Re: /etc/fstab OR harddrive crash
--- Pigeon <jah.pigeon@ukonline.co.uk> wrote:
> On Tue, Dec 03, 2002 at 11:17:43AM -0500, Narins,
> Josh wrote:
> > Dear Debian folk,
> > Important Question... If my hard drive crashed,
> and my machine boots
> > from the hard drive, how far in the boot process
> would it get?
>
> How long is a piece of string?
>
> > If I just messed up /etc/fstab (1), how can I fix
> it?
> > I've got some rescue disks, but NONE for any of
> my 2.4.x kernels.
> > They were all too big to fit on a floppy. They are
> for 2.2.x
>
> I recently managed to nuke my 2.4 system and booted
> it just fine from
> a 2.2 kernel floppy, made from the boot image on my
> Debian CD. I just
> ignore all the stuff about configuring the
> installation and go
> straight to "Execute a shell". I can then fsck
> /dev/hda4, mount
> /dev/hda4 /target and go into it and mess about.
> (Adjust dev
> appropriately for your system...)
>
> I can't, of course, use the boot floppy to make it
> boot from the HD.
>
> The boot floppy incorporates an editor "ae" with
> which you can fix
> /etc/fstab. Well, that's the theory. The version of
> "ae" on my boot
> floppy locks the system up if you try and run it.
> That's the slink
> one, you probably have a newer one which probably
> works. Try it out
> BEFORE you mount the HD otherwise you'll have to
> fsck it all over again.
>
> > After (IF?) this gets resolved, I'll have to
> learn to make a
> > bootable CD "rescue" disk. :)
>
> Even if you successfully resolve it without one? :-)
>
> > By the way, the boot goes for a while, obviously
> some modules are
> > being looked at, then I get a kernel panic, and
> the suggestion I pass root=
> > to tell it where to look for the hard drive.
>
> I don't think it's looking at any modules - how can
> it see them if it can't
> find the root? What messages does it give?
>
> > This happens with any of my kernels on the
> machine, or any of my
> > rescue disks.
>
> Is there a terminology confusion here? My "rescue
> disk" is a floppy
> made from resc1440.bin on my Debian CD. It boots -
> even if there are no
> hard drives in the machine at all - into a
> single-user mode whence you
> can either install Debian, or execute a shell in
> which to mount the
> hard drive and fix stuff. It doesn't try and look
> for anything on the
> hard drive while it's booting.
>
> > Thanks a ton, I'm really working hard to use
> Debian always. I love
> > the multiple-arches,
>
> I like viaducts too. Amazing to think they were all
> built by hand.
>
> > I love apt-get and dselect, but it ALWAYS seems
> like I
> > am having one trouble or the other :)
>
> Whereas in Windoze, either you can't fix the
> problems, or you can fix
> them but you have to do so time and again because
> the OS keeps
> re-breaking them.
>
> > (1) trying to swtich from /cdrom to /cdrom0 and
> /cdrom1, maybe I
> > accidentally edited the wrong line, also?
>
> Could be...
>
> Pigeon
>
>
> --
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