Boot lockup

[Rick Stevens]

On Wed, 2006-09-06 at 21:21 -0500, Dan Hunter wrote:
> Absolutely excellent!
> She lives!
> I tried the rescue once and it could not or would not mount old drive under 
> /mnt/sysimage.
> I don't know why, but I was stuck with a read-only file system.

That's possible if you have a weird driver that rescue mode doesn't
know about or if the filesystem was badly corrupted.

> Whatever, it worked now.
> Thank you!

You're quite welcome, sir.  :-)

> 
> ----- Original Message ----- 
> From: "Rick Stevens" <rstevens at vitalstream.com>
> To: "Getting started with Red Hat Linux" <redhat-install-list at redhat.com>
> Sent: Wednesday, September 06, 2006 1:06 PM
> Subject: Re: Boot lockup
> 
> 
> > On Tue, 2006-09-05 at 23:16 -0500, Dan Hunter wrote:
> >> I have a PC with Fedora Core 5 on it.
> >> I boot from disk 1 ( hda )
> >> hda1 = /boot
> >> hda2 = /
> >> hda3 = swap
> >>
> >> I have two additional drives
> >> hdc1 = /mnt/raid
> >> hdc2 = /mnt/raid2
> >>
> >> hard drive number 3 crashed.
> >> When the drive crashed, the system rebooted.
> >> Or we lost power, crashing the system, and the drive failed.
> >> Either way, I have a dead drive and a system that refuses to boot
> >> without that drive.
> >>
> >> I have a replacement drive, ready to installed.
> >> But I can't get the machine to boot up.
> >> It gives an error when trying to mount /mnt/raid2
> >> I get the option of making changes, but / is a read-only file system.
> >> I can't change fstab.
> >>
> >> I tried putting a loading FC5 on a new disk and then mounting the old
> >> boot disk.
> >> But every time the PC boots, it winds up with the same mount error.
> >> I specified booting from Primary master, Primary slave, Secondary
> >> master, Secondary slave, normal, and drive C:.
> >> It starts out on the new boot drive and then, some how, winds up on
> >> the old boot drive and errors out.
> >>
> >> I tried hitting the "I" during the boot process.
> >>
> >> I don't know what to do next.
> >
> > The most correct thing is to boot in rescue mode off either CD #1, the
> > rescue CD or the DVD.  At the "boot:" prompt, enter "rescue" and press
> > ENTER.  When the system asks if you want the system disk mounted, select
> > "Yes".
> >
> > When the "#" prompt comes back, the root filesystem of the crashed
> > system will be mounted at /mnt/sysimage.  Edit "/mnt/sysimage/etc/fstab"
> > and comment out the lines referring to "/mnt/raid" and "/mnt/raid2" and
> > save the file.  At the command prompt, enter "exit" and the system will
> > pop out the CD/DVD and reboot.  The original system should come up
> > WITHOUT trying to mount the crashed disk.
> >
> > This is precisely the type of thing that rescue mode is meant to do.
> >
> > ----------------------------------------------------------------------
> > - Rick Stevens, Senior Systems Engineer     rstevens at vitalstream.com -
> > - VitalStream, Inc.                       http://www.vitalstream.com -
> > -                                                                    -
> > -    "Hello. My PID is Inigo Montoya.  You `kill -9'-ed my parent    -
> > -                     process.  Prepare to vi."                      -
> > ----------------------------------------------------------------------
> >
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> 
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----------------------------------------------------------------------
- Rick Stevens, Senior Systems Engineer     rstevens at vitalstream.com -
- VitalStream, Inc.                       http://www.vitalstream.com -
-                                                                    -
-  BASIC is the Computer Science version of `Scientific Creationism' -
----------------------------------------------------------------------