Making a spare boot up floppy
Barry Yu
barryyupuilee at sbcglobal.net
Mon Mar 29 11:41:42 UTC 2004
Jeff Vian wrote:
>
>
> Homer Sapions wrote:
>
>> I agree - there is nothing much to beat a CD booted to rescue mode. I
>> have used them many times in various flavors of RedHat 7.1, 7.3,
>> Advanced Server 2.1 and 3, and always succeeded in repairing
>> problems. Usually stupid ones, like figuring out what files to look
>> out for when restoring a server rebuilt for a DR test - specifically
>> files like fstab, network configs, raidtab, modules.conf, lilo.conf
>> and grub.conf, and of course the one guaranteed to be a problem if
>> you try to restore/copy or in any way overwrite it -
>> /lib/i686/libc-xxx.so. Try overwriting libc sometime and watch the
>> fun - it's sure to end up making it into a zero byte file and panic
>> the kernel, and make the system unbootable.
>>
> I agree on the utility of booting from CD. However, the OP had asked
> what he did wrong in trying to make the bootable floppy. :-)
>
>
> It never hurts ot answer the question that was asked. :-)
>
>>
>>> From: Ben Steeves <bcs at metacon.ca>
>>> Reply-To: bcs at metacon.ca,For users of Fedora Core releases
>>> <fedora-list at redhat.com>
>>> To: For users of Fedora Core releases <fedora-list at redhat.com>
>>> Subject: Re: Making a spare boot up floppy
>>> Date: Sun, 28 Mar 2004 22:03:52 -0400
>>>
>>> On Sun, 2004-03-28 at 18:42, Jeff Vian wrote:
>>> > The easiest way to make a usable (and bootable) image of a boot
>>> floppy
>>> > is with dd.
>>> > Use "dd if=/dev/fd0 of=boot.img bs=512 count=2440" to create the file
>>> > boot.img that is an exact copy of the floppy.
>>> >
>>> > That will create a bootable image of the floppy that then can be put
>>> > back onto another floppy using rawrite from dos/windows, or dd on
>>> linux.
>>>
>>> Of course... for rescuing a failed/broken Fedora installation, the
>>> CD is
>>> actually quite good. It holds a lot more handy software than a boot
>>> floppy. I consider floppies to be 'single use' devices... at least for
>>> critical uses. After being burned (badly) by some "rescue" disks that
>>> couldn't several years back, I have never depended on them again. CDs
>>> all the way!
>>>
>>> > Barry Yu wrote:
>>>
>>> > >I want copy all contents in the bootable floppy into my data
>>> storage partition, and copy them back into a blank floppy in case I
>>> need - I had bad experience in open a blend new box of floppy and 3
>>> consecutive floppy even not workable at all! I must prepare if the
>>> current boot floppy one day is gone. Moreever, I really want to know
>>> above copy process what have I missed that caused the new floppy not
>>> bootable even with correct contents in it (At least I can't see what
>>> I had missed).
>>> > >Thanks for helping.
>>>
>>> --
>>> Ben Steeves _ bcs at metacon.ca
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>>>
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>>
>>
>>
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>>
>
>
Exactly, what I wanted to know is ; Why I can't copy the contents of a
bootable floppy? Because after I have copeid I copared both floppies
(The original and the new copy) I obviously found nothing wrong but the
new floppy just won't work, that is what I want to find out.
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