent.com...
> Tom <tombro@usa.net> wrote:
> : Good Folks,
>
> : Not sure if this is the correct location for this question, so please
> : forgive me if I'm wrong.
>
> : I am setting up a Linux server with raid1.
> : To do this, I will put a 200G drive as master on each IDE controller. So
> far
> : so good!
>
> : How do I get a bootable CDROM connected.
> : I understand performance will be degraded if I use both channels of the
> : controllers.(for an IDE CDROM)
>
> : If I get a scsi card, I can connect a scsi CDROM, maybe a tape drive or
> ZIP.
>
> : But will I be able to boot off of the CDROM as needed (eg: loading FC3).
>
> : Thanks for your advice. Tom
>
> A number of solutions:
>
> * Can you boot off USB? Some MB can. If so, put your CD drive in a USB
> enclosure. Nice thing is you can take it away and use it somewhere
> else, when it's not needed.
>
> * Get a cheap PCI IDE controller and put the CDROM on it.
>
> I tried this. Didn't work all that well - didn't always boot; the
> BIOS with the card were not very compatible with my other HW. This
> could work in your setup, though. Make sure you can return the card
> if not, just in case. It's getting hard to find nice IDE cards
> these days - everyone is moving to SATA (see below).
>
> * Get SATA to IDE adapters for your drives. Get SATA card, or use
> on-board SATA, then to run your disk drives. Now your IDE ports are
> free for the CD. This is what I have done and it works great (highpoint
> SATA-IDE adapters, $25 or so each). Side benefit, no more IDE cabling
> problems (-> disk errors - the SATA->IDE converter has very nice output
> and the disks love it :-)) Second benefit, my MB can boot off anything
> connected (I use the previously unused SATA ports).
>
> * You could get SCSI. I don't know how easy it would be to boot off
> SCSI CDROM with IDE hard disks connected. Never tried. I do know it's
> a @%%#!! pain to boot off a SCSI hard drive with IDE drives connected.
> I gave up on that one, eventually ...
>
> You are right, you don't want the CD on a disk connection. Bad idea.
> If USB boot isn't possible you will have to add a card (or use other
> available ports or etc) to get more IDE ports one way or another. Avoid
> SCSI if possible - very expensive unless you get old stuff on e-bay.
>
>
> Don Pettengill
> Agilent Laboratories

Thanks Everyone -

That's a lot to try. But I will try everything.
Though I can't - powerdown attach CD, boot, power down remove CD and
re-boot.
How would I load FC3 that way?

If I only use the CD to load software, maybe having it as a slave won't slow
things down too much.

Thanks again, Tom
What if the Hokey Pokey really is what it's all about!

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