recover from a bad F16 install

[Pete Travis]

On Mar 17, 2012 11:37 PM, "T.C. Hollingsworth" <tchollingsworth at gmail.com>
wrote:
>
> On Sat, Mar 17, 2012 at 10:03 PM, Paul Allen Newell <pnewell at cs.cmu.edu>
wrote:
> > On 3/17/2012 9:52 PM, Ed Greshko wrote:
> >> On 03/18/2012 12:49 PM, Paul Allen Newell wrote:
> >>>
> >>> Though I appreciate the suggestion, I can't get any further progress
once
> >>> I do the
> >>> install to hard drive option ... its does the same "No usable disks"
> >>> message (and
> >>> therefore no option to try anything).
> >>
> >> I don't think I ever suggested doing an install to hard drive....
> >>
> >> I was suggesting you check out the disk partitions using something like
> >> parted to see
> >> how things are set up.  Did you do that?
> >>
> >
> > Ed:
> >
> > Oh, I did misread you and I apologize. Since I had never used a Live
CD, I
> > jumped to the faulty conclusion that its install to hard disk was
different
> > than the installation DVD.
> >
> > PartedMagic was the one option I asked about in my original email and it
> > looks like that or the other two suggestions of sysresccd.org or fdisc
will
> > keep me busy tomorrow. I don't see parted when I did a which so I
figured it
> > was PartedMagic. I just tried as root on my working system and see it
(saved
> > myself an email about how I have to be root see it). As the memtest86 is
> > going to go for a long time, I was under the impression that the LiveCD
user
> > doesn't have "root" access to munge with the hard drives et al ... am I
> > mistaken?
>
> Odd, `parted` has been included on every Fedora LiveCD I've ever used.
>
> To get root on a LiveCD just open a terminal and run `su -`, no
> password required.
>
> > One good thing is I finally have a Live CD image that works. Every other
> > time I've tried to create one it has been a horrible failure.
> >
> > Paul
>
> -T.C.
> --
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Hey Paul,

I've had anaconda fail to recognize drives due to leftover fake raid
metadata, among other things. Try using dd to zero out the first few megs
of the drive, assuming you don't need the existing partition table, and see
if it helps.

`dd if=/dev/zero of=/dev/sdx bs=512 count=512`
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